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Ransomware Research
Ran_jr_som Ransomware
Ran_jr_som is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2024, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Shadow.
Quick Facts
- Ransomware Family
- Ran_jr_som
- First Seen
- April 1, 2024
- Known Aliases
- Shadow
How Ran_jr_som Ransomware Works
File Encryption Patterns
Ran_jr_som modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..Shadow
Ransom Note and Payment Demands
After encrypting files, Ran_jr_som displays ransom notes demanding payment for file recovery:
readme.txt
Ransom message:
notes/readme.txt
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with Ran_jr_som ransomware:
FaturaDetay_araskargo.com.tr.PDF.exe
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About This Analysis
This Ran_jr_som 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 Ran_jr_som.
Last updated: July 30, 2025