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Inactive · #303 by victimsRansomware group

Yurei

As of Oct 19, 2026, Yurei has listed 3 confirmed victims on its leak site since Sep 5, 2025, 0.0% of all victims tracked by Brandefense. Its most targeted country is Switzerland (33.3% of its victims) and its most targeted sector is Construction.

Yurei is a ransomware group first observed in September 2025 whose payload is a minimally modified fork of the open-source Prince-Ransomware, using ChaCha20 encryption and propagating across SMB shares, primarily targeting food manufacturing, transportation, and IT sectors in Sri Lanka and Nigeria.

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Confirmed Victims
3
Rank By Victims
#303
Last Leak-Site Post
Sep 9, 2025
Top Country
Switzerland
Top Sector
Construction

Victims Posted Per Month.

Yurei confirmed victims per month
MonthConfirmed victims
September 20253
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 Yurei Victims.

Search all 3 →
Latest confirmed leak-site victims claimed by Yurei
VictimCountryIndustryData claimedPosted
noblecorp.net
noblecorp.net
CHSwitzerlandConstruction, ManufacturingNot stated
thepromisenig.com
thepromisenig.com
NGNigeriaUnknownNot stated
midcity.lk
midcity.lk
LKSri LankaUnknownNot stated

How They Operate.

Yurei's threat actor profile lists 20 ATT&CK techniques, 4 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who Yurei Targets.

Sectors

  1. Construction133.3%
  2. Manufacturing133.3%

Countries

  1. CHSwitzerland133.3%
  2. LKSri Lanka133.3%
  3. NGNigeria133.3%
Shares are of this group's confirmed victims.

History.


  1. First seen in Brandefense data

  2. Busiest month on record: 3 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.