Ransomware group profile · #86 by claimed victims

Blacklock ransomware

BlackLock is a rebranded version of another ransomware group known as Eldorado. It has since become one of the most active extortion syndicates in 2025, heavily targeting technology, manufacturing, construction, finance, and retail sectors.

Active First seen May 2025

64Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

19Countries hit

0Leak-site URLs tracked

2 Jul 2025Latest claim recorded

Victimology

Who Blacklock claims to have breached, from 64 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Manufacturing14

Professional Services11

Technology9

Retail & E-Commerce5

Transportation5

Energy & Utilities3

Government & Defense3

Agriculture and Food Production3

Top countries

United States38

Canada4

Spain3

United Kingdom2

Australia2

India2

Italy1

Thailand1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
Oxford Universal Corp oxforduniversal.com	Other	US	2 Jul 2025
NK Customer Solutions nkcustomer.com	Professional Services	IN	29 Jun 2025
Ubon Ratchathani University ubu.ac.th	Education	TH	26 Jun 2025
Olivera Canarias oliveracanarias.com	Agriculture and Food Production	ES	24 Jun 2025
Ryan Harvie McEnery rhmc.com.au	Financial Services	GB	5 Jun 2025
Solar City Tyre Service bridgestoneshepparton.com.au	Retail & E-Commerce	AU	4 Jun 2025
Navesink Rehab navesinkrehab.com	Healthcare	US	3 Jun 2025
Solar City solarcity.org	Energy & Utilities	US	3 Jun 2025
Lumenation lumenation.net	Manufacturing	US	3 Jun 2025
Riverdell Construction riverdellconstruction.com	Manufacturing	US	2 Jun 2025
MCM Construction mcmconstructioninc.com	Manufacturing	US	30 May 2025
Quick Frames USA quickframes.com	Manufacturing	US	28 May 2025

All 64 Blacklock 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 Blacklock 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 Blacklock ransomware still active?

Blacklock is tracked as active. The most recent leak-site claim VULONE recorded is dated 2 July 2025.

How many victims has Blacklock claimed?

VULONE has recorded 64 leak-site victim claims attributed to Blacklock since May 2025, across 19 countries and 14 sectors.

Which industries does Blacklock target?

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

Which countries are most affected by Blacklock?

Most Blacklock victims recorded by VULONE are located in United States, Canada, Spain.

Where does VULONE get Blacklock 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].