NanoLocker Ransomware
NanoLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
Ransom note and payment demands
After encrypting files, NanoLocker displays ransom notes demanding payment for file recovery:
notes/note.txt
notes/ATTENTION.RTF
Technical indicators
Associated executable files
The following executable files are associated with NanoLocker ransomware:
- lansrv.exe
About this analysis
This NanoLocker 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 NanoLocker.
Last updated: December 30, 2025
Elastio detects NanoLocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify NanoLocker 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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