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
How WildFire ransomware works
File encryption patterns
WildFire modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, WildFire displays ransom notes demanding payment for file recovery:
notes/Note_TXT.txt
notes/Note_HTML.html
Technical indicators
Associated executable files
The following executable files are associated with WildFire ransomware:
- WildFire V1.exe
- 555.exe
- WildFire Locker
- Factuur_07_2016_00043823115-00043211952.pdf.exe
Recovery and decryption tools
Decryption tools may be available for WildFire. Review the resources below:
About this analysis
This WildFire 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 WildFire.
Last updated: December 30, 2025
Elastio detects WildFire inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify WildFire 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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