Ransomware group profile · #147 by claimed victims

Doppelpaymer ransomware

Doppelpaymer is a ransomware family that encrypts user data and later on it asks for a ransom in order to restore original files. It is recognizable by its trademark file extension added to encrypted files: .doppeled. It also creates a note file named: ".how2decrypt.txt".

Active First seen May 2019

25Victims claimed on leak sites

0Victims in the last 30 days

0Victims in the last 90 days

5Countries hit

2Leak-site URLs tracked, 0 online

10 Apr 2021Latest claim recorded

Victimology

Who Doppelpaymer claims to have breached, from 25 leak-site posts recorded by VULONE.

Claims per month last 12 months

Top sectors

Manufacturing9

Government & Defense9

Technology3

Education2

Agriculture and Food Production1

Transportation1

Top countries

United States15

France4

Chile1

Mexico1

Canada1

Latest claimed victims 12 most recent

Victim	Sector	Country	Claimed
Office of the Attorney General	Manufacturing	US	10 Apr 2021
Azusa police department	Government & Defense	US	1 Mar 2021
Manutan manutan.fr	Manufacturing	FR	21 Feb 2021
Kia Motors America (KMA)	Manufacturing	US	16 Feb 2021
Cuyahoga Metropolitan Housing Authority	Government & Defense	US	8 Feb 2021
Foxconn	Manufacturing	MX	29 Nov 2020
Delaware County	Government & Defense	US	28 Nov 2020
Compal	Manufacturing	—	8 Nov 2020
Banijay Group SAS	Technology	FR	1 Nov 2020
Chatham County Government	Government & Defense	US	28 Oct 2020
Hall County	Government & Defense	US	7 Oct 2020
Newcastle University	Education	—	30 Aug 2020

All 25 Doppelpaymer 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 Doppelpaymer 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 Doppelpaymer ransomware still active?

Doppelpaymer is tracked as active. The most recent leak-site claim VULONE recorded is dated 10 April 2021.

How many victims has Doppelpaymer claimed?

VULONE has recorded 25 leak-site victim claims attributed to Doppelpaymer since May 2019, across 5 countries and 6 sectors.

Which industries does Doppelpaymer target?

The sectors most often named on the Doppelpaymer leak site are Manufacturing, Government & Defense, Technology.

Which countries are most affected by Doppelpaymer?

Most Doppelpaymer victims recorded by VULONE are located in United States, France, Chile.

Where does VULONE get Doppelpaymer 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].