Ransomware Research
Shuriken Ransomware
Shuriken is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Shuriken
- First Seen
- December 1, 2023
How Shuriken Ransomware Works
Targeted Files
Full encrypted file name -> [decryption@msgsafe.io][C63F241F]magic.mgc.Shuriken
File Encryption Patterns
Shuriken modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ShurikenPrefixes added to encrypted files:
[decryption@msgsafe.io]Ransom Note and Payment Demands
After encrypting files, Shuriken displays ransom notes demanding payment for file recovery:
READ-ME-SHURKEWIN.txtRansom message:
notes/READ-ME-SHURKEWIN.txt
Note locations:
EveryFolderRansom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with Shuriken ransomware:
svchost.exeShurikenwinlogon.exe
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About This Analysis
This Shuriken 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 Shuriken.
Last updated: July 30, 2025