Ransomware Research

RSA-4096 Ransomware

RSA-4096 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
RSA-4096
First Seen
February 1, 2024

How RSA-4096 ransomware works

File encryption patterns

RSA-4096 modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.RSA

Ransom note and payment demands

After encrypting files, RSA-4096 displays ransom notes demanding payment for file recovery:

fileHOW TO DECRYPT FILES.txt
notes/HOW TO DECRYPT FILES.txt
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with RSA-4096 ransomware:

About this analysis

This RSA-4096 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 RSA-4096.

Last updated: December 30, 2025

Detection coverage

Elastio detects RSA-4096 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify RSA-4096 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

Recent ransomware

Explore other threats in our database

Wxlongda2025VeilCrypt2025TitanLabooboo2025SolidBit2022SnapHackLocker2024PySystemUpdate2025PySimCrypt2025Monkey2025Lol2025HWID2025
View all ransomware →