Ransomware Research
BitPyLock Ransomware
BitPyLock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: BitPyLock Doxware.
Quick Facts
- Ransomware Family
- BitPyLock
- First Seen
- December 1, 2018
- Known Aliases
- BitPyLock Doxware
How BitPyLock Ransomware Works
File Encryption Patterns
BitPyLock modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..bitpy..andradegalvaoRansom Note and Payment Demands
After encrypting files, BitPyLock displays ransom notes demanding payment for file recovery:
# HELP_TO_DECRYPT_YOUR_FILES #.htmlRansom message:
notes/# HELP_TO_DECRYPT_YOUR_FILES #.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with BitPyLock ransomware:
outProgram.exe274011aaa97fd1.exeNetwork.exeagent.exeeasy.exe
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About This Analysis
This BitPyLock 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 BitPyLock.
Last updated: July 30, 2025