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
How Pay-or-Lost ransomware works
File encryption patterns
Pay-or-Lost modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Pay-or-Lost displays ransom notes demanding payment for file recovery:
notes/note.txt
notes/hythty
Technical indicators
Associated executable files
The following executable files are associated with Pay-or-Lost ransomware:
- $safeprojectname$.exe
- Panduan_Kemaskini.doc
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, helping organizations defend against and recover from ransomware attacks like Pay-or-Lost.
Last updated: December 30, 2025
Elastio detects Pay-or-Lost inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Pay-or-Lost across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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