Ransomware Research
Jemd Ransomware
Jemd is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Jemd
- First Seen
- December 1, 2018
How Jemd Ransomware Works
Targeted Files
https://app.any.run/tasks/b75376d8-9cb1-4c79-bbfb-f02bcc3a66bb/ Stripes encryption (16 bytes), skips first 16 (valid header)
File Encryption Patterns
Jemd modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[A-Za-z]{5}$/Ransom Note and Payment Demands
After encrypting files, Jemd displays ransom notes demanding payment for file recovery:
Recovery.TXTRansom message:
notes/Recovery.TXT
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Jemd ransomware:
Jemd.exeProject2(3).exeProject2.exeProject.exeJemd2.exeProject2(2).exe
Elastio Can Help You
Don't let Jemd ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Jemd 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 Jemd.
Last updated: July 30, 2025