Ransomware Research

BugWare Ransomware

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

Quick Facts

Ransomware Family
BugWare
First Seen
October 1, 2017

How BugWare Ransomware Works

Targeted Files

Requires C&C 9b3dad230f7a2eb2f8702982a91bd2d5626986cb89b9349b9e8f2aeaf891660a -> OK Full extension -> .[SLAVIC@SECMAIL.PRO].BUGWARE -> AF-O15552-F1.cif.zip.[MAXVISION@SECMAIL.PRO].CRIPTOGRAFADO

File Encryption Patterns

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

File extensions added after encryption:

..CRIPTOGRAFADO..BUGWARE

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

Login
screenshot

Ransom message:

notes/bw.png

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with BugWare ransomware:

  • doc_2017100200000-15.pdf.exe
  • VID506604042.exe
  • boleto-atualizado-7852.exe
  • boleto-atualizado-7853.docx.scr

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About This Analysis

This BugWare 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 BugWare.

Last updated: July 30, 2025

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