Ransomware Research

AvastVirusinfo Ransomware

AvastVirusinfo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
AvastVirusinfo
First Seen
March 1, 2017

How AvastVirusinfo Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

./\.\w{8}$/./\.\w{24}$/

Ransom Note and Payment Demands

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

fileКАК РАСШИФРОВАТЬ ФАЙЛЫ.txt

Ransom message:

notes/КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt
fileHOW TO DECRYPT FILES.txt

Ransom message:

notes/HOW TO DECRYPT FILES.txt

Technical Indicators

Associated Executable Files

The following executable files are associated with AvastVirusinfo ransomware:

  • Setup.exe
  • Use.exe

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About This Analysis

This AvastVirusinfo 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 AvastVirusinfo.

Last updated: September 30, 2025

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