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Ransomware Research
PClock3 Ransomware
PClock3 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: SuppTeam.
Quick Facts
- Ransomware Family
- PClock3
- First Seen
- November 1, 2016
- Known Aliases
- SuppTeam
How PClock3 Ransomware Works
Targeted Files
http://www.bleepingcomputer.com/forums/f/239/ransomware-help-tech-support Requires C&C Written in Visual Basic, encrypted and packed to NSIS https://www.hybrid-analysis.com/sample/bda316616f19691c1cc65c3f3acc332f54cd2ab4c0eb0d670c0fc228640ff87c?environmentId=100 https://www.bleepingcomputer.com/news/security/old-cryptolocker-copycat-named-pclock-resurfaces-with-new-attacks/
Ransom Note and Payment Demands
After encrypting files, PClock3 displays ransom notes demanding payment for file recovery:
/\bYour files are locked !+\.txt\b/
Ransom message:
notes/note.txt
Note locations:
Desktop
Ransom message:
notes/note.txt
Note locations:
Login
Technical Indicators
Associated Executable Files
The following executable files are associated with PClock3 ransomware:
sysras.exe
tmpa4f5.exe
Elastio Can Help You
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About This Analysis
This PClock3 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 PClock3.
Last updated: July 30, 2025