Ransomware Research

Zelta Free Ransomware

Zelta Free is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Zelta Free
First Seen
May 1, 2017

How Zelta Free Ransomware Works

Targeted Files

Destroys the content of the files

File Encryption Patterns

Zelta Free modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..locked

Ransom Note and Payment Demands

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

fileHow to recover my files.txt

Ransom message:

notes/How to recover my files.txt

Note locations:

Desktop
message

Ransom message:

notes/note.txt

Note locations:

Login

Technical Indicators

Associated Executable Files

The following executable files are associated with Zelta Free ransomware:

  • Zelta - Free Ransomware.exe
  • B289998E696263EDF2B694E43BBE81B738196EFDCE6D7D571C389868D8BF5D66792A4EA5A72EE13C592E10FD7E2DBE6668B0825DA58D75E5A2455AC69CB29BDB
  • trash
  • 1.exe

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About This Analysis

This Zelta Free 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 Zelta Free.

Last updated: July 30, 2025