Ransomware Research
Eternal Ransomware
Eternal is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Eternal
- First Seen
- May 1, 2018
How Eternal Ransomware Works
Targeted Files
NOSAMPLE FAKE (doesn't encrypt)
File Encryption Patterns
Eternal modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..eternalRansom Note and Payment Demands
After encrypting files, Eternal displays ransom notes demanding payment for file recovery:
_YOUR_FILES_GOT_ENCRYPTED_.txtRansom message:
notes/_YOUR_FILES_GOT_ENCRYPTED_.txt
_YOUR_FILES_GOT_ENCRYPTED.vbsRansom message:
notes/_YOUR_FILES_GOT_ENCRYPTED.vbs
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About This Analysis
This Eternal 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 Eternal.
Last updated: July 30, 2025