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Ransomware group profile · #525 by claimed victims

Madcat ransomware

MadCat is a suspected fraudulent ransomware operation that surfaced briefly in late 2023, apparently linked to scammers targeting other criminals on the dark web with fake stolen passport offers; its leak site appeared dead shortly after announcement, casting doubt on whether it ever operated as a genuine ransomware group.

Active First seen Sep 2026
0Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
0Countries hit
0Leak-site URLs tracked
—Latest claim recorded

Tactics, techniques and procedures

ATT&CK technique mapping for Madcat is in progress. Victimology, infrastructure status and leak-site tracking are live above.

Indicators, detections and the full playbook

Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.

See full IOCs

Frequently asked

Is Madcat ransomware still active?
Madcat is tracked as active.
How many victims has Madcat claimed?
VULONE has recorded 0 leak-site victim claims attributed to Madcat, across 0 countries and 0 sectors.
Which industries does Madcat target?
Sector data for Madcat victims is not yet available.
Which countries are most affected by Madcat?
Country data for Madcat victims is not yet available.
Where does VULONE get Madcat victim data?
Claims are collected continuously from the group's own leak sites and cross-checked with ransomware.live and RansomLook. A claim is the group's assertion, not a confirmed breach.

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Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].