Ransomware Research

Stroman Ransomware

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

Quick facts

Ransomware Family
Stroman
First Seen
October 1, 2017

How Stroman ransomware works

File encryption patterns

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

Extensions added after encryption
.stroman.protos.fat32.gigahertz.insta.like

Ransom note and payment demands

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

filereadinfo.txt
notes/readinfo.txt
fileinfo.txt
notes/info.txt
filefilesinfo.txt
notes/filesinfo.txt
fileinfoinfo.txt
notes/infoinfo.txt

About this analysis

This Stroman 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 Stroman.

Last updated: December 30, 2025

Detection coverage

Elastio detects Stroman inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Stroman 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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