Ransomware Research
KillerLocker Ransomware
KillerLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- KillerLocker
- First Seen
- March 1, 2017
How KillerLocker Ransomware Works
Targeted Files
Encrypts only some files on the Desktop
File Encryption Patterns
KillerLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ripRansom Note and Payment Demands
After encrypting files, KillerLocker displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with KillerLocker ransomware:
KillerLocker.exe
Elastio Can Help You
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About This Analysis
This KillerLocker 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 KillerLocker.
Last updated: July 30, 2025