Ransomware group profile · #158 by claimed victims

Hellcat ransomware

HellCat is a ransomware-as-a-service group that formed in Q4 2024 and quickly became notable for high-profile attacks against Schneider Electric, Telefónica, and Israel's Knesset, primarily gaining initial access via stolen Jira credentials harvested by infostealer malware, targeting critical infrastructure and government entities.

Active First seen Oct 2024

20Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

13Countries hit

5Leak-site URLs tracked, 0 online

10 Apr 2025Latest claim recorded

Victimology

Who Hellcat claims to have breached, from 20 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Technology9

Education3

Financial Services2

Retail & E-Commerce2

Government & Defense2

Professional Services1

Energy & Utilities1

Top countries

United States6

China2

France1

Germany1

Israel1

Turkiye1

Poland1

Indonesia1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
Potomac Financial Services potomacfinancialadvisors.com	Financial Services	US	10 Apr 2025
Po* p**********.com	Financial Services	—	7 Apr 2025
CVTE cvte.com	Technology	CN	7 Apr 2025
HighWire Press highwirepress.com	Technology	US	5 Apr 2025
Racami racami.com	Technology	US	5 Apr 2025
Asseco asseco.com	Technology	PL	5 Apr 2025
LeoVegas AB leovegasgroup.com	Technology	SE	5 Apr 2025
Transsion Holdings transsion.com	Technology	CN	29 Mar 2025
Grupo Santillana santillana.com	Education	ES	25 Mar 2025
Omnitracs omnitracs.com	Technology	US	25 Mar 2025
Electronics For Imaging efi.com	Technology	US	17 Mar 2025
Ascom Holding AG ascom.com	Technology	CH	16 Mar 2025

All 20 Hellcat 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 Hellcat 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 Hellcat ransomware still active?

Hellcat is tracked as active. The most recent leak-site claim VULONE recorded is dated 10 April 2025.

How many victims has Hellcat claimed?

VULONE has recorded 20 leak-site victim claims attributed to Hellcat since October 2024, across 13 countries and 7 sectors.

Which industries does Hellcat target?

The sectors most often named on the Hellcat leak site are Technology, Education, Financial Services.

Which countries are most affected by Hellcat?

Most Hellcat victims recorded by VULONE are located in United States, China, France.

Where does VULONE get Hellcat 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].