Ransomware Research
BTCWare-Aleta Ransomware
BTCWare-Aleta is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Aleta.
Quick Facts
- Ransomware Family
- BTCWare-Aleta
- First Seen
- July 1, 2017
- Known Aliases
- Aleta
How BTCWare-Aleta Ransomware Works
Targeted Files
Full extension -> .[black.block@qq.com].aleta https://www.bleepingcomputer.com/forums/t/651857/help-recovered-files-averiaswqqcomaleta/
File Encryption Patterns
BTCWare-Aleta modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..aletaRansom Note and Payment Demands
After encrypting files, BTCWare-Aleta displays ransom notes demanding payment for file recovery:
!#_READ_ME_#!.infRansom message:
notes/!#_READ_ME_#!.inf
Note locations:
EveryFolder!#_READ_ME_#!.txt!#_READ_ME_#!.htaRansom message:
notes/!#_READ_ME_#!.hta
Note locations:
EveryFolderInfo.htaRansom message:
notes/1.png
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with BTCWare-Aleta ransomware:
darkwaiderr@cock.li.ex_darkwaiderr@cock.li.exe2.exeSMSCHAT.EXE.%5BBLACK.MIRROR%40QQ.COM%5D.ALETA
Recovery and Decryption Tools
Good news! Decryption tools are available for BTCWare-Aleta ransomware:
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About This Analysis
This BTCWare-Aleta 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 BTCWare-Aleta.
Last updated: July 30, 2025