Ransomware group profile · #74 by claimed victims

BrainCipher ransomware

Brain Cipher emerged in July 2024. Both Windows and Linux variants are available. Brain Cipher using the leaked build of LockBit Black for their operations. The group suspected to have exploited CVE-2023-28252 (Microsoft Windows CLFS Driver Privilege Escalation Vulnerability). The Ransom demand ranges from $150,000 to $1,00,0000. Demand to be paid with Monero (XMR) cryptocurrency. In 2025, they have shifted their new Negotiation portal to new server with vanity TOR Domain starting with 'brain'.

Active First seen Jul 2024

98Victims claimed on leak sites

9Victims in the last 30 days

29Victims in the last 90 days

27Countries hit

0Leak-site URLs tracked

21 Oct 2026Latest claim recorded

Victimology

Who BrainCipher claims to have breached, from 98 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Professional Services28

Technology15

Manufacturing11

Healthcare10

Other7

Financial Services6

Retail & E-Commerce4

Transportation3

Top countries

United States33

United Kingdom10

Canada8

Spain5

France5

Mexico4

United Arab Emirates3

Brazil3

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
novagroupgbc.com novagroupgbc.com	Other	GB	21 Oct 2026
oflaherty-law.com oflaherty-law.com	Professional Services	IE	21 Oct 2026
clinicaromero.com clinicaromero.com	Healthcare	AR	21 Oct 2026
sodali.com sodali.com	Professional Services	US	21 Oct 2026
srsnodgrass.com srsnodgrass.com	Professional Services	US	21 Oct 2026
prosomnus.com prosomnus.com	Healthcare	US	21 Oct 2026
olyortho.com olyortho.com	Healthcare	US	21 Oct 2026
mvjllp.com mvjllp.com	Not Found	-	21 Oct 2026
huntcompanies.com huntcompanies.com	Not Found	US	11 Oct 2026
latitudesubro.com latitudesubro.com	Manufacturing	BR	29 Sep 2026
trailerbridge.com trailerbridge.com	Transportation	US	29 Sep 2026
mccordclaims.com mccordclaims.com	Financial Services	US	29 Sep 2026

All 98 BrainCipher 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 BrainCipher 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 BrainCipher ransomware still active?

BrainCipher is tracked as active. The most recent leak-site claim VULONE recorded is dated 21 October 2026. 9 victims were claimed in the last 30 days.

How many victims has BrainCipher claimed?

VULONE has recorded 98 leak-site victim claims attributed to BrainCipher since July 2024, across 27 countries and 14 sectors.

Which industries does BrainCipher target?

The sectors most often named on the BrainCipher leak site are Professional Services, Technology, Manufacturing.

Which countries are most affected by BrainCipher?

Most BrainCipher victims recorded by VULONE are located in United States, United Kingdom, Canada.

Where does VULONE get BrainCipher 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.