Princess Locker Ransomware
Princess Locker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Princess.
Quick facts
How Princess Locker ransomware works
File encryption patterns
Princess Locker modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Princess Locker displays ransom notes demanding payment for file recovery:
notes/ !_HOW_TO_RESTORE_12qwR.txt
Technical indicators
Associated executable files
The following executable files are associated with Princess Locker ransomware:
- Built object-Does dawn
- PrincessLocker.exe
- RxWis.exe
- PrincessLocker..exe
- PrincessLocker....exe
- Princess.exe
- princess.dll
Recovery and decryption tools
Decryption tools may be available for Princess Locker. Review the resources below:
About this analysis
This Princess Locker 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 Princess Locker.
Last updated: December 30, 2025
Elastio detects Princess Locker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Princess Locker 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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