← All ransomware groups

Ransomware group profile · #255 by claimed victims

ULose ransomware

ULose is a ransomware operation tracked by VULONE since June 2026. Its leak site has named 5 victims since June 2026. The group most often targets Financial Services, Manufacturing, Healthcare.

Active First seen Jun 2026
5Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
1Countries hit
1Leak-site URLs tracked, 1 online
9 Jun 2026Latest claim recorded

Victimology

Who ULose claims to have breached, from 5 leak-site posts recorded by VULONE.

Claims per month last 12 months

Oct 2025: 0OctNov 2025: 0Dec 2025: 0Jan 2026: 0JanFeb 2026: 0Mar 2026: 0Apr 2026: 0AprMay 2026: 0Jun 2026: 5Jul 2026: 0JulAug 2026: 0Sep 2026: 0

Top sectors

Financial Services3
Manufacturing1
Healthcare1

Top countries

South Korea5

Latest claimed victims 5 most recent

VictimSectorCountryClaimed
KyungRok kyungrok.com Financial Services KR 9 Jun 2026
MSICapital money-store.co.kr Financial Services KR 9 Jun 2026
HanDok handok.co.kr Healthcare KR 9 Jun 2026
NRCapital nrcapital.co.kr Financial Services KR 9 Jun 2026
HIZE Aero hizeaero.com Manufacturing KR 9 Jun 2026

All 5 ULose victims, searchable

Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.

Start free Sign in

Tactics, techniques and procedures

ATT&CK technique mapping for ULose 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 ULose ransomware still active?
ULose is tracked as active. The most recent leak-site claim VULONE recorded is dated 9 June 2026.
How many victims has ULose claimed?
VULONE has recorded 5 leak-site victim claims attributed to ULose since June 2026, across 1 countries and 3 sectors.
Which industries does ULose target?
The sectors most often named on the ULose leak site are Financial Services, Manufacturing, Healthcare.
Which countries are most affected by ULose?
Most ULose victims recorded by VULONE are located in South Korea.
Where does VULONE get ULose 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].