Ransomware Research

Project57 Ransomware

Project57 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2012, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Project57
First Seen
August 1, 2012

How Project57 Ransomware Works

Targeted Files

9b2c8b8c4cec301c4303f58ca4e8b261d516f10feb24573b092dfccc263baea4 -> not malicious (php5ts.dll)

File Encryption Patterns

Project57 modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..костя баранин

Ransom Note and Payment Demands

After encrypting files, Project57 displays ransom notes demanding payment for file recovery:

fileDECRYPT.HTML

Ransom message:

notes/DECRYPT.HTML

Note locations:

Desktop
fileDECRYPT.TXT

Ransom message:

notes/DECRYPT.TXT

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Project57 ransomware:

  • Attachment.rar
  • Project57(1).exe
  • 88.exe
  • Sample.exe
  • Project57.exe

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About This Analysis

This Project57 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 Project57.

Last updated: July 30, 2025

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