Ransomware Research
Pico Ransomware
Pico is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Pico
- First Seen
- September 1, 2018
How Pico Ransomware Works
File Encryption Patterns
Pico modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..picocode#8523..PICORansom Note and Payment Demands
After encrypting files, Pico displays ransom notes demanding payment for file recovery:
README.txtRansom message:
notes/README.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Pico ransomware:
_).bin
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About This Analysis
This Pico 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 Pico.
Last updated: July 30, 2025