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Inactive · #70 by victimsRansomware group

Karakurt

As of Oct 19, 2026, Karakurt has listed 97 confirmed victims on its leak site since Mar 20, 2023, 0.3% of all victims tracked by Brandefense. Its most targeted country is United States (60.8% of its victims) and its most targeted sector is Healthcare.

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.

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Confirmed Victims
97
Rank By Victims
#70
Last Leak-Site Post
Jul 11, 2025
Top Country
United States
Top Sector
Healthcare

Victims Posted Per Month.

Karakurt confirmed victims per month
MonthConfirmed victims
March 20235
April 202311
May 20234
June 20234
July 20233
August 20232
September 20232
October 20230
November 20230
December 20230
January 20240
February 20240
March 20240
April 20240
May 20240
June 20240
July 20240
August 20240
September 20240
October 20240
November 20240
December 20240
January 20250
February 20250
March 20250
April 20250
May 20250
June 20250
July 202566
August 20250
September 20250
October 20250
November 20250
December 20250
January 20260
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 2026 (month in progress)0
Updated continuously · figures as of Oct 19, 2026

Latest Karakurt Victims.

Search all 97 →
Latest confirmed leak-site victims claimed by Karakurt
VictimCountryIndustryData claimedPosted
Methodist McKinney Hospital
methodistmckinneyhospital.com
USUnited StatesHealthcare359 GB
River City Science Academy
rivercityscience.org
USUnited StatesEducation and Research67.6 GB
Goodwill industries
goodwill.org
USUnited StatesHealthcare67.2 GB
Stratus
stratusunlimited.com
USUnited StatesUnknown766 GB
Schrader-Pacific International
schrader-pacific.com
USUnited StatesUnknown289 GB
Centrisys cnp
centrisys-cnp.com
USUnited StatesUnknown382 GB

How They Operate.

Karakurt's threat actor profile lists 7 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who Karakurt Targets.

Sectors

  1. Healthcare1616.5%
  2. Education and Research77.2%
  3. Consulting55.2%
  4. Financial Services44.1%
  5. Manufacturing44.1%

Countries

  1. USUnited States5960.8%
  2. TRTürkiye55.2%
  3. CACanada44.1%
  4. GBUnited Kingdom33.1%
  5. AUAustralia22.1%
Shares are of this group's confirmed victims.

History.


  1. First confirmed victim listed on its leak site

  2. First seen in Brandefense data

  3. Busiest month on record: 66 confirmed victims

  4. Most recent leak-site post

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.