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Rancoz

Rancoz is a Windows-targeting ransomware strain first observed in November 2022 that appends the ".rec_rans" extension to encrypted files, considered a Vice Society copycat, deployed against a small number of organizations using double extortion and linked to the same developer as the "Buddy" ransomware.

Victims
6
 
First Discovered
2023-05-05
victim
Last Discovered
2023-09-03
victim
Inactive Since
2yrs
more than
Avg Delay
N/A
attack→claim
Infostealer
0.0%
victims with domain
Countries
0
hit
View Victims on World Map View Group Statistics

Known Locations (1)
Favicon Title Type Available Last Visit Server Info FQDN
favicon Rancoz | Blog No 2026-04-28T07:21:29 ze677xuzard4lx4iul2yzf5ks4gqqzoulgj5u4n5n4bbbsxjbfr7eayd.onion

Target
Top 5 Activity Sectors
  • Manufacturing 3
  • Business Services 1
  • Construction 1
  • Technology 1
Top 5 Countries

Heatmap

Ransom Notes (1)

YARA Rules (1)

Indicators of Compromise (IoCs) (1)
Email 1
Type IOC
Email rec_rans@aol.com

Victims (6)
Logo
Discovered: 2023-09-03 (2y ago)
Manufactures…
Logo
Discovered: 2023-09-03 (2y ago)
Legal Services industry…
Logo
Discovered: 2023-07-07 (2y ago)
Custom Heat Exchanger Manufacturer…
Logo
Discovered: 2023-06-14 (2y ago)
Construction industry…
Logo
Discovered: 2023-05-05 (3y ago)
Electrical Equipment Manufacturing…
Logo
Discovered: 2023-05-05 (3y ago)
Software and services company…