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Ransomware group profile · #53 by claimed victims

Direwolf ransomware

Dire Wolf is a sophisticated human-operated ransomware group first documented in May 2025, written in Golang using Curve25519/ChaCha20 encryption, targeting manufacturing and technology sectors across 13+ countries with ransoms up to $500,000, operated by a tight core team rather than a broad affiliate program.

Active First seen May 2025
141Victims claimed on leak sites
45Victims in the last 30 days
66Victims in the last 90 days
37Countries hit
3Leak-site URLs tracked, 2 online
14 Sep 2026Latest claim recorded

Victimology

Who Direwolf claims to have breached, from 141 leak-site posts recorded by VULONE.

Claims per month last 12 months

Oct 2025: 2OctNov 2025: 10Dec 2025: 6Jan 2026: 12JanFeb 2026: 0Mar 2026: 0Apr 2026: 0AprMay 2026: 0Jun 2026: 4Jul 2026: 0JulAug 2026: 43Sep 2026: 23

Top sectors

Healthcare21
Professional Services20
Technology20
Manufacturing19
Financial Services11
Transportation9
Other6
Agriculture and Food Production6

Top countries

United States32
Malaysia11
Thailand9
Brazil8
United Kingdom7
Singapore5
Turkiye5
Taiwan5

Latest claimed victims 12 most recent

VictimSectorCountryClaimed
Little Otter 14 Sep 2026
Hazel Health 14 Sep 2026
Port of Tanjung Pelepas 11 Sep 2026
Port of Tanjung Pelepas ptp.com.my Transportation MY 11 Sep 2026
RelyComply AML Platform 9 Sep 2026
RelyComply AML Platform relycomply.com Financial Services GB 9 Sep 2026
Sales Boomerang 9 Sep 2026
EMS1R 8 Sep 2026
Sales Boomerang salesboomerang.com Professional Services US 8 Sep 2026
EMS1R ems1r.com Not Found US 8 Sep 2026
Precision Vehicle Logistics precisionvehiclelogistics.com Transportation US 7 Sep 2026
TrainMe trainme.co Education CO 7 Sep 2026

All 141 Direwolf 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 Direwolf 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 Direwolf ransomware still active?
Direwolf is tracked as active. The most recent leak-site claim VULONE recorded is dated 14 September 2026. 45 victims were claimed in the last 30 days.
How many victims has Direwolf claimed?
VULONE has recorded 141 leak-site victim claims attributed to Direwolf since May 2025, across 37 countries and 14 sectors.
Which industries does Direwolf target?
The sectors most often named on the Direwolf leak site are Healthcare, Professional Services, Technology.
Which countries are most affected by Direwolf?
Most Direwolf victims recorded by VULONE are located in United States, Malaysia, Thailand.
Where does VULONE get Direwolf 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].