Ransomware Research
Eternity Ransomware
Eternity is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Eternity
- First Seen
- December 1, 2017
How Eternity Ransomware Works
Targeted Files
55bf0aa9c3d746b8e47635c2eae2acaf77b4e65f3e6cbd8c51f6b657cdca4c91 -> Doesn't change filenames
File Encryption Patterns
Eternity modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..eTeRnItY..ecrpRansom Note and Payment Demands
After encrypting files, Eternity displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionRansom message:
notes/note1.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with Eternity ransomware:
7zipInstall.exelbcr.exe123.exe
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About This Analysis
This Eternity 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 Eternity.
Last updated: July 30, 2025