Ransomware Research

D3adCrypt Ransomware

D3adCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2022, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: D3adCrypt.

Quick Facts

Ransomware Family
D3adCrypt
First Seen
March 1, 2022
Known Aliases
D3adCrypt

How D3adCrypt Ransomware Works

File Encryption Patterns

D3adCrypt modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..d3ad

Ransom Note and Payment Demands

After encrypting files, D3adCrypt displays ransom notes demanding payment for file recovery:

filed3ad_Help.hta

Ransom message:

notes/d3ad_Help.hta

Note locations:

RootDiscs
filed3ad_Help.txt

Ransom message:

notes/d3ad_Help.txt

Note locations:

RootDiscs

Technical Indicators

Associated Executable Files

The following executable files are associated with D3adCrypt ransomware:

  • test.exe

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About This Analysis

This D3adCrypt 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 D3adCrypt.

Last updated: July 30, 2025