Ransomware Research

GonaCry Ransomware

GonaCry is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
GonaCry
First Seen
January 1, 2023

How GonaCry Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

./\.[a-z0-9]{4}$/

Ransom Note and Payment Demands

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

fileread_it.txt

Ransom message:

notes/read_it.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/qg8zqnr36.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with GonaCry ransomware:

  • GonaCry.exe
  • svchost.exe
  • gonacry.exe

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About This Analysis

This GonaCry 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 GonaCry.

Last updated: July 30, 2025