N1N1N1 Ransomware
N1N1N1 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: JPA.
Quick facts
How N1N1N1 ransomware works
File encryption patterns
N1N1N1 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, N1N1N1 displays ransom notes demanding payment for file recovery:
notes/how return files.txt
About this analysis
This N1N1N1 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 N1N1N1.
Last updated: December 30, 2025
Elastio detects N1N1N1 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify N1N1N1 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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