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Ransomware Research
Shutdown57 Ransomware
Shutdown57 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Shutdown57
- First Seen
- August 1, 2017
How Shutdown57 Ransomware Works
Targeted Files
NOSAMPLE For web-sites
File Encryption Patterns
Shutdown57 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..shutdown57
Ransom Note and Payment Demands
After encrypting files, Shutdown57 displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
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About This Analysis
This Shutdown57 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 Shutdown57.
Last updated: July 30, 2025