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MITRE ATT&CK® Technique

T1490: Inhibit System Recovery

Adversaries may delete or remove built-in data and turn off services designed to aid in the recovery of a corrupted system to prevent recovery.[1][2] This may deny access to available backups and recovery options.

Operating systems may contain features that can help fix corrupted systems, such as a backup catalog, volume shadow copies, and automatic repair features. Adversaries may disable or delete system recovery features to augment the effects of Data Destruction and Data Encrypted for Impact.[1][2] Furthermore, adversaries may disable recovery notifications, then corrupt backups.[3]

A number of native Windows utilities have been used by adversaries to disable or delete system recovery features:

* vssadmin.exe can be used to delete all volume shadow copies on a system - vssadmin.exe delete shadows /all /quiet * Windows Management Instrumentation can be used to delete volume shadow copies - wmic shadowcopy delete * wbadmin.exe can be used to delete the Windows Backup Catalog - wbadmin.exe delete catalog -quiet * bcdedit.exe can be used to disable automatic Windows recovery features by modifying boot configuration data - bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no * REAgentC.exe can be used to disable Windows Recovery Environment (WinRE) repair/recovery options of an infected system * diskshadow.exe can be used to delete all volume shadow copies on a system - diskshadow delete shadows all [4] [5]

On network devices, adversaries may leverage Disk Wipe to delete backup firmware images and reformat the file system, then System Shutdown/Reboot to reload the device. Together this activity may leave network devices completely inoperable and inhibit recovery operations.

On ESXi servers, adversaries may delete or encrypt snapshots of virtual machines to support Data Encrypted for Impact, preventing them from being leveraged as backups (e.g., via ` vim-cmd vmsvc/snapshot.removeall`).[6]

Adversaries may also delete “online” backups that are connected to their network – whether via network storage media or through folders that sync to cloud services.[7] In cloud environments, adversaries may disable versioning and backup policies and delete snapshots, database backups, machine images, and prior versions of objects designed to be used in disaster recovery scenarios.[8][9]

EnterpriseT1490TechniqueObject v1.6Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceHigh

Inhibit System Recovery is the behavior that makes a destructive or ransomware incident harder to recover from. Instead of only damaging or encrypting systems, an adversary may remove recovery points, disable repair features, delete snapshots, corrupt backups, or tamper with cloud and network-device recovery options. For leaders, the key issue is not just prevention; it is whether the organization can still restore critical services when the attacker has targeted the recovery path itself.

Executive priority

Treat T1490 as a resilience and incident-readiness priority. It directly affects recovery time, backup assurance, ransomware decision-making, and audit evidence for disaster recovery controls. Executives should ask whether backups, snapshots, versioning, and recovery notifications are protected by separate privileges, monitored, and regularly restore-tested across Windows, Linux/macOS where applicable, ESXi, IaaS, network devices, containers, and online backup locations. This technique is associated in ATT&CK with destructive and ransomware activity, including multiple ransomware software entries and groups, so it should influence business continuity planning and control prioritization even though local exposure must be validated.

Technical view

ATT&CK places this technique in the Impact tactic and lists platforms including Containers, ESXi, IaaS, Linux, macOS, Network Devices, and Windows. The official description highlights Windows recovery utilities, ESXi snapshot removal, cloud backup/versioning/snapshot deletion, online backup deletion, network-device firmware/file-system destruction, and recovery notification tampering. SOC and IR teams should validate behavioral coverage for unusual recovery-control changes, especially when followed by or correlated with Data Destruction, Data Encrypted for Impact, Disk Wipe, or System Shutdown/Reboot. The relationship to DET0329 indicates a behavioral detection strategy exists, but the ATT&CK object itself provides no official detection text, so detection engineering should be based on local telemetry and change-control context.

Likely telemetry

  • Windows process creation and command-line telemetry for recovery and backup utilities such as vssadmin.exe, wmic, wbadmin.exe, bcdedit.exe, REAgentC.exe, and diskshadow.exe
  • Windows event logs and configuration-change records related to shadow copies, backup catalogs, boot recovery settings, WinRE, services, and scheduled backup jobs
  • Backup platform logs showing deletion, policy changes, catalog changes, failed notifications, or restore-point removal
  • ESXi or virtualization management task logs for virtual machine snapshot deletion or modification
  • Cloud audit logs for changes to versioning, backup policies, snapshots, database backups, machine images, and object versions

Detection direction

  • Validate DET0329-style behavioral detection for recovery inhibition rather than relying only on malware signatures.
  • Alert on rare or unauthorized use of native recovery and backup administration utilities, with command-line and parent-process context where available.
  • Correlate recovery tampering with encryption, data destruction, disk wipe, or reboot activity to distinguish high-severity impact operations from routine administration.
  • Tune detections against approved backup maintenance windows, imaging workflows, disaster-recovery testing, and administrator activity to reduce false positives.
  • Review blind spots in cloud, ESXi, network devices, NAS, and online backup systems; endpoint EDR alone may not see recovery deletion in those control planes.

Mitigation priorities

  • Prioritize M1053 Data Backup: maintain secure, isolated backups and regularly test restoration of critical services, not just file recovery.
  • Apply M1018 User Account Management: restrict and review privileges that can delete backups, disable versioning, remove snapshots, or change recovery policy.
  • Apply M1028 Operating System Configuration: harden recovery settings and backup configurations so recovery features cannot be casually disabled or removed.
  • Apply M1038 Execution Prevention: limit unauthorized execution of scripts, tools, and binaries used to tamper with recovery capabilities.
  • Separate administrative roles for production, backup, virtualization, cloud, and network-device recovery where feasible, and monitor changes to those roles.
Additional notes and limits

The relationship context shows this technique is used by several ATT&CK groups, campaigns, and software entries, including destructive and ransomware-related examples such as Olympic Destroyer, WannaCry, Ryuk, Maze, REvil, BlackByte, Medusa Group, Storm-0501, and others. This supports treating recovery tampering as a common impact-pattern to plan for, but it does not prove current activity in any specific environment. The supplied mitigations are M1018, M1028, M1038, and M1053, with DET0329 as the related detection strategy.

The official ATT&CK detection field is not provided, so specific analytics must be developed from local logging, platform coverage, and administrative baselines. The object lists multiple platforms, but detailed examples are strongest for Windows, ESXi, IaaS/cloud, network devices, and online backups. No claim is made that any organization is exposed or that detection coverage exists without validation.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

Inhibit System Recovery

Adversaries may delete or remove built-in data and turn off services designed to aid in the recovery of a corrupted system to prevent recovery.[1][2] This may deny access to available backups and recovery options.

Operating systems may contain features that can help fix corrupted systems, such as a backup catalog, volume shadow copies, and automatic repair features. Adversaries may disable or delete system recovery features to augment the effects of Data Destruction and Data Encrypted for Impact.[1][2] Furthermore, adversaries may disable recovery notifications, then corrupt backups.[3]

A number of native Windows utilities have been used by adversaries to disable or delete system recovery features:

* vssadmin.exe can be used to delete all volume shadow copies on a system - vssadmin.exe delete shadows /all /quiet * Windows Management Instrumentation can be used to delete volume shadow copies - wmic shadowcopy delete * wbadmin.exe can be used to delete the Windows Backup Catalog - wbadmin.exe delete catalog -quiet * bcdedit.exe can be used to disable automatic Windows recovery features by modifying boot configuration data - bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no * REAgentC.exe can be used to disable Windows Recovery Environment (WinRE) repair/recovery options of an infected system * diskshadow.exe can be used to delete all volume shadow copies on a system - diskshadow delete shadows all [4] [5]

On network devices, adversaries may leverage Disk Wipe to delete backup firmware images and reformat the file system, then System Shutdown/Reboot to reload the device. Together this activity may leave network devices completely inoperable and inhibit recovery operations.

On ESXi servers, adversaries may delete or encrypt snapshots of virtual machines to support Data Encrypted for Impact, preventing them from being leveraged as backups (e.g., via ` vim-cmd vmsvc/snapshot.removeall`).[6]

Adversaries may also delete “online” backups that are connected to their network – whether via network storage media or through folders that sync to cloud services.[7] In cloud environments, adversaries may disable versioning and backup policies and delete snapshots, database backups, machine images, and prior versions of objects designed to be used in disaster recovery scenarios.[8][9]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

Associated objects

Groups, software, and campaigns

GroupEnterprise

G1051: Medusa Group

Medusa Group has been active since at least 2021 and was initially operated as a closed ransomware group before evolving into a Ransomware-as-a-Service (RaaS) operation. Some reporting indicates that certain attacks may still be conducted directly by the ransomware’s core developers. Public sources have also referred to the group as “Spearwing” or “Medusa Actors.” [1] [2] Medusa Group employs living-off-the-land techniques, frequently leveraging publicly available tools and common remote management software to conduct operations. The group engages in double extortion tactics, exfiltrating data prior to encryption and threatening to publish stolen information if ransom demands are not met. [3] For initial access, Medusa Group has exploited publicly known vulnerabilities, conducted phishing campaigns, and used credentials or access purchased from Initial Access Brokers (IABs). The group is opportunistic and has targeted a wide range of sectors globally. [4]

GroupEnterprise

G1053: Storm-0501

Storm-0501 is a financially motivated cyber criminal group that uses commodity and open-source tools to conduct ransomware operations. Storm-0501 has been active since 2021 and has previously been affiliated with Sabbath Ransomware and other Ransomware-as-a-Service (RaaS) variants such as Hive, BlackCat, Hunters International, LockBit 3.0, and Embargo ransomware.[1][2][3][4]

GroupEnterprise

G1055: VOID MANTICORE

VOID MANTICORE is a threat group assessed to operate on behalf of Iran’s Ministry of Intelligence and Security (MOIS).[1] Active since at least mid-2022, VOID MANTICORE has targeted government entities, critical infrastructure, and private sector organizations across Albania, Israel, and the United States.[1][2] VOID MANTICORE conducts destructive cyber operations, combining wiper attacks with hack-and-leak campaigns. The group has operated under multiple public-facing personas, including HomeLand Justice in operations against Albania, Karma and Karma Below in campaigns targeting Israeli organizations, and Handala Hack, its current primary persona, which has claimed activity against Israeli and U.S. entities, including a March 2026 attack against Stryker Corporation.[1][3] VOID MANTICORE has been observed collaborating with Scarred Manticore, which has been linked to initial access operations preceding VOID MANTICORE’s activity.[4]

GroupEnterprise

G0102: Wizard Spider

Wizard Spider is a Russia-based financially motivated threat group originally known for the creation and deployment of TrickBot since at least 2016. Wizard Spider possesses a diverse arsenal of tools and has conducted ransomware campaigns against a variety of organizations, ranging from major corporations to hospitals.[1][2][3]

GroupEnterprise

G1043: BlackByte

BlackByte is a ransomware threat actor operating since at least 2021. BlackByte is associated with several versions of ransomware also labeled BlackByte Ransomware. BlackByte ransomware operations initially used a common encryption key allowing for the development of a universal decryptor, but subsequent versions such as BlackByte 2.0 Ransomware use more robust encryption mechanisms. BlackByte is notable for operations targeting critical infrastructure entities among other targets across North America.[1][2][3][4][5]

GroupEnterprise

G1015: Scattered Spider

Scattered Spider is a native English-speaking cybercriminal group active since at least 2022. [1] [2] The group initially targeted customer relationship management (CRM) providers, business process outsourcing (BPO) firms, and telecommunications and technology companies before expanding in 2023 to gaming, hospitality, retail, managed service provider (MSP), manufacturing, and financial sectors. [2] Scattered Spider relies heavily on social engineering, including impersonating IT and help-desk staff, to gain initial access, bypass multi-factor authentication (MFA), and compromise enterprise networks. The group has adapted its tooling to evade endpoint detection and response (EDR) defenses and used ransomware for financial gain. [3] [4] [5] Scattered Spider had expanded into hybrid cloud and identity environments, using help-desk impersonation and MFA bypass to obtain administrator access in Okta, AWS, and Office 365. [6]

GroupEnterprise

G0034: Sandworm Team

Sandworm Team is a destructive threat group that has been attributed to Russia's General Staff Main Intelligence Directorate (GRU) Main Center for Special Technologies (GTsST) military unit 74455.[1][2] This group has been active since at least 2009.[3][4][5][6]

In October 2020, the US indicted six GRU Unit 74455 officers associated with Sandworm Team for the following cyber operations: the 2015 and 2016 attacks against Ukrainian electrical companies and government organizations, the 2017 worldwide NotPetya attack, targeting of the 2017 French presidential campaign, the 2018 Olympic Destroyer attack against the Winter Olympic Games, the 2018 operation against the Organisation for the Prohibition of Chemical Weapons, and attacks against the country of Georgia in 2018 and 2019.[1][2] Some of these were conducted with the assistance of GRU Unit 26165, which is also referred to as APT28.[7]

MalwareEnterprise

S1070: Black Basta

Black Basta is ransomware written in C++ that has been offered within the ransomware-as-a-service (RaaS) model since at least April 2022; there are variants that target Windows and VMWare ESXi servers. Black Basta operations have included the double extortion technique where in addition to demanding ransom for decrypting the files of targeted organizations the cyber actors also threaten to post sensitive information to a leak site if the ransom is not paid. Black Basta affiliates have targeted multiple high-value organizations, with the largest number of victims based in the U.S. Based on similarities in TTPs, leak sites, payment sites, and negotiation tactics, security researchers assess the Black Basta RaaS operators could include current or former members of the Conti group.[1][2][3][4][5][6]

WindowsESXi
MalwareEnterprise

S0260: InvisiMole

InvisiMole is a modular spyware program that has been used by the InvisiMole Group since at least 2013. InvisiMole has two backdoor modules called RC2FM and RC2CL that are used to perform post-exploitation activities. It has been discovered on compromised victims in the Ukraine and Russia. Gamaredon Group infrastructure has been used to download and execute InvisiMole against a small number of victims.[1][2]

Windows
MalwareEnterprise

S1162: Playcrypt

Playcrypt is a ransomware that has been used by Play since at least 2022 in attacks against against the business, government, critical infrastructure, healthcare, and media sectors in North America, South America, and Europe. Playcrypt derives its name from adding the .play extension to encrypted files and has overlap with tactics and tools associated with Hive and Nokoyawa ransomware and infrastructure associated with Quantum ransomware.[1][2][3]

Windows
MalwareEnterprise

S0132: H1N1

H1N1 is a malware variant that has been distributed via a campaign using VBA macros to infect victims. Although it initially had only loader capabilities, it has evolved to include information-stealing functionality. [1]

Windows
MalwareEnterprise

S0446: Ryuk

Ryuk is a ransomware designed to target enterprise environments that has been used in attacks since at least 2018. Ryuk shares code similarities with Hermes ransomware.[1][2][3]

Windows
MalwareEnterprise

S1244: Medusa Ransomware

Medusa Ransomware has been utilized in attacks since at least 2021. Medusa Ransomware has been known to be utilized in conjunction with living off the land techniques and remote management software. Medusa Ransomware has been used in campaigns associated with “double extortion” ransomware activity, where data is exfiltrated from victim environments prior to encryption, with threats to publish files if a ransom is not paid. Medusa Ransomware software was initially a closed ransomware variant which later evolved to a Ransomware as a Service (RaaS). Medusa Ransomware has impacted victims from a diverse range of sectors within a multitude of countries, and it is assessed Medusa Ransomware is used in an opportunistic manner.[1][2][3][4]

MalwareEnterprise

S0605: EKANS

EKANS is ransomware variant written in Golang that first appeared in mid-December 2019 and has been used against multiple sectors, including energy, healthcare, and automotive manufacturing, which in some cases resulted in significant operational disruptions. EKANS has used a hard-coded kill-list of processes, including some associated with common ICS software platforms (e.g., GE Proficy, Honeywell HMIWeb, etc), similar to those defined in MegaCortex.[1][2]

Windows
CampaignEnterprise

C0063: 2025 Poland Wiper Attacks

2025 Poland Wiper Attacks is a Russian state-sponsored campaign that conducted destructive cyberattacks against Polish energy infrastructure in December 2025. Targets included more than 30 wind and photovoltaic farms, a combined heat and power (CHP) plant, and a manufacturing sector company. The attacks on the distributed energy resources (DER) disrupted communications between affected facilities and the distribution system operator, but did not impact electricity generation or heat supply. Across the campaign, threat actors deployed two previously undocumented wiper tools, DynoWiper, a Windows-based wiper and LazyWiper, a PowerShell wiper, distributed via malicious Group Policy Objects. At the CHP plant, threat actors had maintained access since at least March 2025, using that foothold to obtain credentials and move laterally before attempting wiper deployment. Some reporting has assessed the activity to be consistent with Russian Federal Security Service (FSB) threat activity group Dragonfly, also tracked as STATIC TUNDRA, while other reporting attributes the destructive wiper activities to the Russian General Staff Main Intelligence Directorate (GRU) threat activity group ELECTRUM, also tracked as Sandworm Team.[1][2][3][4]

Relationship explorer

All related ATT&CK context

Mitigations

Mitigation direction

Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
19.1
Object version
1.6
Created
Modified
Raw hash
f192cad6e025e056...
Imported snapshots across ATT&CK releases(1)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.11.6Current bundlef192cad6e025…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    Talos Olympic Destroyer 2018

    Mercer, W. and Rascagneres, P. (2018, February 12). Olympic Destroyer Takes Aim At Winter Olympics. Retrieved March 14, 2019.

    Open source URL
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    FireEye WannaCry 2017

    Berry, A., Homan, J., and Eitzman, R. (2017, May 23). WannaCry Malware Profile. Retrieved March 15, 2019.

    Open source URL
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    disable_notif_synology_ransom

    TheDFIRReport. (2022, March 1). Disabling notifications on Synology servers before ransom. Retrieved September 12, 2024.

    Open source URL
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    Diskshadow

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    Open source URL
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    Crytox Ransomware

    Romain Dumont . (2022, September 21). Technical Analysis of Crytox Ransomware. Retrieved November 22, 2023.

    Open source URL
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    Cybereason

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    Open source URL
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    ZDNet Ransomware Backups 2020

    Steve Ranger. (2020, February 27). Ransomware victims thought their backups were safe. They were wrong. Retrieved March 21, 2023.

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    Spencer Gietzen. (n.d.). AWS Simple Storage Service S3 Ransomware Part 2: Prevention and Defense. Retrieved March 21, 2023.

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    Palo Alto Unit 42 Medusa Group Medusa Ransomware January 2024

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    CISA Medusa Group Medusa Ransomware March 2025

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    Open source URL
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    Broadcom Medusa Ransomware Medusa Group March 2025

    Threat Hunter Team Symantec and Carbon Black. (2025, March 6). Medusa Ransomware Activity Continues to Increase. Retrieved October 15, 2025.

    Open source URL
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    Security Scorecard Medusa Ransomware January 2024

    Vlad Pasca. (2024, January 1). A Deep Dive into Medusa Ransomware. Retrieved October 15, 2025.

    Open source URL
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    Minerva Labs Black Basta May 2022

    Zargarov, N. (2022, May 2). New Black Basta Ransomware Hijacks Windows Fax Service. Retrieved March 7, 2023.

    Open source URL
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    Cyble Black Basta May 2022

    Cyble. (2022, May 6). New ransomware variant targeting high-value organizations. Retrieved November 17, 2024.

    Open source URL
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    Trend Micro Black Basta May 2022

    Gonzalez, I., Chavez I., et al. (2022, May 9). Examining the Black Basta Ransomware’s Infection Routine. Retrieved March 7, 2023.

    Open source URL
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    Avertium Black Basta June 2022

    Avertium. (2022, June 1). AN IN-DEPTH LOOK AT BLACK BASTA RANSOMWARE. Retrieved March 7, 2023.

    Open source URL
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    NCC Group Black Basta June 2022

    Inman, R. and Gurney, P. (2022, June 6). Shining the Light on Black Basta. Retrieved March 8, 2023.

    Open source URL
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    Deep Instinct Black Basta August 2022

    Vilkomir-Preisman, S. (2022, August 18). Beating Black Basta Ransomware. Retrieved March 8, 2023.

    Open source URL
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    Palo Alto Networks Black Basta August 2022

    Elsad, A. (2022, August 25). Threat Assessment: Black Basta Ransomware. Retrieved March 8, 2023.

    Open source URL
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    Trend Micro Black Basta Spotlight September 2022

    Trend Micro. (2022, September 1). Ransomware Spotlight Black Basta. Retrieved March 8, 2023.

    Open source URL
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    Check Point Black Basta October 2022

    Check Point. (2022, October 20). BLACK BASTA AND THE UNNOTICED DELIVERY. Retrieved March 8, 2023.

    Open source URL
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    Sophos Ragnar May 2020

    SophosLabs. (2020, May 21). Ragnar Locker ransomware deploys virtual machine to dodge security. Retrieved June 29, 2020.

    Open source URL
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    ESET InvisiMole June 2018

    Hromcová, Z. (2018, June 07). InvisiMole: Surprisingly equipped spyware, undercover since 2013. Retrieved July 10, 2018.

    Open source URL
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    Microsoft Storm-0501 Embargo Ransomware August 2025

    Microsoft Threat Intelligence. (2025, August 27). Storm-0501’s evolving techniques lead to cloud-based ransomware. Retrieved October 19, 2025.

    Open source URL
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    Trend Micro Ransomware Spotlight Play July 2023

    Trend Micro Research. (2023, July 21). Ransomware Spotlight: Play. Retrieved September 24, 2024.

    Open source URL
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    Symantec WastedLocker June 2020

    Symantec Threat Intelligence. (2020, June 25). WastedLocker: Symantec Identifies Wave of Attacks Against U.S. Organizations. Retrieved May 20, 2021.

    Open source URL
  28. [28]
    NCC Group WastedLocker June 2020

    Antenucci, S., Pantazopoulos, N., Sandee, M. (2020, June 23). WastedLocker: A New Ransomware Variant Developed By The Evil Corp Group. Retrieved September 14, 2021.

    Open source URL
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    Sentinel Labs WastedLocker July 2020

    Walter, J.. (2020, July 23). WastedLocker Ransomware: Abusing ADS and NTFS File Attributes. Retrieved September 14, 2021.

    Open source URL
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    Cisco H1N1 Part 2

    Reynolds, J.. (2016, September 14). H1N1: Technical analysis reveals new capabilities – part 2. Retrieved November 17, 2024.

    Open source URL
  31. [31]
    CarbonBlack RobbinHood May 2019

    Lee, S. (2019, May 17). CB TAU Threat Intelligence Notification: RobbinHood Ransomware Stops 181 Windows Services Before Encryption. Retrieved July 29, 2019.

    Open source URL
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    CrowdStrike Ryuk January 2019

    Hanel, A. (2019, January 10). Big Game Hunting with Ryuk: Another Lucrative Targeted Ransomware. Retrieved May 12, 2020.

    Open source URL
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    Prevailion DarkWatchman 2021

    Smith, S., Stafford, M. (2021, December 14). DarkWatchman: A new evolution in fileless techniques. Retrieved January 10, 2022.

    Open source URL
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    Dragos EKANS

    Dragos. (2020, February 3). EKANS Ransomware and ICS Operations. Retrieved February 9, 2021.

    Open source URL
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    Palo Alto Unit 42 EKANS

    Hinchliffe, A. Santos, D. (2020, June 26). Threat Assessment: EKANS Ransomware. Retrieved February 9, 2021.

    Open source URL
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    Cybereason INC Ransomware November 2023

    Cybereason Security Research Team. (2023, November 20). Threat Alert: INC Ransomware. Retrieved June 5, 2024.

    Open source URL
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    IBM MegaCortex

    Del Fierro, C. Kessem, L.. (2020, January 8). From Mega to Giga: Cross-Version Comparison of Top MegaCortex Modifications. Retrieved February 15, 2021.

    Open source URL
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    FireEye FiveHands April 2021

    McLellan, T. and Moore, J. et al. (2021, April 29). UNC2447 SOMBRAT and FIVEHANDS Ransomware: A Sophisticated Financial Threat. Retrieved June 2, 2021.

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    Cybereason Global SOC and Cybereason Security Research Teams. (2022, December 14). Royal Rumble: Analysis of Royal Ransomware. Retrieved March 30, 2023.

    Open source URL
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    Kroll Royal Deep Dive February 2023

    Iacono, L. and Green, S. (2023, February 13). Royal Ransomware Deep Dive. Retrieved March 30, 2023.

    Open source URL
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    CISA Royal AA23-061A March 2023

    CISA. (2023, March 2). #StopRansomware: Royal Ransomware. Retrieved March 31, 2023.

    Open source URL
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    Microsoft BlackByte 2023

    Microsoft Incident Response. (2023, July 6). The five-day job: A BlackByte ransomware intrusion case study. Retrieved December 16, 2024.

    Open source URL
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    Security Lab. (2020, June 5). Avaddon: From seeking affiliates to in-the-wild in 2 days. Retrieved August 19, 2021.

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    Arxiv Avaddon Feb 2021

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    Open source URL
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    Microsoft Prestige ransomware October 2022

    MSTIC. (2022, October 14). New “Prestige” ransomware impacts organizations in Ukraine and Poland. Retrieved January 19, 2023.

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    Ensilo Darkgate 2018

    Adi Zeligson & Rotem Kerner. (2018, November 13). Enter The DarkGate - New Cryptocurrency Mining and Ransomware Campaign. Retrieved February 9, 2024.

    Open source URL
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    Thomas, W. et al. (2022, February 25). CrowdStrike Falcon Protects from New Wiper Malware Used in Ukraine Cyberattacks. Retrieved March 25, 2022.

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    Open source URL
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    Open source URL
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