Ransomware group profile · #156 by claimed victims

Shadowbyt3$ ransomware

ShadowByt3$ is a ransomware-as-a-service group first observed in October 2025, using multi-method extortion and communicating via Telegram and Tox, with a very small confirmed victim list suggesting it remains in early-stage operation.

Active First seen Sep 2026

21Victims claimed on leak sites

9Victims in the last 30 days

9Victims in the last 90 days

7Countries hit

9Leak-site URLs tracked, 1 online

15 Sep 2026Latest claim recorded

Victimology

Who Shadowbyt3$ claims to have breached, from 21 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Technology5

Education5

Hospitality3

Professional Services2

Other2

Retail & E-Commerce2

Agriculture and Food Production2

Top countries

United States7

United Kingdom4

Japan3

India2

Indonesia1

Switzerland1

Singapore1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
HandyTrac (Greystar Litchfield Park, AZ) new.handytrac.com	Other	US	15 Sep 2026
John Engel Team johnengelteam.realscout.com	Professional Services	US	10 Sep 2026
Ben Leeds Properties benleedsproperties.com	Other	GB	7 Sep 2026
BayView Real Estate pm.livable.com	Retail & E-Commerce	US	29 Aug 2026
Bayview Real Estate WARNING pm.livable.com	Retail & E-Commerce	US	28 Aug 2026
Sinar Mas Agribusiness and Food Golden Agri-Resources) smart-tbk.com	Agriculture and Food Production	ID	25 Aug 2026
Nintendo Corporation nintendo.com	Technology	JP	25 Aug 2026
A-Plus Software Limited a-plussoft.com	Technology	GB	25 Aug 2026
Knottingham Trent University ntu.ac.uk	Education	GB	25 Aug 2026
TINYpulse NINTENDO BREACH nintendo.com	Technology	JP	16 Jun 2026
Nintendo Company nintendo.com	Technology	JP	12 Jun 2026
Lead Company (Leadership Boulevard)	Professional Services	—	3 Jun 2026

All 21 Shadowbyt3$ 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 Shadowbyt3$ 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 Shadowbyt3$ ransomware still active?

Shadowbyt3$ is tracked as active. The most recent leak-site claim VULONE recorded is dated 15 September 2026. 9 victims were claimed in the last 30 days.

How many victims has Shadowbyt3$ claimed?

VULONE has recorded 21 leak-site victim claims attributed to Shadowbyt3$ since February 2026, across 7 countries and 7 sectors.

Which industries does Shadowbyt3$ target?

The sectors most often named on the Shadowbyt3$ leak site are Technology, Education, Hospitality.

Which countries are most affected by Shadowbyt3$?

Most Shadowbyt3$ victims recorded by VULONE are located in United States, United Kingdom, Japan.

Where does VULONE get Shadowbyt3$ 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].