Ransomware group profile · #165 by claimed victims

Brotherhood ransomware

Brotherhood is a ransomware group that emerged in late 2025, targeting organizations in the US, Canada, and Australia across manufacturing, communications, and construction sectors, operating a Tor-based double-extortion leak site.

Active First seen Nov 2025

18Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

8Countries hit

15Leak-site URLs tracked, 0 online

6 Jan 2026Latest claim recorded

Victimology

Who Brotherhood claims to have breached, from 18 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Professional Services7

Manufacturing2

Government & Defense2

Technology2

Agriculture and Food Production1

Retail & E-Commerce1

Transportation1

Energy & Utilities1

Top countries

United States7

Australia3

Germany2

Canada2

Italy1

South Africa1

United Kingdom1

Switzerland1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
Italgrafica Sistemi konigprint.com	Manufacturing	IT	6 Jan 2026
häussermann stauden gehölze gmbh haeussermann.com	Agriculture and Food Production	DE	10 Dec 2025
Ingenieurbüro Laudi ib-laudi.de	Professional Services	DE	28 Nov 2025
Horst Realty horstrealty.com	Professional Services	US	15 Nov 2025
Spoleta Construction spoleta.com	Manufacturing	US	15 Nov 2025
Cera Stribley c-s.com.au	Not Found	AU	15 Nov 2025
Kaener Personal kaenerpersonal.ch	Professional Services	CH	15 Nov 2025
Ninas Jewellery ninasjewellery.com.au	Retail & E-Commerce	AU	15 Nov 2025
Integlia integlia.ca	Professional Services	CA	11 Oct 2025
Citizens' Committee for Children of New York cccnewyork.org	Government & Defense	US	11 Oct 2025
Momentum Logistics momentumlogistics.co.za	Transportation	ZA	10 Oct 2025
Sternthal Montigny Greenberg St-Germain smgs.ca	Professional Services	CA	10 Oct 2025

All 18 Brotherhood 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 Brotherhood 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 Brotherhood ransomware still active?

Brotherhood is tracked as active. The most recent leak-site claim VULONE recorded is dated 6 January 2026.

How many victims has Brotherhood claimed?

VULONE has recorded 18 leak-site victim claims attributed to Brotherhood since October 2025, across 8 countries and 9 sectors.

Which industries does Brotherhood target?

The sectors most often named on the Brotherhood leak site are Professional Services, Manufacturing, Government & Defense.

Which countries are most affected by Brotherhood?

Most Brotherhood victims recorded by VULONE are located in United States, Australia, Germany.

Where does VULONE get Brotherhood 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].