Ransomware Research
Redkeeper Ransomware
Redkeeper is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Redkeeper
- First Seen
- June 1, 2019
How Redkeeper Ransomware Works
Targeted Files
Written in Python (PyInstaller); Second (encrypted){original filename}.extension Destroys files (errors in Python code)
File Encryption Patterns
Redkeeper modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..WNCRY..PCCyborg..NEVER..GONNA..GIVE..YOU..UPPrefixes added to encrypted files:
(encrypted)Ransom Note and Payment Demands
After encrypting files, Redkeeper displays ransom notes demanding payment for file recovery:
RTFM.txtRansom message:
notes/RTFM.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Redkeeper ransomware:
352266.exeredkeeper.exe1.exe
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About This Analysis
This Redkeeper 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 Redkeeper.
Last updated: July 30, 2025