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