Browser Redirect Mapuser Virus Removal

Parasite may reinstall itself multiple times if you don't delete its core files. We recommend downloading SpyHunter to scan for malicious programs installed with it. This may save you hours and cut down your time to about 15 minutes. 

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More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

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This page aims to help you remove Mapuser Virus. Our removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows. Mapuser Virus is a browser application which is said to provide you with useful free browsing features should you make it a part of your system. However, this application is also reported to make some unwanted changes to the browser settings (homepage and/or search engine modifications, page redirects, generation of ads, etc.) which are not really welcomed. There is hardly any person who would like to be disturbed by annoying and intrusive ads, pop-ups, automatic page redirects or browsing modifications without their approval but it seems that Mapuser Virus tends to do that the very moment it gets installed in the system. This application normally has no problem integrating with most of the popular browsers such as Chrome, Firefox, IE or Edge and spam them with various commercial messages. Such an activity is often reported as potentially unwanted and most users want to have it stopped. If you are one of them, in the next lines, we have prepared a detailed Removal Guide and a professional Mapuser Virus removal tool for your assistance. There, you will find instructions on how to safely uninstall the pesky application and get things back to normal.

Is your computer at risk if Mapuser Virus gets installed on it?

Applications like Mapuser Virus can be very annoying. However, to your relief, they are very different from real computer viruses which is why you should not consider them as serious threats. Such pieces of software are usually categorized as Browser hijackers and fall in the category of the ad-generating software. They are typically created with the idea to advertise and promote certain products, services, web pages or adverts on the users’ screen and gain income for their developers via Pay-Per-Click or similar ad revenue models.

Having a browser hijacker installed on the system is normally not fatal for your data or for your software because, unlike an infection with a real virus such as a Trojan horse or a Ransomware, the hijacker targets only your default browsing program and is not supposed to harm your OS or steal any sensitive information from your PC. Still, despite not being malicious, this software might cause disturbance and irritation during each of your browsing sessions. That’s why, we will not be surprised if you want to uninstall it from your computer.

For example, having Mapuser Virus on your PC might result in some unwanted changes in your homepage or search engine settings as well as some automatic page redirects and aggressive ads exposure. If you let this application operate on your system, it might force your browser to produce hundreds of ads, pop-ups, banners and commercial messages during each browsing session and modify your search results in favor of some sponsored pages. At some point, you might not be able to rely on the information that your browser displays and may even happen to click on some shady or dangerous content. Sometimes, automatic redirects initiated by the hijacker may occur even without you having done anything. For this reason, it is a good idea to generally approach applications like Mapuser Virus with caution or consider having them uninstalled in order to avoid landing on insecure web locations and catching nasty malware threats like Trojans or Ransomware-based viruses. Mapuser Virus Removal

If you have a Windows virus, continue with the guide below.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab (the “Details” Tab on Win 8 and 10). Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

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Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


Hold together the Start Key and R. Type appwiz.cpl –> OK.


You are now in the Control Panel. Look for suspicious entries. Uninstall it/them.

Type msconfig in the search field and hit enter. A window will pop-up:


Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.


Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter.

  1. Right-click on the Network Adapter you are using —> Properties —> Internet Protocol Version 4 (ICP/IP), click  Properties.
  2. The DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself.
  3. Click on Advanced —> the DNS tab. Remove everything here (if there is something) —> OK.



  • After you complete this step, the threat will be gone from your browsers. Finish the next step as well or it may reappear on a system reboot.

Right click on the browser’s shortcut —> Properties.

NOTE: We are showing Google Chrome, but you can do this for Firefox and IE (or Edge).


Properties —–> Shortcut. In Target, remove everything after .exe.

ie9-10_512x512  Remove Mapuser Virus from Internet Explorer:

Open IE, click  IE GEAR —–> Manage Add-ons.

pic 3

Find the threat —> Disable. Go to IE GEAR —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

firefox-512 Remove Mapuser Virus from Firefox:

Open Firefoxclick  mozilla menu  ——-> Add-ons —-> Extensions.

pic 6

Find the adware/malware —> Remove.
chrome-logo-transparent-backgroundRemove Mapuser Virus from Chrome:

Close Chrome. Navigate to:

 C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. There is a Folder called “Default” inside:

Rename the Folder to Backup Default

Rename it to Backup Default. Restart Chrome.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

Type Regedit in the windows search field and press Enter.

Inside, press CTRL and F together and type the threat’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

  • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
    HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!

How to protect your PC from Mapuser Virus and other similar applications?

Most applications with ad-generating and page redirecting features such as Mapuser Virus are freely available on the Internet in different web locations. They are often advertised as free browser components, add-ons, “recommended” or “complementary” software that have been added to other programs’ installers. For this reason, you may usually find them in attractive software bundles, free download links, shareware or freeware web pages, pop-up ads, email attachments, spam messages on social platforms or update requests as well as added to different games, optimization applications, converters, media player setups, etc.

Staying away from these sources could greatly reduce the chances of landing a piece of software like Mapuser Virus on your PC but if you still want to get freeware and often download different applications from random web locations, you should know a few tricks to prevent hijackers from becoming part of your system. The first one is to always read the EULA as well as the Terms and Conditions of installation for every setup package. It is also very important to pay attention to the small text or any pre-selected checkmarks or agreements that might have been opted-in by default. We strongly advise you to always install new software with the help of the Advanced/Custom/Manual installation settings because these can reveal the presence of potentially unwanted bundled applications and can allow you to customize or remove them before the installation process is launched.

Name Mapuser
Type  Adware/Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms  Page redirects, hard to remove ads, pop-ups and banners on your screen. 
Distribution Method Mostly distributed via freeware or shareware sites, free download links, software bundles, torrents, automatic installers, etc.
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