Ransomware Research
Russian EDA2 Ransomware
Russian EDA2 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Russian EDA2
- First Seen
- June 1, 2016
How Russian EDA2 Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Russian EDA2 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, Russian EDA2 displays ransom notes demanding payment for file recovery:
README.htmlRansom message:
notes/README.html.txt
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About This Analysis
This Russian EDA2 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 Russian EDA2.
Last updated: July 30, 2025