Ransomware Research

Slam Ransomware

Slam is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Slam
First Seen
June 1, 2021

How Slam Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..SLAM

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Technical Indicators

Associated Executable Files

The following executable files are associated with Slam ransomware:

  • WindowsFormsApp1.exe

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About This Analysis

This Slam 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 Slam.

Last updated: July 30, 2025

Slam Ransomware - Detectable by Elastio