Ransomware Research
Punisher Ransomware
Punisher is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Punisher
- First Seen
- June 1, 2021
How Punisher Ransomware Works
Targeted Files
Doesn't change filenames
Ransom Note and Payment Demands
After encrypting files, Punisher displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
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About This Analysis
This Punisher 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 Punisher.
Last updated: July 30, 2025