Ransomware Research

FORMA Ransomware

FORMA is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2018, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
FORMA
First Seen
December 1, 2018

How FORMA Ransomware Works

File Encryption Patterns

FORMA 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, FORMA displays ransom notes demanding payment for file recovery:

fileODSZYFRFUJ_PLIKI_TERAZ.txt

Ransom message:

notes/ODSZYFRFUJ_PLIKI_TERAZ.txt

Note locations:

Desktop
message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Technical Indicators

Associated Executable Files

The following executable files are associated with FORMA ransomware:

  • cf9bbf4dd37dfaa787877dd6b07940c7.bat
  • blessing.bat
  • FORMA.exe

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About This Analysis

This FORMA 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 FORMA.

Last updated: July 30, 2025

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