Ransomware Research
Banks1 Ransomware
Banks1 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Banks1
- First Seen
- May 1, 2020
How Banks1 Ransomware Works
File Encryption Patterns
Banks1 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..banks1Ransom Note and Payment Demands
After encrypting files, Banks1 displays ransom notes demanding payment for file recovery:
ReadMe.txtRansom message:
notes/ReadMe.txt
Note locations:
EveryFolderinfo.htaRansom message:
notes/info.hta
Note locations:
StartUpTechnical Indicators
Associated Executable Files
The following executable files are associated with Banks1 ransomware:
ransom.exe555727610.exe
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About This Analysis
This Banks1 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 Banks1.
Last updated: October 30, 2025
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