FenixLocker Ransomware
FenixLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: FenixLocker, FenixLocker 2.0, FenixLocker NextGen, FenixLocker 2.0.
Quick facts
How FenixLocker ransomware works
File encryption patterns
FenixLocker modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, FenixLocker displays ransom notes demanding payment for file recovery:
notes/Help to decrypt.txt
notes/key to decrypt7.txt
Technical indicators
Associated executable files
The following executable files are associated with FenixLocker ransomware:
- Cryptolocker.exe
- acrobac.exe
- hert.exe
- Cry.exe
- svchost.exe
Recovery and decryption tools
Decryption tools may be available for FenixLocker. Review the resources below:
About this analysis
This FenixLocker 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 FenixLocker.
Last updated: December 30, 2025
Elastio detects FenixLocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify FenixLocker 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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