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
How Banks1 ransomware works
File encryption patterns
Banks1 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Banks1 displays ransom notes demanding payment for file recovery:
notes/ReadMe.txt
notes/info.hta
Technical indicators
Associated executable files
The following executable files are associated with Banks1 ransomware:
- ransom.exe
- 555727610.exe
About this analysis
This Banks1 ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Banks1.
Last updated: December 30, 2025
Elastio detects Banks1 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Banks1 across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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