Ransomware Research

Motocos Ransomware

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

Quick facts

Ransomware Family
Motocos
First Seen
May 1, 2021

How Motocos ransomware works

File modification behavior

Motocos updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .mo2

Ransom note and payment demands

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

fileReadme.txt
notes/Readme.txt

Location: RootDiscs, Desktop

fileMotocos_Readme.txt
notes/Motocos_Readme.txt

Location: RootDiscs, Desktop

fileRansomware_Readme.txt
notes/Ransomware_Readme.txt

Location: RootDiscs, Desktop

Technical indicators

Associated executable files

The following executable files are associated with Motocos ransomware:

  • taskhos.exe

About this analysis

This Motocos 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 Motocos.

Last updated: September 21, 2022

Detection coverage

Elastio detects Motocos inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Motocos across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.