Ransomware Research
Thor Ransomware
Thor 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
- Thor
- First Seen
- May 1, 2017
How Thor Ransomware Works
Targeted Files
Encrypts only %USERPROFILE%\Desktop\thorf\oringal BankStatements------.txt file in the %MUSIC% folder Looks like the current sample WIP
Ransom Note and Payment Demands
After encrypting files, Thor displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionRansom message:
notes/BACKROUND.png
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Thor ransomware:
Thor Ransomware.exe
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About This Analysis
This Thor 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 Thor.
Last updated: July 30, 2025