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.
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.
Frequently asked
Is Cloak.su (Locker Leak) ransomware still active?
How many victims has Cloak.su (Locker Leak) claimed?
Which industries does Cloak.su (Locker Leak) target?
Which countries are most affected by Cloak.su (Locker Leak)?
Where does VULONE get Cloak.su (Locker Leak) victim data?
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].