Ransomware group profile · #249 by claimed victims

Gammax ransomware

Gammax is a ransomware operation tracked by VULONE since July 2026. Its leak site has named 7 victims since July 2026. The group most often targets Manufacturing, Energy & Utilities, Education.

Active First seen Jul 2026

7Victims claimed on leak sites

0Victims in the last 30 days

4Victims in the last 90 days

5Countries hit

2Leak-site URLs tracked, 1 online

29 Sep 2026Latest claim recorded

Victimology

Who Gammax claims to have breached, from 7 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Manufacturing2

Energy & Utilities1

Education1

Other1

Professional Services1

Retail & E-Commerce1

Top countries

United States3

Colombia1

New Zealand1

Saudi Arabia1

Canada1

Latest claimed victims 7 most recent

Victim	Sector	Country	Claimed
AHeadStart Tutoring aheadstart.co.nz	Education	NZ	29 Sep 2026
Crowder Industries, Inc crowderindustries.com	Manufacturing	US	29 Sep 2026
Premier Lighting & Controls premierlight.com	Manufacturing	US	18 Sep 2026
King International LLC kingsinternational.us	Other	US	6 Aug 2026
MTCO (Mahmoud Altaheni & Partners Trading Co) mtest.com.sa	Professional Services	SA	1 Aug 2026
RE/MAX 1st Choice remax-1stchoice.com	Retail & E-Commerce	CA	30 Jul 2026
AguAseo aguaseo.com	Energy & Utilities	CO	30 Jul 2026

All 7 Gammax 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 Gammax 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 Gammax ransomware still active?

Gammax is tracked as active. The most recent leak-site claim VULONE recorded is dated 29 September 2026.

How many victims has Gammax claimed?

VULONE has recorded 7 leak-site victim claims attributed to Gammax since July 2026, across 5 countries and 6 sectors.

Which industries does Gammax target?

The sectors most often named on the Gammax leak site are Manufacturing, Energy & Utilities, Education.

Which countries are most affected by Gammax?

Most Gammax victims recorded by VULONE are located in United States, Colombia, New Zealand.

Where does VULONE get Gammax 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.