Ransomware group profile · #241 by claimed victims

0day Syndicate ransomware

0day Syndicate is a ransomware operation tracked by VULONE since May 2026. Its leak site has named 5 victims since May 2026. The group most often targets Technology, Professional Services.

Active First seen May 2026

5Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

3Countries hit

0Leak-site URLs tracked

29 May 2026Latest claim recorded

Victimology

Who 0day Syndicate claims to have breached, from 5 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Technology3

Professional Services2

Top countries

Brazil1

United States1

Ghana1

Latest claimed victims 5 most recent

Victim	Sector	Country	Claimed
Braincell Braincell.sa rfcargo.braincell.solutions rf.braincell.solutions govern braincell.sa	Technology	—	29 May 2026
xgenize.com xgenize.com	Technology	US	28 May 2026
gokids gokidspublishing.com dev.redpilotstudio.com gokidsmobile.com gokids.kids	Technology	—	28 May 2026
dxon.com.br dxon.com.br	Professional Services	BR	28 May 2026
xl africa group xlafricagroup.com	Professional Services	GH	28 May 2026

All 5 0day Syndicate 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.

Start free Sign in

Tactics, techniques and procedures

ATT&CK technique mapping for 0day Syndicate 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 0day Syndicate ransomware still active?

0day Syndicate is tracked as active. The most recent leak-site claim VULONE recorded is dated 29 May 2026.

How many victims has 0day Syndicate claimed?

VULONE has recorded 5 leak-site victim claims attributed to 0day Syndicate since May 2026, across 3 countries and 2 sectors.

Which industries does 0day Syndicate target?

The sectors most often named on the 0day Syndicate leak site are Technology, Professional Services.

Which countries are most affected by 0day Syndicate?

Most 0day Syndicate victims recorded by VULONE are located in Brazil, United States, Ghana.

Where does VULONE get 0day Syndicate 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].