Ransomware Research
FrozrLock Ransomware
FrozrLock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: AutoDecrypt.
Quick Facts
- Ransomware Family
- FrozrLock
- First Seen
- April 1, 2017
- Known Aliases
- AutoDecrypt
How FrozrLock Ransomware Works
Targeted Files
Requires C&C Current sample is protected with ConfuserEx
Ransom Note and Payment Demands
After encrypting files, FrozrLock displays ransom notes demanding payment for file recovery:
READ_ME.txtRansom message:
notes/READ_ME.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with FrozrLock ransomware:
Locker.exeWANTMYFILES ransomware (4)contract.exeContract_Sign_393487329743.pdf.exedata.bin
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About This Analysis
This FrozrLock 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 FrozrLock.
Last updated: July 30, 2025