D1R ransomware

D1R Claims Synopsys and Bosch Breaches, but Synopsys Disputes Intrusion

Active First seen Jul 2026

3Victims claimed on leak sites

0Victims in the last 30 days

3Victims in the last 90 days

3Countries hit

1Leak-site URLs tracked, 0 online

13 Jul 2026Latest claim recorded

Victimology

Who D1R claims to have breached, from 3 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Technology2

Manufacturing1

Top countries

Germany1

United States1

United Kingdom1

Latest claimed victims 3 most recent

Victim	Sector	Country	Claimed
Bosch bosch.de	Manufacturing	DE	13 Jul 2026
ARM arm.com	Technology	GB	13 Jul 2026
Synopsys synopsys.com	Technology	US	13 Jul 2026

All 3 D1R 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 D1R 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 D1R ransomware still active?

D1R is tracked as active. The most recent leak-site claim VULONE recorded is dated 13 July 2026.

How many victims has D1R claimed?

VULONE has recorded 3 leak-site victim claims attributed to D1R since July 2026, across 3 countries and 2 sectors.

Which industries does D1R target?

The sectors most often named on the D1R leak site are Technology, Manufacturing.

Which countries are most affected by D1R?

Most D1R victims recorded by VULONE are located in Germany, United States, United Kingdom.

Where does VULONE get D1R 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].