Ransomware Research
Alvaro Ransomware
Alvaro is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Alvaro
- First Seen
- September 1, 2023
How Alvaro Ransomware Works
Targeted Files
Full extension -> .EMAIL = [alvarodecrypt@gmail.com]ID = [89165].alvaro
File Encryption Patterns
Alvaro modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..alvaroRansom Note and Payment Demands
After encrypting files, Alvaro displays ransom notes demanding payment for file recovery:
FILE ENCRYPTED.txtRansom message:
notes/FILE ENCRYPTED.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Alvaro ransomware:
f0.exehardware.exe
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About This Analysis
This Alvaro 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 Alvaro.
Last updated: July 30, 2025