← All ransomware groups

Ransomware group profile · #649 by claimed victims

Team Underground ransomware

Team Underground is a ransomware operation tracked by VULONE since September 2026.

Active First seen Sep 2026
0Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
0Countries hit
4Leak-site URLs tracked, 0 online
—Latest claim recorded

Tactics, techniques and procedures

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

Qilin logoQilin2,310 victims Lockbit3 logoLockbit32,016 victims Akira logoAkira1,618 victims Clop logoClop1,344 victims Play1,316 victims Lockbit21,002 victims Incransom936 victims Thegentlemen867 victims

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].