Ransomware Research

Skynetlock Ransomware

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

Quick Facts

Ransomware Family
Skynetlock
First Seen
April 1, 2023

How Skynetlock Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..skynetlock

Ransom Note and Payment Demands

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

fileHow_to_back_files.html

Ransom message:

notes/How_to_back_files.html

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Skynetlock ransomware:

  • SL.exe

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About This Analysis

This Skynetlock 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 Skynetlock.

Last updated: July 30, 2025