Ransomware Research
Stolen Ransomware
Stolen is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Stolen
- First Seen
- February 1, 2023
How Stolen Ransomware Works
Targeted Files
Full extension -> .[decrypt2023@outlook.com].stolen
File Encryption Patterns
Stolen modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..stolenRansom Note and Payment Demands
After encrypting files, Stolen displays ransom notes demanding payment for file recovery:
+README-WARNING+.txtRansom message:
notes/+README-WARNING+.txt
Note locations:
EveryFolderRansom message:
notes/7742.tmp.bmp
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Stolen ransomware:
Stolen (Makop)stolen_visual.exe
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About This Analysis
This Stolen ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Stolen.
Last updated: July 30, 2025