Ransomware Research

Payuransom Ransomware

Payuransom is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Payuransom
First Seen
March 1, 2024

How Payuransom Ransomware Works

Targeted Files

replaces contents with zeros

File Encryption Patterns

Payuransom modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..payuransom

Ransom Note and Payment Demands

After encrypting files, Payuransom displays ransom notes demanding payment for file recovery:

fileReadMeForDecrypt.txt

Ransom message:

notes/ReadMeForDecrypt.txt

Note locations:

EveryFolder
fileSkynetData.txt

Ransom message:

notes/SkynetData.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/7s8e3cxd3.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Payuransom ransomware:

  • test.exe
  • svchost.exe
  • ftnexe.exe
  • svchost.exe

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About This Analysis

This Payuransom 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 Payuransom.

Last updated: July 30, 2025

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