Ransomware Research

7zipper Ransomware

7zipper is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
7zipper
First Seen
January 1, 2017

How 7zipper ransomware works

File encryption patterns

7zipper modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.7zipper

Ransom note and payment demands

After encrypting files, 7zipper displays ransom notes demanding payment for file recovery:

fileSaiba como recuperar seus arquivos.txt
notes/Saiba como recuperar seus arquivos.txt
Location: EveryFolder

About this analysis

This 7zipper 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 7zipper.

Last updated: December 30, 2025

Detection coverage

Elastio detects 7zipper inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify 7zipper 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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