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notes/note.txt
Location: OnceOnCompletion
Ransomware Research
ByeData Ransomware
ByeData is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- ByeData
- First Seen
- June 1, 2025
How ByeData ransomware works
File modification behavior
ByeData updates file modification timestamps after encryption.
File encryption patterns
ByeData modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .locked
Ransom note and payment demands
After encrypting files, ByeData displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with ByeData ransomware:
- ByeData.exe
About this analysis
This ByeData 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 ByeData.
Detection coverage
Elastio detects ByeData inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify ByeData across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.