Ransomware Research

Blind-Napoleon Ransomware

Blind-Napoleon is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Blind 2.

Quick facts

Ransomware Family
Blind-Napoleon
First Seen
December 1, 2017
Known Aliases
Blind 2

How Blind-Napoleon ransomware works

File encryption patterns

Blind-Napoleon modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.napoleon.skeleton.blind2

Ransom note and payment demands

After encrypting files, Blind-Napoleon displays ransom notes demanding payment for file recovery:

fileHow_Decrypt_Files.hta
notes/How_Decrypt_Files.hta
Location: EveryFolder
fileHow_Decrypt_Files.txt
notes/How_Decrypt_Files.txt
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Blind-Napoleon ransomware:

About this analysis

This Blind-Napoleon 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 Blind-Napoleon.

Last updated: December 30, 2025

Detection coverage

Elastio detects Blind-Napoleon inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Blind-Napoleon 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.

See How the Hunt Engine WorksRequest a Demo

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