Ransomware Research
Chen_Error Ransomware
Chen_Error is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2015, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Chen_Error
- First Seen
- January 1, 2015
How Chen_Error Ransomware Works
File Encryption Patterns
Chen_Error modifies encrypted files using specific patterns to mark them as encrypted:
Prefixes added to encrypted files:
error_Ransom Note and Payment Demands
After encrypting files, Chen_Error displays ransom notes demanding payment for file recovery:
READ___ME.txtRansom message:
notes/READ___ME.txt
Note locations:
EveryFolderREAD_ME.txtRansom message:
notes/READ_ME.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Chen_Error ransomware:
file-7968687_exetemp.exedyYOxCbE.exe
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About This Analysis
This Chen_Error 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 Chen_Error.
Last updated: July 30, 2025