RansomHub

Malware
30 incidents First seen 2025-04-25 Last seen 2026-10-21
Overview

RansomHub is a ransomware-as-a-service (RaaS) offering with Windows, ESXi, Linux, and FreeBSD versions that has been in use since at least 2024 to target organizations in multiple sectors globally. RansomHub operators may have purchased and rebranded resources from Knight (formerly Cyclops) Ransomware which shares infrastructure, feature, and code overlaps with RansomHub.

Threat ecosystem
Actors Malware Campaigns CVEs
Tap a node for a quick look · double-tap to open its profile
At a glance
peak priority 170 23 techniques LinuxWindows in ATT&CK since 2025-03-17 updated 2025-03-27 · v1.0
Activity by month (incidents)
2025-042026-10
Sectors targeted
manufacturing · 6technology · 6health · 5finance · 4government · 3cryptocurrency · 2defense · 1education · 1energy · 1hospitality · 1
Countries targeted
US · 20CA · 16GB · 11DE · 8AT · 7CH · 7ID · 7IN · 7BR · 6CN · 6DK · 6FR · 6
Origin
CA · 7US · 7RU · 6DE · 3AT · 2CH · 2
Kinds of incident
Ransomware & Extortion · 18Data Breach · 5Malware & Botnets · 5Law Enforcement · 3Phishing & Social Engineering · 3Industry & Policy · 2
Techniques seen in incidents
Ransomware · 29Extortion · 15Data Leak · 8Phishing · 8Lateral Movement · 7Social Engineering · 7Data Breach · 5Exfiltration · 5T1059.001 - PowerShell · 4T1588.001 - Malware · 4Reconnaissance · 3T1059.006 - Python · 3T1059.007 - JavaScript · 3T1592.002 - Software · 3
Related actors
Scattered Spider · 4Contagious Interview · 1INC Ransom · 1Indrik Spider · 1Mustard Tempest · 1The Gentlemen · 1Water Galura · 1
Related CVEs
CVE-2019-11580 · 1CVE-2023-3519 · 1CVE-2023-48788 · 1CVE-2024-57727 · 1CVE-2025-5777 · 1CVE-2026-49494 · 1
ATT&CK techniques by tactic (23)
execution T1059.001 PowerShell T1059.003 Windows Command Shell
persistence T1547.001 Registry Run Keys / Startup Folder
privilege escalation T1547.001 Registry Run Keys / Startup Folder
discovery T1018 Remote System Discovery T1057 Process Discovery T1082 System Information Discovery T1083 File and Directory Discovery T1135 Network Share Discovery T1497.003 Time Based Checks
lateral movement T1021.002 SMB/Windows Admin Shares
command and control T1090 Proxy
impact T1486 Data Encrypted for Impact T1489 Service Stop T1490 Inhibit System Recovery T1491.001 Internal Defacement
stealth T1027.013 Encrypted/Encoded File T1070.004 File Deletion T1140 Deobfuscate/Decode Files or Information T1480 Execution Guardrails T1497.003 Time Based Checks
defense impairment T1685.005 Clear Windows Event Logs T1688 Safe Mode Boot
Incident timeline
2026-10-21
Ransomware Attacks Rise as Rival Gangs Vie For Market Supremacy
2026-10-13
Stopping attackers who want your endpoint protection to go dark
2026-07-25
DevMan RaaS Portal Centralizes Payload Builds, Victim Management, and Affiliate Payouts
2026-07-03
Qilin Dominates Ransomware Market Amid Growing Cybercrime Consolidation
2026-06-25
Europe Evolves Into Ransomware's Favorite Region
2026-06-22
GentleKiller Framework Disables Victims' Security Software
2026-06-19
Police raid malware network tied to Russia's Evil Corp hacker group
2026-06-15
Inside the Modern SOC: The 72-Minute Race
2026-06-01
Ransomware Operators Keep Business Hours. The Data Proves It
2026-05-12
State of ransomware in 2026
2026-04-20
British Scattered Spider hacker pleads guilty to crypto theft charges
2026-04-14
No honor among thieves as 0APT threatens rival ransomware gang Krybit
2026-04-14
No honor among thieves as 0APT threatens rival ransomware gang Krybit
2026-04-14
Ransomware-Linked ViperTunnel Malware Hits UK and US Businesses
2026-04-10
Just Three Ransomware Gangs Accounted for 40% of Attacks Last Month
2026-04-10
Just Three Ransomware Gangs Accounted for 40% of Attacks Last Month
2026-03-17
LeakNet Ransomware Uses ClickFix via Hacked Sites, Deploys Deno In-Memory Loader
2026-03-16
Ransomware Under Pressure: Tactics, Techniques, and Procedures in a Shifting Threat Landscape
2026-03-16
Ransomware Under Pressure: Tactics, Techniques, and Procedures in a Shifting Threat Landscape
2026-03-16
The ransomware economy is shifting toward straight-up data extortion
2026-03-07
Termite ransomware breaches linked to ClickFix CastleRAT attacks
2026-01-29
FBI Takes Down RAMP Ransomware Forum
2026-01-22
New Osiris Ransomware Emerges as New Strain Using POORTRY Driver in BYOVD Attack