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Ransomware group profile · #391 by claimed victims

Cloak.su (Locker Leak) ransomware

Cloak.su (Locker Leak) is a ransomware operation tracked by VULONE since September 2026.

Defunct First seen Sep 2026
0Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
0Countries hit
1Leak-site URLs tracked, 0 online
Latest claim recorded

Tactics, techniques and procedures

ATT&CK technique mapping for Cloak.su (Locker Leak) 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 Cloak.su (Locker Leak) ransomware still active?
Cloak.su (Locker Leak) is tracked as defunct.
How many victims has Cloak.su (Locker Leak) claimed?
VULONE has recorded 0 leak-site victim claims attributed to Cloak.su (Locker Leak), across 0 countries and 0 sectors.
Which industries does Cloak.su (Locker Leak) target?
Sector data for Cloak.su (Locker Leak) victims is not yet available.
Which countries are most affected by Cloak.su (Locker Leak)?
Country data for Cloak.su (Locker Leak) victims is not yet available.
Where does VULONE get Cloak.su (Locker Leak) 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.

Other ransomware groups

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].