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Inactive · #190 by victimsRansomware group

Cheers

As of Oct 19, 2026, Cheers has listed 16 confirmed victims on its leak site since Jul 11, 2025, 0.0% of all victims tracked by Brandefense. Its most targeted country is United Kingdom (6.2% of its victims) and its most targeted sector is Financial Services.

Cheers is a Linux-based ransomware group that emerged in 2022, built on leaked Babuk source code and specializing in attacks against VMware ESXi servers, running a double-extortion leak site with four documented victims.

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Confirmed Victims
16
Rank By Victims
#190
Last Leak-Site Post
Jul 11, 2025
Top Country
United Kingdom
Top Sector
Financial Services

Victims Posted Per Month.

Cheers confirmed victims per month
MonthConfirmed victims
July 202516
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 Cheers Victims.

Search all 16 →
Latest confirmed leak-site victims claimed by Cheers
VictimCountryIndustryData claimedPosted
Hudson Contract
hudsoncontract.co.uk
GBUnited KingdomFinancial Services120 GB
Güreli Yeminli Mali Müşavirlik
gureli.com.tr
TRTürkiyeFinancial Services, Consulting4800 GB
An Japan Game Halls OperatorUnknownUnknownNot stated
DYNAM JAPAN HOLDINGS CO., LTDUnknownUnknownNot stated
An British Financial Company -PublicUnknownUnknownNot stated
An Insurance Company -PaidUnknownUnknownNot stated

How They Operate.

Cheers's threat actor profile lists 2 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who Cheers Targets.

Sectors

  1. Financial Services212.5%
  2. Consulting16.2%

Countries

  1. GBUnited Kingdom16.2%
  2. TRTürkiye16.2%
Shares are of this group's confirmed victims.

History.


  1. First seen in Brandefense data

  2. Busiest month on record: 16 confirmed victims

  3. First confirmed victim listed on its leak site

  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.