Ransomware Research
Rush Ransomware
Rush 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
- Rush
- First Seen
- June 1, 2016
How Rush Ransomware Works
File Encryption Patterns
Rush modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..crashed..c_lockedRansom Note and Payment Demands
After encrypting files, Rush displays ransom notes demanding payment for file recovery:
DECRYPT_FILES.HTMLRansom message:
notes/DECRYPT_FILES.HTML
Note locations:
EveryFolderDECRYPT_YOUR_FILES.HTMLRansom message:
notes/DECRYPT_YOUR_FILES.HTML
Note locations:
EveryFolderElastio Can Help You
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About This Analysis
This Rush 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 Rush.
Last updated: July 30, 2025