Chinese Coffee Ransomware
Chinese Coffee is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2022, this ransomware has been actively targeting systems worldwide.
Quick facts
How Chinese Coffee ransomware works
File encryption patterns
Chinese Coffee modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Chinese Coffee displays ransom notes demanding payment for file recovery:
notes/请阅读我.RSA.txt
Technical indicators
Associated executable files
The following executable files are associated with Chinese Coffee ransomware:
- Updater.exe
- csrts.exe
- updater.exe
- Myou.dll
About this analysis
This Chinese Coffee ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Chinese Coffee.
Last updated: December 30, 2025
Elastio detects Chinese Coffee inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Chinese Coffee across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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