Ransomware Research
Byee Ransomware
Byee is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Byee
- First Seen
- October 1, 2023
How Byee Ransomware Works
File Encryption Patterns
Byee modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..byeeRansom Note and Payment Demands
After encrypting files, Byee displays ransom notes demanding payment for file recovery:
read_it-EC.txtRansom message:
notes/read_it-EC.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Byee ransomware:
svchost.exe
Elastio Can Help You
Don't let Byee ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Byee 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 Byee.
Last updated: July 30, 2025