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 modification behavior

BitPyLock updates file modification timestamps after encryption.

File encryption patterns

BitPyLock modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .bitpy
  • .andradegalvao

Ransom note and payment demands

After encrypting files, BitPyLock displays ransom notes demanding payment for file recovery:

file# HELP_TO_DECRYPT_YOUR_FILES #.html
notes/# HELP_TO_DECRYPT_YOUR_FILES #.html

Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with BitPyLock ransomware:

  • out
  • Program.exe
  • 274011aaa97fd1.exe
  • Network.exe
  • agent.exe
  • easy.exe

About this analysis

This BitPyLock 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 BitPyLock.

Last updated: October 12, 2022

Detection coverage

Elastio detects BitPyLock inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify BitPyLock 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.