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Ransomware group profile · #48 by claimed victims

Blackbyte ransomware

Ransomware. Uses dropper written in JavaScript to deploy a .NET payload.

Active First seen Oct 2021

147Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

24Countries hit

13Leak-site URLs tracked, 0 online

30 Jul 2025Latest claim recorded

Victimology

Who Blackbyte claims to have breached, from 147 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Manufacturing31

Professional Services22

Retail & E-Commerce20

Agriculture and Food Production11

Technology11

Government & Defense10

Transportation8

Healthcare7

Top countries

United States14

Brazil4

United Kingdom3

Sweden2

Poland2

Japan1

Italy1

New Zealand1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
DARA Pharma dara-pharma.com	Manufacturing	ES	30 Jul 2025
Lee & Associates lee-associates.com	Professional Services	US	30 Jul 2025
Cpat Flex cpatflex.com	Technology	BR	30 Jul 2025
Towne Mortgage townemortgage.com	Financial Services	US	30 Jul 2025
GreenLight Biosciences greenlightbiosciences.com	Technology	US	16 Jul 2025
T2 Group t2group.co.uk	Professional Services	SE	16 Jul 2025
Ark Consultancy arkconsultancy.co.uk	Professional Services	GB	16 Jul 2025
Allstarmg allstarmg.com	Professional Services	US	16 Jul 2025
Helpsonv helpsonv.org	Professional Services	US	16 Jul 2025
TOTVS totvs.com	Technology	BR	30 Sep 2024
Modernauto modernauto.com	Retail & E-Commerce	US	17 Jul 2024
Modern Automotive Group modernauto.com	Manufacturing	US	17 Jul 2024

All 147 Blackbyte 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 Blackbyte 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 Blackbyte ransomware still active?

Blackbyte is tracked as active. The most recent leak-site claim VULONE recorded is dated 30 July 2025.

How many victims has Blackbyte claimed?

VULONE has recorded 147 leak-site victim claims attributed to Blackbyte since October 2021, across 24 countries and 14 sectors.

Which industries does Blackbyte target?

The sectors most often named on the Blackbyte leak site are Manufacturing, Professional Services, Retail & E-Commerce.

Which countries are most affected by Blackbyte?

Most Blackbyte victims recorded by VULONE are located in United States, Brazil, United Kingdom.

Where does VULONE get Blackbyte 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].