Ransomware Research

Deadnet Ransomware

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

Quick Facts

Ransomware Family
Deadnet
First Seen
August 1, 2023

How Deadnet Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..deadnet26

Ransom Note and Payment Demands

After encrypting files, Deadnet 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 Deadnet ransomware:

  • DN26.exe

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About This Analysis

This Deadnet 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 Deadnet.

Last updated: October 30, 2025

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