Ransomware group profile · #70 by claimed victims

Chaos ransomware

Chaos is a ransomware-as-a-service operation that emerged in early 2025, likely formed by former BlackSuit/Royal members, offering cross-platform ransomware for Windows, Linux, ESXi, and NAS to affiliates recruited on the RAMP dark web forum, excluding CIS/BRICS countries and hospitals from targeting.

Active First seen Mar 2025

96Victims claimed on leak sites

17Victims in the last 30 days

39Victims in the last 90 days

15Countries hit

11Leak-site URLs tracked, 1 online

14 Sep 2026Latest claim recorded

Victimology

Who Chaos claims to have breached, from 96 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Technology19

Manufacturing18

Professional Services14

Healthcare7

Transportation6

Financial Services6

Retail & E-Commerce5

Other3

Top countries

United States64

United Kingdom5

Canada4

Germany4

Australia2

Russia2

Poland1

Austria1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
glasfloss.com	—	—	14 Sep 2026
steelhausinc.com	—	—	14 Sep 2026
glasfloss.com glasfloss.com	Manufacturing	US	14 Sep 2026
steelhausinc.com steelhausinc.com	Manufacturing	US	14 Sep 2026
mankatoclinic.com	—	—	10 Sep 2026
artiflexmfg.com	—	—	10 Sep 2026
mankatoclinic.com mankatoclinic.com	Healthcare	US	10 Sep 2026
artiflexmfg.com artiflexmfg.com	Manufacturing	US	10 Sep 2026
copeplastics.com	—	—	9 Sep 2026
copeplastics.com copeplastics.com	Manufacturing	GB	8 Sep 2026
evergenbio.com evergenbio.com	Healthcare	US	6 Sep 2026
corematerials.com corematerials.com	Manufacturing	US	28 Aug 2026

All 96 Chaos 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 Chaos 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.

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Frequently asked

Is Chaos ransomware still active?

Chaos is tracked as active. The most recent leak-site claim VULONE recorded is dated 14 September 2026. 17 victims were claimed in the last 30 days.

How many victims has Chaos claimed?

VULONE has recorded 96 leak-site victim claims attributed to Chaos since March 2025, across 15 countries and 14 sectors.

Which industries does Chaos target?

The sectors most often named on the Chaos leak site are Technology, Manufacturing, Professional Services.

Which countries are most affected by Chaos?

Most Chaos victims recorded by VULONE are located in United States, United Kingdom, Canada.

Where does VULONE get Chaos 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.

VULONE research mentioning Chaos

QUAKE3, The XSS Moderator Who Wrote REvil

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].