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Ransomware group profile · #82 by claimed victims

Karakurt ransomware

Karakurt is a pure data-extortion group (no encryption) assessed with high confidence to be the extortion arm of the Conti ransomware group, active from 2021, that steals data and threatens to auction or publish it unless ransoms ranging from $25,000 to $13 million are paid.

Active First seen Dec 2022
74Victims claimed on leak sites
0Victims in the last 30 days
0Victims in the last 90 days
4Countries hit
9Leak-site URLs tracked, 0 online
22 Sep 2023Latest claim recorded

Victimology

Who Karakurt claims to have breached, from 74 leak-site posts recorded by VULONE.

Claims per month last 12 months

Oct 2025: 0OctNov 2025: 0Dec 2025: 0Jan 2026: 0JanFeb 2026: 0Mar 2026: 0Apr 2026: 0AprMay 2026: 0Jun 2026: 0Jul 2026: 0JulAug 2026: 0Sep 2026: 0

Top sectors

Healthcare20
Manufacturing10
Education7
Professional Services6
Retail & E-Commerce5
Financial Services4
Hospitality3
Technology3

Top countries

United States5
Singapore1
India1
Vietnam1

Latest claimed victims 12 most recent

VictimSectorCountryClaimed
Hospice of Huntington hospiceofhuntington.org Healthcare 22 Sep 2023
Yakima Valley Radiology Healthcare 22 Sep 2023
Valley Mountain Regional Center vmrc.net Healthcare 31 Aug 2023
COSI cosi.org Education 2 Aug 2023
McAlester Regional Health Center mcalesterregional.com Healthcare 28 Jul 2023
Regional Family Medicine Healthcare 28 Jul 2023
Jefferson County Health Center Healthcare 3 Jul 2023
CentroMed centromedsa.com Healthcare 28 Jun 2023
Pan Pacific Hotels Group panpacific.com Hospitality SG 28 Jun 2023
Reeds Spring School District rssd.k12.mo.us Education 26 Jun 2023
Eastside Union School District eusd.org Education 21 Jun 2023
Beacon ABA Services Healthcare 5 Jun 2023

All 74 Karakurt 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 Karakurt 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 Karakurt ransomware still active?
Karakurt is tracked as active. The most recent leak-site claim VULONE recorded is dated 22 September 2023.
How many victims has Karakurt claimed?
VULONE has recorded 74 leak-site victim claims attributed to Karakurt since December 2022, across 4 countries and 14 sectors.
Which industries does Karakurt target?
The sectors most often named on the Karakurt leak site are Healthcare, Manufacturing, Education.
Which countries are most affected by Karakurt?
Most Karakurt victims recorded by VULONE are located in United States, Singapore, India.
Where does VULONE get Karakurt 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].