Ransomware Research
WildFire Ransomware
WildFire is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- WildFire
- First Seen
- June 1, 2016
How WildFire Ransomware Works
Targeted Files
https://www.hybrid-analysis.com/sample/642c9da844d3488c7d3fd99170626ac01b1fbc1616884ac9566468e88d3b4bd5/577fe36faac2edc21983d059 Requires C&C
File Encryption Patterns
WildFire modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..wflxRansom Note and Payment Demands
After encrypting files, WildFire displays ransom notes demanding payment for file recovery:
/\bHOW_TO_UNLOCK_FILES_README_\(\w+\)\.txt\b/Ransom message:
notes/Note_TXT.txt
/\bHOW_TO_UNLOCK_FILES_README_\(\w+\)\.html\b/Ransom message:
notes/Note_HTML.html
Technical Indicators
Associated Executable Files
The following executable files are associated with WildFire ransomware:
WildFire V1.exe555.exeWildFire LockerFactuur_07_2016_00043823115-00043211952.pdf.exe
Recovery and Decryption Tools
Good news! Decryption tools are available for WildFire ransomware:
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About This Analysis
This WildFire 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 WildFire.
Last updated: July 30, 2025