.Mcafee Files Virus (Xorist) - Remove It and Restore Data

.Mcafee Files Virus (Xorist) – Remove It and Restore Data

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In this article, you will find more information about .Mcafee files virus as well as a step-by-step guide on how to remove malicious files from an infected system and how to potentially recover files encrypted by this ransomware.

The .Mcafee file virus is ransomware that interferes with operating system’s settings in order to activate encryption algorithm, TEA in this case, and encode various types of files that store valuable information. In case of infection with this particular ransomware, you will have all your valuable files locked and renamed with an extension of the same name .Mcafee. Unlike other ransomware, .Mcafee doesn’t request any ransom fee.

Threat Summary

Name.Mcafee Files Virus
TypeRansomware, Cryptovirus
Short DescriptionEncrypts target files stored on infected computers, marks them with .Mcafee extension.
SymptomsImportant files are encoded and renamed with .Mcafee extension. You cannot open them.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by .Mcafee Files Virus


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .Mcafee Files Virus.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.Mcafee Files Virus (Xorist) – Distribution

The payload file of the so-called .Mcafee files virus has probably managed to access your computer by being a part of a spam email. Emails that attempt to deliver malicious code on users’ devices are often designed to impersonate representatives of well-known businesses, websites, and even governmental institutions. This trick aims to mislead you and make you more prone to start the malicious code on your PC without noticing its presence.

As regards the malicious code that triggers ransomware infection it is usually disguised as file attachment of common type such as document, image, archive, PDF or as a URL address to an infected web page. Text messages presented by emails part of malspam campaigns usually attempt to provoke a sense of urgency and this way lure you into opening affected elements on your device as soon as possible.

In order to stay safe in future we recommend you to check our forum for several safety tips as they could help you to prevent ransomware infections like .Mcafee from infecting your system in future.

.Mcafee Files Virus (Xorist) – Overview

.Mcafee file virus appears to be yet another threat that attempts to access computer systems in order to encode valuable files. As identified by security researchers, this cryptovirus belongs to

Xorist ransomware family.

When first started on your machine, .Mcafee will create a bunch of malicious files needed for the attack. Analyses of its sample reveal that the threat uses the following folders for the storage of malicious files:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

The execution of these files leads to serious modifications that affect essential system settings. Most of the changes are implemented to support further malicious activities that will enable the ransomware to reach the main infection stage – data encryption.

Once it reaches this stage, .Mcafee activates a built-in encryption module that contains the TEA cipher algorithm. This module is designed to find all target files and encrypt them one by one with the help of TEA algorithm. It is known that all files that are stored with any of the extensions listed below will be encoded by .Mcafee files virus:

→.1cd, .3gp, .7z, .ac3, .ape, .avi, .bmp, .cdr, .cer, .dbf, .divx, .djvu, .doc, .docx, .dwg, .flac, .flv, .gif, .gzip, .htm, .html, .ifo, .jpeg, .jpg, .kwm, .lnk, .m2v, .max, .md, .mdb, .mdf, .mkv, .mov, .mp3, .mp4, .mpeg, .mpg, .odt, .p12, .pdf, .pfx, .png, .ppt, .pptx, .psd, .pwm, .rar, .tar, .torrent, .txt, .vob, .wav, .wma, .wmv, .xls, .xlsx, .zip

This includes all your:

  • Audio files
  • Video files
  • Document files
  • Image files
  • Backup files
  • Banking credentials, etc

Unlike other threats of the same kind, .Mcafee doesn’t request a ransom for decryption solution. This becomes clear by the associated ransom message which presents just one question written in Spanish:

Usted fue encriptado por Mcafee que ironia no?

The good news is that a fully composed free decryption tool for Xorist ransomware family was released by security researchers at Emsisoft. So you could be able to decrypt all your .Mcafee files by simply downloading it from their official website.

Remove .Mcafee Files Virus (Xorist) and Restore Data

The so-called .Mcafee files virus is a threat with highly complex code designed to corrupt both system settings and valuable data. So the only way to use your system in a secure manner again is to remove all malicious files and objects created by the ransomware. For the purpose, we prepared a removal guide that reveals how to clean and secure your system step by step. In addition, you will find several alternative data recovery approaches that may be helpful in attempting to restore files encrypted by Xorist .Mcafee ransomware. We need to remind you to back up all encrypted files to an external drive before the recovery process.

Gergana Ivanova

Gergana Ivanova

Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.

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