Ransomware group profile · #141 by claimed victims

Obscura ransomware

Obscura is a ransomware strain observed in 2025, written in Go and specifically targeting Windows domain controllers via the SYSVOL/NETLOGON share, using Curve25519 + XChaCha20 encryption with double-extortion tactics and a 10-day payment deadline.

Active First seen Sep 2025

33Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

14Countries hit

2Leak-site URLs tracked, 0 online

11 Jan 2026Latest claim recorded

Victimology

Who Obscura claims to have breached, from 33 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Professional Services7

Technology6

Energy & Utilities4

Healthcare4

Transportation3

Government & Defense3

Manufacturing3

Other2

Top countries

United States6

Malaysia5

Thailand3

Denmark3

Egypt2

Portugal2

Ireland2

Canada1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
Revoil revoil.gr	Energy & Utilities	GR	11 Jan 2026
CleverPower cleverpower.eu	Energy & Utilities	DK	11 Jan 2026
Trend Import Export trend.ro	Technology	RO	11 Jan 2026
[Redacted] #1927	Energy & Utilities	TH	11 Jan 2026
STC Concrete Product stc.co.th	Manufacturing	TH	11 Jan 2026
REDtone redtone.com	Technology	MY	11 Jan 2026
clerper.eu clerper.eu	Energy & Utilities	-	15 Dec 2025
kmw.com km**w.com	Transportation	-	15 Dec 2025
ACE Forwarding aceforwarding.com	Transportation	US	12 Dec 2025
Startek Engineering Inc. startek-eng.com	Technology	TW	12 Dec 2025
StanleyCo Malaysia stanleyco.com.my	Professional Services	MY	12 Dec 2025
New Obscura 2.0! fbi.gov	Government & Defense	-	12 Dec 2025

All 33 Obscura 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 Obscura 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 Obscura ransomware still active?

Obscura is tracked as active. The most recent leak-site claim VULONE recorded is dated 11 January 2026.

How many victims has Obscura claimed?

VULONE has recorded 33 leak-site victim claims attributed to Obscura since September 2025, across 14 countries and 9 sectors.

Which industries does Obscura target?

The sectors most often named on the Obscura leak site are Professional Services, Technology, Energy & Utilities.

Which countries are most affected by Obscura?

Most Obscura victims recorded by VULONE are located in United States, Malaysia, Thailand.

Where does VULONE get Obscura 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 31 October 2026. Questions or corrections: research@vulone.com.