How to remove PortalDoSites browser hijacker

What is "" ?” is a browser hijacker program that modifies your Internet homepage and search provider to “” in order to redirect browsing results to ads from unknown publishers.


Why you should remove it?

The "PortalDoSites" was most probably installed on your computer without your knowledge and it hijacks your browser settings in order to redirect your web searches to advertisements to earn money for its publishers. Programs like this are quite often bundled in the installation files of other legitimate programs (software tools and other stuff). People go through the installation (of the legitimate software) without noticing that they are also installing additional software (like toolbars) that is not necessary for the legitimate software to run.

You MUST remove “PortalDoSites hijacker A.S.A.P. Your computer is at a great risk! Never underestimate the power that browser hijackers can have on your life.

How to uninstall “” from your computer?

You can easily get rid of “” infection by following the steps given bellow:

Step 1: Uninstall “PortalDoSites” from your Control Panel

  • Open Windows Control Panel. In case you don't know how to do that, here is what you have to do:
    • For Windows 8/7/Vista click at: Start > Control Panel >Programs and Features.
    • For Windows XP click at: Start > Settings > Control Panel > Add or Remove Programs.
  • From the program list find and remove/uninstall the following applications:
    • PortalDoSites
    • New Tab.
    • DProtect
    • Uninstall any other unknown application.


Step 2. Remove "” Adware by using AdwCleaner.

  • Download “AdwCleaner”  utility to your computer (e.g. your desktop).
  • After you download it, close all open programs and run AdwCleaner.
  • At the main window, press the “Scan” button and wait until the scan is completed.
  • Finally press the “Clean” button to remove all the entries it has found and restart your computer.


Step 3: Modify Internet browser shortcut properties.” hijacker also modifies all your Internet shortcuts in order to display the “” homepage when you open your Internet browser. So you must revert all your Internet browser shortcuts properties to their default values. To do that:

  • Right-click on your Internet browser shortcut. (e.g. Internet Explorer, Mozilla Firefox, Google Chrome) &  choose “Properties”.
  • Press the “Shortcut” tab (at the top).
  • Look at the “Target” field & delete the “” argument found at the end of  the “Target” command.
  • Attention: You have to perform the same operation to all Internet shortcuts, including those on your taskbar and your programs list.


Step 4: Ensure that all “” settings and extensions are removed from your Internet browser.

Now that you have done that, you must clean your internet browsers from toolbars, plugins and extensions that are still in there, and also change the default search engine back to Google or to whatever you like to use. The instructions on how to do that are different for each browser. Here are detailed instructions for Internet Explorer, Firefox and Chrome.

Internet Explorer

  • From Internet Explorer's main menu, click: "Tools " (the gear icon) and choose “Internet Options”.
  • At "General" tab, delete the “” from "Home page" box &  type your preferred homepage.
    • Then at the "Search" section, press the "Settings" button.
    • On “Search Providers” options:
      • Choose and "Set as default" the search provider you want (e.g. Google).
      • Then select the “Portal Do Sites” search provider and click "Remove".
  • Close all Internet Explorer windows and restart your browser.


Mozilla Firefox

  • Press the Firefox menu button (from the top left) and choose “Options”.
  • At “General” tab:
    • Delete the “www.portaldosites.comfrom the “Home Page” box and type your preferred homepage.
  • Close Firefox options and then go again to FF main menu & choose “Add-ons”.
    • Click “Extensions” on the left pane and remove the following extensions from here: Portal Do Sites.
  • Close Firefox Add-ons window.
  • Go to the Firefox URL address box and type the follow command:


  • Press Enter & then click at the 

    I’ll be careful, I promise” button.

  • At the search box type: portaldosites and press Enter.
  • Finally right-click on every portaldosites value found and choose “Reset.
  • Close all Firefox windows and restart your browser.


Google Chrome

  • Click on Chrome's menu (the gear icon at the upper right corner) and choose "Settings".
  • Look on "Startup" section and  choose "Set Pages".
    • Delete the unwanted home page “www.portaldosites .comby pressing the "X" symbol on the right.
    • Then set your preferred startup page (for example and press "OK".
  • Now go to “Appearance” section, and click to enable the “Show Home button” checkbox.
    • Delete the unwanted webpage “www.portaldosites .com from "Open this page" box.
    • Set your preferred webpage to open when you press the “Home page” button & press “OK”.
  • Finally, choose “Extensions” on the left pane.
    • Remove the ““Portal Do Sites  extension from there by pressing the “recycle icon” to the right.
  • Close Google Chrome


Step 5: Remove remaining malicious registry entries and files.

  • Download and install “Malwarebytes Anti-Malware Free“. (Beware: at the last screen of installation, uncheck the box next to “Enable free Trial of Malwarebytes Anti-Malware PRO” in order to use the free version of this GREAT software).
  • Run Malwarebytes Anti-Malware and at the “Scanner” tab, select the “Quick Scan” option and press the “Scan” button.
  • Wait until this process is finished. Then click the “Show Results” button to review its findings.
  • Right-click to “Select All” items found and press the “Remove Selected” button.
  • Restart your computer if needed and you ‘re done.

One final step: Restart your computer and perform a full scan with your antivirus program.

That’s all folks! It might sound like a lot of work, but in reality you’ll be free from the “portaldosites .com” infection in less than 20 minutes, if you follow these instructions. Did it work for you? Please leave a comment in the comment section below or even better: like and share this blog post in the social networks to help spread the word about these really annoying crap Windows infections.

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