Ransomware Research
RetMyData Ransomware
RetMyData is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- RetMyData
- First Seen
- December 1, 2018
How RetMyData Ransomware Works
Targeted Files
Full extension of encrypted files -> .recovery_email_[retmydata@protonmail.com]_ID_[FCFABBBE].aes256
File Encryption Patterns
RetMyData modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..aes256Technical Indicators
Associated Executable Files
The following executable files are associated with RetMyData ransomware:
Ransom Crypren.exe
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About This Analysis
This RetMyData 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 RetMyData.
Last updated: July 30, 2025