Ransomware Research
LK Encryption Ransomware
LK Encryption 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
- LK Encryption
- First Seen
- March 1, 2017
How LK Encryption Ransomware Works
Targeted Files
Current samples create ransom note in "D:\\test" folder
File Encryption Patterns
LK Encryption modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, LK Encryption displays ransom notes demanding payment for file recovery:
READ_IT.txtRansom message:
notes/READ_IT.txt
HELLO_FROM_HACKER.txtRansom message:
notes/READ_IT.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with LK Encryption ransomware:
EncryptTest.exeEncrypt.exe
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About This Analysis
This LK Encryption 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 LK Encryption.
Last updated: July 30, 2025