Ransomware Research
MetadataBin Ransomware
MetadataBin is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Ransomware32.
Quick Facts
- Ransomware Family
- MetadataBin
- First Seen
- October 1, 2020
- Known Aliases
- Ransomware32
How MetadataBin Ransomware Works
File Encryption Patterns
MetadataBin modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
._encryptedRansom Note and Payment Demands
After encrypting files, MetadataBin displays ransom notes demanding payment for file recovery:
README_encrypted.txtRansom message:
notes/README_encrypted.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with MetadataBin ransomware:
ransomware.exeransomware.binransomware32.exeransomware32.bin.exehptestu.exe
Elastio Can Help You
Don't let MetadataBin ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This MetadataBin 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 MetadataBin.
Last updated: July 30, 2025