Ransomware Research
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
- Ransomware Family
- N1N1N1
- First Seen
- September 1, 2016
- Known Aliases
- JPA
How N1N1N1 Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
N1N1N1 modifies encrypted files using specific patterns to mark them as encrypted:
Prefixes added to encrypted files:
jpa.Ransom Note and Payment Demands
After encrypting files, N1N1N1 displays ransom notes demanding payment for file recovery:
decipher.txtdecipher.htmlhow return files.txtRansom message:
notes/how return files.txt
Note locations:
EveryFolderhow return files.htmlNote locations:
EveryFolderwhy files renamed.txtElastio Can Help You
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About This Analysis
This N1N1N1 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 N1N1N1.
Last updated: July 30, 2025