Ransomware Research

Negozl Ransomware

Negozl is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: NegozI.

Quick facts

Ransomware Family
Negozl
First Seen
June 1, 2016
Known Aliases
NegozI

How Negozl ransomware works

File encryption patterns

Negozl modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.evil

Ransom note and payment demands

After encrypting files, Negozl displays ransom notes demanding payment for file recovery:

filedecrypt_your_files.txt
notes/decrypt_your_files.txt
fileDECRYPT_YOUR_FILES.HTML
notes/DECRYPT_YOUR_FILES.HTML
Location: EveryFolder

About this analysis

This Negozl 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 Negozl.

Last updated: December 30, 2025

Detection coverage

Elastio detects Negozl inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Negozl 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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