Ransomware Research
Pay-or-Lost Ransomware
Pay-or-Lost is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Pay-or-Lost
- First Seen
- September 1, 2019
How Pay-or-Lost Ransomware Works
File Encryption Patterns
Pay-or-Lost modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..kkkRansom Note and Payment Demands
After encrypting files, Pay-or-Lost displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionhythtyRansom message:
notes/hythty
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Pay-or-Lost ransomware:
$safeprojectname$.exePanduan_Kemaskini.doc
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About This Analysis
This Pay-or-Lost 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 Pay-or-Lost.
Last updated: July 30, 2025