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
How VoidCrypt ransomware works
File encryption patterns
VoidCrypt modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, VoidCrypt displays ransom notes demanding payment for file recovery:
notes/Decryption-Info.HTA
notes/Read-For-Decrypt.HTA
notes/!INFO.HTA
notes/Decrypt-me.txt
notes/Read-this.txt
notes/read-me.txt
notes/Decryption-Guide.txt
notes/Decryption-Guide.HTA
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
About this analysis
This VoidCrypt ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like VoidCrypt.
Last updated: December 30, 2025
Elastio detects VoidCrypt inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify VoidCrypt across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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