Ransomware Research

VoidCrypt Ransomware

VoidCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Void, Chaos.

Quick Facts

Ransomware Family
VoidCrypt
First Seen
April 1, 2020
Known Aliases
VoidChaos

How VoidCrypt Ransomware Works

Targeted Files

https://www.bleepingcomputer.com/forums/t/761231/ransomware-kixonw-ada/ https://www.bleepingcomputer.com/forums/t/716761/voidcryptchaos-void-spade-ransomware-support-topic/page-6#entry5286754

File Encryption Patterns

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

File extensions added after encryption:

..Void..Spade..nyan..pepe..Encrypted..ninja..lalaland..Peace..Hidden..bitch..exploit..honor..help..mifr..Sophos..hmmmmmmmm..heirloom..hmmmmm..k2..Snoopdogg..Backup..Extortionist..Acrux..hydra..Dpr..Musk..Revenant..poker..K2..Iwan..lambda..crm..temlown..ADA..wixawm..lilium..killer..Godox..Joker

Ransom Note and Payment Demands

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

fileDecryption-Info.HTA

Ransom message:

notes/Decryption-Info.HTA

Note locations:

EveryFolder
fileRead-For-Decrypt.HTA

Ransom message:

notes/Read-For-Decrypt.HTA

Note locations:

EveryFolder
file!INFO.HTA

Ransom message:

notes/!INFO.HTA

Note locations:

EveryFolder
fileDecrypt-me.txt

Ransom message:

notes/Decrypt-me.txt

Note locations:

Desktop
fileRead-this.txt

Ransom message:

notes/Read-this.txt
fileread-me.txt

Ransom message:

notes/read-me.txt
fileDecryption-Guide.txt

Ransom message:

notes/Decryption-Guide.txt

Note locations:

EveryFolder
fileDecryption-Guide.HTA

Ransom message:

notes/Decryption-Guide.HTA

Note locations:

EveryFolder
fileopenFiles.txt

Technical Indicators

Associated Executable Files

The following executable files are associated with VoidCrypt ransomware:

  • 1.png
  • stevenxx134@gmail.com.exe
  • setting system.exe
  • decoderma@tutanota.com.exe
  • decrypterfile@mailfence.com.exe
  • VoidDeceryptor@tutanota.com.exe
  • dwm.exe
  • recover10@tutanota.com.exe
  • LOL.exe
  • Openfileyou@protonmail.com.exe
  • wyooy@aol.com.exe
  • xsmaxs@tutanota.com.exe
  • software.exe
  • Amnesia.exe
  • file.exe
  • Taleb.Ransom.exe
  • marcosmelborn@aol.com.exe

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About This Analysis

This VoidCrypt 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 VoidCrypt.

Last updated: July 30, 2025

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