Ransomware group profile · #262 by claimed victims

OBSOFT ransomware

OBSOFT is a ransomware operation tracked by VULONE since November 2026. Its leak site has named 6 victims since November 2026, 6 of them in the last 30 days.

Active First seen Nov 2026

6Victims claimed on leak sites

6Victims in the last 30 days

6Victims in the last 90 days

1Countries hit

1Leak-site URLs tracked, 1 online

3 Nov 2026Latest claim recorded

Victimology

Who OBSOFT claims to have breached, from 6 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

No sector data yet.

Top countries

South Korea5

Latest claimed victims 6 most recent

Victim	Sector	Country	Claimed
Company #1 b*bt.or.kr	Not Found	KR	3 Nov 2026
Company #2 gu*****n.co.kr	Not Found	KR	3 Nov 2026
Company #3 ui**gb**n.co.kr	Not Found	KR	3 Nov 2026
Company #4 t*ho**al.co.kr	Not Found	KR	3 Nov 2026
Company #5 mis**nho**al.co.kr	Not Found	KR	3 Nov 2026
New Victim Company #6	Not Found	-	3 Nov 2026

All 6 OBSOFT 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.

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Tactics, techniques and procedures

ATT&CK technique mapping for OBSOFT 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 OBSOFT ransomware still active?

OBSOFT is tracked as active. The most recent leak-site claim VULONE recorded is dated 3 November 2026. 6 victims were claimed in the last 30 days.

How many victims has OBSOFT claimed?

VULONE has recorded 6 leak-site victim claims attributed to OBSOFT since November 2026, across 1 countries and 1 sectors.

Which industries does OBSOFT target?

Sector data for OBSOFT victims is not yet available.

Which countries are most affected by OBSOFT?

Most OBSOFT victims recorded by VULONE are located in South Korea.

Where does VULONE get OBSOFT 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 4 November 2026. Questions or corrections: research@vulone.com.