Ransomware Research
J-Ransomware Ransomware
J-Ransomware is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- J-Ransomware
- First Seen
- July 1, 2017
How J-Ransomware Ransomware Works
Targeted Files
Requires C&C to send encryption key
File Encryption Patterns
J-Ransomware modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..LoveYouRansom Note and Payment Demands
After encrypting files, J-Ransomware displays ransom notes demanding payment for file recovery:
ReadMe.txtRansom message:
notes/ReadMe.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with J-Ransomware ransomware:
J-Ransomware.exej-ransomware.exe
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About This Analysis
This J-Ransomware 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 J-Ransomware.
Last updated: July 30, 2025