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Ransomware group profile · #28 by claimed victims

Cactus ransomware

The CACTUS ransomware is said to have emerged around March 2023. The group became known for exploiting vulnerabilities to gain initial access and maintain a presence within the organization's infrastructure.<br> <br> There is little known information about the ransomware group, except that it emerged on the mentioned date and, following encryption, a text file named 'cAcTuS.readme.txt' would be created. Additionally, encrypted files were altered to the '.cts1' extension, and data exfiltration and victim extortion were conducted through the use of the service known as Tox.<br>Source: https://github.com/crocodyli/ThreatActors-TTPs

Active First seen Jul 2023
248Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
26Countries hit
7Leak-site URLs tracked, 0 online
21 Mar 2025Latest claim recorded

Victimology

Who Cactus claims to have breached, from 248 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: 0Jul 2026: 0JulAug 2026: 0Sep 2026: 0

Top sectors

Manufacturing55
Professional Services51
Technology41
Retail & E-Commerce33
Agriculture and Food Production16
Transportation13
Healthcare11
Financial Services10

Top countries

United States105
Canada18
United Kingdom15
France9
Spain6
Netherlands5
Germany5
Denmark4

Latest claimed victims 12 most recent

VictimSectorCountryClaimed
optiline.com optiline.com Technology EE 21 Mar 2025
fplfood.com fplfood.com Agriculture and Food Production US 21 Mar 2025
biagibros.com biagibros.com Transportation US 21 Mar 2025
assaabloy.com assaabloy.com Manufacturing SE 17 Mar 2025
kyb.com kyb.com Technology JP 17 Mar 2025
tempel.com tempel.com Technology US 12 Mar 2025
thermoid.com thermoid.com Manufacturing US 12 Mar 2025
baillie.com baillie.com Financial Services US 12 Mar 2025
urban1.com urban1.com Technology US 12 Mar 2025
rocketstores.com rocketstores.com Retail & E-Commerce US 12 Mar 2025
quigleyeye.com quigleyeye.com Healthcare US 3 Mar 2025
stanleyconsultants.com stanleyconsultants.com Professional Services US 28 Feb 2025

All 248 Cactus 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 Cactus 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 Cactus ransomware still active?
Cactus is tracked as active. The most recent leak-site claim VULONE recorded is dated 21 March 2025.
How many victims has Cactus claimed?
VULONE has recorded 248 leak-site victim claims attributed to Cactus since July 2023, across 26 countries and 14 sectors.
Which industries does Cactus target?
The sectors most often named on the Cactus leak site are Manufacturing, Professional Services, Technology.
Which countries are most affected by Cactus?
Most Cactus victims recorded by VULONE are located in United States, Canada, United Kingdom.
Where does VULONE get Cactus 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].