Ransomware Research
Decryption Assistant Ransomware
Decryption Assistant is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Decryption Assistant
- First Seen
- May 1, 2017
How Decryption Assistant Ransomware Works
File Encryption Patterns
Decryption Assistant modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..pwnedRansom Note and Payment Demands
After encrypting files, Decryption Assistant displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with Decryption Assistant ransomware:
FlashPlayerUpdate.exe
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About This Analysis
This Decryption Assistant 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 Decryption Assistant.
Last updated: July 30, 2025