How to remove YouTube Downloader (Virus Removal Guide)

YouTube Downloader by MagnusMentis Limited is recognized as a Trojan, Adware, and Potentially Unwanted Program (PUP) by antivirus programs including DrWeb and Webroot. YouTube Downloader is self-promoted as a tool for Windows XP, Windows Vista, Windows 7, Windows 8.1, and Windows 10 that allows users to download “any video, game play, news, music, and sports with no ads.” When launched, the program insists that users sign in to their YouTube accounts in order to use it.

YouTube Downloader

The program is a barebones version of the Chromium web browser with fewer features and a single YouTube Downloader extension. Settings and other features cannot be accessed and the program will not work as allegedly advertised unless signed in.

The program will install in C: Program Files (x86) YouTube Downloader and display an icon on Windows desktop once the installation is complete. A startup task will be created that enables the program to run every time Windows starts. When running in the background, the program will launch multiple processes named YouTube Downloader Update, YouTube Downloader Update (32bit), and YouTube Downloader that uses a large amount of system memory.

How did YouTube Downloader get onto my computer?

There are numerous ways that YouTube Downloader can get onto a computer. It can be downloaded from the developer’s website, be installed by with freeware or malware without user consent and knowledge, and/or be offered as a custom or advanced installation. Some free programs offer YouTube Downloader as a custom or advanced installation. Therefore it is recommended to view advanced and custom installation options carefully to stop any unwanted programs from being installed. In addition, make sure to pay attention to license agreements and installation procedures when installing anything off the internet.

Bundles with malware and potentially unwanted programs

YouTube Downloader utilizes malicious advertising networks and may bundle with free programs, malware, adware, spyware, and other threats such as Simple PC Optimizer, MyAppBox, and Win Magician. This is a major security concern because it could mean that YouTube Downloader was installed by or alongside malware that that is a risk to user privacy and computer functionality.

When the program is installed, these are symptoms that may occur:

  • Pop-up advertisements
  • Pop-up notifications
  • Hijacked homepage
  • Hijacked search provider
  • Hijacked new tab page
  • Constant browser redirects
  • Suspicious browser extensions
  • Suspicious programs on PC
  • Slower browsing experience
  • Slow and sluggish PC

How to remove YouTube Downloader

YouTube Downloader can be uninstalled from Windows Control Panel or Apps and Features like most programs. However, manually uninstalling the program will not remove malware, adware, spyware, viruses, and other threats from an infected computer. In order to remove malware and other threats from an infected computer, we recommend scanning a computer with reputable security software that is known to detect and remove malware and other threats.

How to uninstall YouTube Downloader

How to remove malware

How to remove tracking files and repair Windows registry


How to uninstall YouTube Downloader

Follow the instructions to uninstall YouTube Downloader from Windows XP, Windows Vista, Windows 7, Windows 8.1, and Windows 10.

1. Right-click the start menu.

2. Go to Apps and Features.

uninstall YouTube Downloader

3. Click YouTube Downloader and click Uninstall.


How to remove malware

Follow the instructions to remove malware, adware, browser hijackers, spyware, ransomware, viruses, and potentially unwanted programs (PUPs). The security software recommended in this removal guide is free to use. However, we recommend registering the software to secure your computing device and stop infections before they happen.

1. Download and install Malwarebytes.

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malwarebytes scan

2. Once Malwarebytes is installed, click the Scan Now button to begin scanning the computer.

malwarebytes quarantine selected

3. When the scan is complete, click the Quarantine Selected button to remove all threats detected by Malwarebytes.

4. Reboot the computer.

5. Once the computer is rebooted, download and install HitmanPro or HitmanPro.Alert to perform a second-opinion scan and remove the remaining malware (if applicable). To download the executable file, fill out the information on their website (name and email address) and click submit.

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6. Once HitmanPro is installed, click the Next button to begin scanning the computer.

7. When the scan is complete, click the Next button to remove all threats detected by HitmanPro.


How to remove tracking files and repair Windows registry

Follow the instructions to remove tracking files, remove browsing data, and repair the Windows registry.

1. Download and install CCleaner Free or CCleaner Professional.

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2. Once CCleaner is installed, go to the Easy Clean tab.

ccleaner easy clean

3. Click the Analyze button to find trackers and junk files that CCleaner can remove.

ccleaner clean all

4. When the analysis is complete, click the Clean All button.

ccleaner scan for issues

5. Next, go to the Registry tab and click the Scan for Issues button.

ccleaner fix selected issues

6. When the scan is complete, click the Fix selected Issues… button.

ccleaner back up registry

7. As a precaution, click Yes to back up the registry before making changes to it and save the Reg File (.reg) file to your computer.

ccleaner fix all selected issues

8. Click the Fix All Selected Issues button and then click Close once all problems have been removed.

Sean Doyle

Sean Doyle is a tech author and engineer with over 20 years of experience in cybersecurity, privacy, malware, Google Analytics, online marketing, and other topics. Sean's content has been featured in numerous publications.

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