Ransomware Research

YanluoWang Ransomware

YanluoWang is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2021, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
YanluoWang
First Seen
December 1, 2021

How YanluoWang ransomware works

File encryption patterns

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

Extensions added after encryption
.yanluowang

Ransom note and payment demands

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

fileREADME.txt
notes/README.txt

Technical indicators

Associated executable files

The following executable files are associated with YanluoWang ransomware:

About this analysis

This YanluoWang 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 YanluoWang.

Last updated: December 30, 2025

Detection coverage

Elastio detects YanluoWang inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify YanluoWang 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.

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What is YanluoWang Ransomware? | Elastio