Ransomware Research

SparkLocker Ransomware

SparkLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2025, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
SparkLocker
First Seen
June 1, 2025

How SparkLocker Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..spark

Ransom Note and Payment Demands

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

fileOPENME.txt

Ransom message:

notes/OPENME.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/hczx7iynw.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with SparkLocker ransomware:

  • audiodg.exe

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About This Analysis

This SparkLocker 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 SparkLocker.

Last updated: July 30, 2025

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