Ransomware Research
Spyro Ransomware
Spyro 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
- Spyro
- First Seen
- June 1, 2021
How Spyro Ransomware Works
File Encryption Patterns
Spyro modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..SpyroRansom Note and Payment Demands
After encrypting files, Spyro displays ransom notes demanding payment for file recovery:
Decrypt-info.txtRansom message:
notes/Decrypt-info.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Spyro ransomware:
Windows Session Manager.exeSvHost-3.exe
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About This Analysis
This Spyro 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 Spyro.
Last updated: July 30, 2025