Ransomware Research
HotCoffee Ransomware
HotCoffee is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HotCoffee
- First Seen
- September 1, 2021
How HotCoffee Ransomware Works
File Encryption Patterns
HotCoffee modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..hotcoffeeRansom Note and Payment Demands
After encrypting files, HotCoffee displays ransom notes demanding payment for file recovery:
HOT_COFFEE_README.htaRansom message:
notes/HOT_COFFEE_README.hta
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with HotCoffee ransomware:
HotCoffeeRansomware.exe
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About This Analysis
This HotCoffee 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 HotCoffee.
Last updated: July 30, 2025