Ransomware Research
JCoder Ransomware
JCoder is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- JCoder
- First Seen
- August 1, 2017
How JCoder Ransomware Works
File Encryption Patterns
JCoder modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..MTC-2K
..MTC
Ransom Note and Payment Demands
After encrypting files, JCoder displays ransom notes demanding payment for file recovery:
{origin_foldername}.WanaCry 2.ini
Ransom message:
notes/Sample videosWanaCry 2.ini
Note locations:
EveryFolder
WanaCry.txt
Ransom message:
notes/WanaCry.txt
Note locations:
EveryFolder
Technical Indicators
Associated Executable Files
The following executable files are associated with JCoder ransomware:
shosvt.exe
Facebooke hacking email.exe
Elastio Can Help You
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About This Analysis
This JCoder 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 JCoder.
Last updated: July 30, 2025