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Danger level 7
Type: Browser Hijackers
Common infection symptoms:
  • Hijacks homepage
  • Changes default search engine


Mystart.uninstallmaster.com may look like a reliable search engine, but it is not. We have classified it as a browser hijacker, and thus, recommend that you remove it. As a browser hijacker, this infection is set to modify your browser’s homepage address, new tab page, and search provider/engine. The reason for doing so is generating advertising revenue since its search results are known to contain promotional links of unknown origin. Therefore, we suspect that this hijacker can promote malicious software and/or infected websites. So if you have this infection on your computer, then you should eradicate it after reading this description.

Allegedly, this browser hijacker was created by a software developing company called Polypower Technology Inc. However, we believe that the company name is fictitious as there is not information available about it. Therefore, its true developer might never be known, but that is not that important because such companies rarely get more that a slap on the wrist for developing malicious software, so their names are of little importance. In any case, Mystart.uninstallmaster.com is somewhat legitimate from a legal point of view.

This browser hijacker is distributed using a program called Uninstall Master. In short, this program is set to replace the built-in Uninstall a program function found in Windows by default, so it offers nothing useful. This program and by extension Mystart.uninstallmaster.com is distributed via a dedicated website called Uninstallmaster.com. Nevertheless, this is not the only method used to distribute it. We have received reports that Uninstall Master may be distributed using software bundles that hide it in its custom installation settings window. Software bundles that contain this program are most likely featured on shady software disseminating websites.

Mystart.uninstallmaster.com’s IP address location is Washington DC. Its Registrar is HICHINA ZHICHENG TECHNOLOGY LTD. Currently, it is not very popular with most traffic coming from India with 10.3 % followed by Mexico with 7.7 %. However, the security threat it may pose cannot be overlooked. Therefore, we took it upon ourselves to provide you with as much information about it as possible.

Once you have installed Uninstall Master, Mystart.uninstallmaster.com will automatically be set as your browser’s homepage (if you use Firefox or Internet Explorer) or new tab page (if you us Chrome.) However, it will change the search provider for all three aforementioned web browsers. This is an unwelcome change since you will not be given the opportunity to opt out when installing Uninstall Master. In any case, you should not install this program in the first place.

The main reason we urge you to delete Mystart.uninstallmaster.com is because its search results may contain advertisements. In fact, displaying advertisements is the only reason this hijacker and others like it are created in the first place. It is a clandestine form of advertising that has proven to be very successful. Many users are compelled to use browser hijacker because they do not notice that the homepage has been changed, or they do not know how to get rid of it. At any rate, its ads can come from all kinds of shady sources and this hijacker may employ click bait tactics to generate clicks, because more clicks mean more money. However, the users get the short end of the stick because some ads may promote malware downloads that may slow down the PC or spy on the users.

Speaking of spying, Uninstall Master, and by extension, Mystart.uninstallmaster.com may collect certain information about you. As indicated in the privacy policy “Uninstall Master may automatically receive and record certain non-personally identifiable information on its server logs from your browser, including your IP address, browser type, internet service provider (ISP), cookie information, and the webpage that a user visits.” As you can see, the information this hijacker collects is not personal, but you should not allow them to obtain it because it will be used for tailoring the ads which are not what you want because you may be tricked into clicking a malicious link.

All in all, Mystart.uninstallmaster.com is nothing more than a browser hijacker that poses as a reliable search engine. It changes your browser’s settings without your consent and if you disapprove of this, then you should remove it as soon as possible. We recommend that you do this quickly since there is no way of knowing which advertisement is legitimate and which is fictitious.

Removal instructions

Windows 8/8.1 and 10

  1. Right-click on the Start screen/Start menu.
  2. Click Programs and Features.
  3. Locate the application.
  4. Right-click on it.
  5. Click Uninstall.

Windows 7 or Vista

  1. Click Start.
  2. Select Control Panel.
  3. Click Uninstall a program.
  4. Locate the malicious software.
  5. Right-click on it.
  6. Click Uninstall.

Windows XP

  1. Open the Start menu.
  2. Click Control Panel.
  3. Select Add or Remove Programs.
  4. Find the undesirable program.
  5. Click the Remove button.

Remove Uninstall Master from the web browser

Microsoft Internet Explorer

  1. Press Alt+X.
  2. Click Manage Add-ons.
  3. Click Toolbars and Extensions.
  4. Remove the extension.
  5. Click Close.

Google Chrome

  1. Press Alt+F.
  2. Click More tools.
  3. Go to Extensions.
  4. Find the unwanted extension.
  5. Click Remove.

Mozilla Firefox

  1. Press Ctrl+Shift+A.
  2. Select Extensions.
  3. Find and Remove the add-on.
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