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Ransomware Research
ChupaCabra Ransomware
ChupaCabra is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Anubis-2021, IndustriaHost.
Quick Facts
- Ransomware Family
- ChupaCabra
- First Seen
- June 1, 2021
- Known Aliases
- Anubis-2021IndustriaHost
How ChupaCabra Ransomware Works
Targeted Files
Encrypts first 0x2000 bytes
File Encryption Patterns
ChupaCabra modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ChupaCabra
..industria_host
Ransom Note and Payment Demands
After encrypting files, ChupaCabra displays ransom notes demanding payment for file recovery:
HowToDecrypt.txt
Ransom message:
notes/HowToDecrypt.txt
Note locations:
Desktop
Ransom message:
notes/HowToDecrypt.txt
Note locations:
OnceOnCompletion
Technical Indicators
Associated Executable Files
The following executable files are associated with ChupaCabra ransomware:
svhost.exe
Anubis.exe
Elastio Can Help You
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About This Analysis
This ChupaCabra 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 ChupaCabra.
Last updated: July 30, 2025