Ransomware Research
Erebus Ransomware
Erebus is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Erebus
- First Seen
- September 1, 2016
How Erebus Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Erebus modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ecryptRansom Note and Payment Demands
After encrypting files, Erebus displays ransom notes demanding payment for file recovery:
YOUR_FILES_HAS_BEEN_ENCRYPTED.txtRansom message:
notes/YOUR_FILES_HAS_BEEN_ENCRYPTED.txt
YOUR_FILES_HAS_BEEN_ENCRYPTED.htmlElastio Can Help You
Don't let Erebus ransomware take over your data
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About This Analysis
This Erebus 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 Erebus.
Last updated: July 30, 2025