Ransomware Research
YE1337 Ransomware
YE1337 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- YE1337
- First Seen
- January 1, 2025
How YE1337 Ransomware Works
File Encryption Patterns
YE1337 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..YE1337Ransom Note and Payment Demands
After encrypting files, YE1337 displays ransom notes demanding payment for file recovery:
YE1337_read_me.txtRansom message:
notes/YE1337_read_me.txt
Note locations:
EveryFolderRansom message:
notes/z3esw42im.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with YE1337 ransomware:
svchost.exesadasdasdddddddddddddddddddddddddd.exeYE1337.exe
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About This Analysis
This YE1337 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 YE1337.
Last updated: July 30, 2025