Click on screenshot to zoom
Danger level 9
Type: Browser Helper Object
Common infection symptoms:
  • Annoying Pop-up's
  • Connects to the internet without permission
  • Installs itself without permissions
  • Shows commercial adverts


DefaultTab is a suspicious browser plugin which does not have an official download page and which usually travels via bundled downloads. As you may already suspect, the application is considered precarious, and we recommend its removal. Fortunately, it is not difficult to delete DefaultTab if you catch it in time and apply the right removal steps. Needless to say, to be able to delete the suspicious add-on, you firstly need to detect it. If you have noticed the following notification, or you see the Search Here tab attached to your Internet Explorer, Mozilla Firefox and Google Chrome browsers, there is no doubt that the program has been installed on your PC.

The following program suggested a new default search provider:
Search Results, LLC
Change to Search Here (

The browser add-on is constructed of two important components – DefaultTabSearch.exe which can employ ports to connect to LAN and the Internet, and DTUpdate.exe. This file may run on your Windows system as X_DTUPDATE.EXE and it is recognized as adware, an application with is supported through online advertisement. Apart from flooding your screen with misleading online ads, these files can reroute you to affiliate websites and employ industry-wide technologies (e.g. cookies) to track your virtual activity. Is this safe? It is not if malignant third parties are involved.

In case schemers tricked the developers of DefaultTab (or paid them money) to leak your personal data, they could expose you to misleading, malicious online ads. These could be used to involve you in phishing scams or even trick you into downloading more dangerous files and programs onto your own PC. Overall, we recommend browsing the web carefully until you remove DefaultTab from the computer.

You can delete DefaultTab manually if your computer has not been affected by secondary infections. Do you know what manual removal steps you need to perform? Follow the instructions below to get rid of the suspicious program, and employ our reliable, free-of-charge spyware scanner (click on the download button) to inspect the computer once the task is complete.

How to remove DefaultTab from the PC?

Windows 8:

  1. Tap the Windows key on the keyboard to access the Metro UI start screen.
  2. Right-click on the desktop and select All apps.
  3. Click Control Panel and then Uninstall a program, found under Programs.
  4. Right-click on the program you wish to remove and select Uninstall.

Windows Vista and Windows 7:

  1. Open the Start menu (left of the Task Bar).
  2. Click Control Panel and then Uninstall a program.
  3. Right-click the unwanted application and select Uninstall to remove it.

Windows XP:

  1. Open the Start menu.
  2. Click Control Panel and then Add or Remove Programs.
  3. Select the unwanted application and click Remove.

How to remove DefaultTab from browsers?

Internet Explorer:

  1. Launch the browser and simultaneously tap Alt+T.
  2. Select Manage Add-ons.
  3. From the menu on the left click Toolbars and Extensions.
  4. Click on the unwanted extension and select Disable.

Mozilla Firefox:

  1. Launch the browser and simultaneously tap Ctrl+Shift+A.
  2. Click Extensions in the Add-ons Manager (opened in a new tab).
  3. Click the Remove button placed next to the unwanted add-on.

Google Chrome:

  1. Launch the browser and simultaneously tap Alt+F.
  2. Select Tools and click Extensions.
  3. Find the extension you wish to delete, click on the trash icon (on the right) and select Remove.
Download Spyware Removal Tool to Remove* DefaultTab
  • Quick & tested solution for DefaultTab removal.
  • 100% Free Scan for Windows

How to manually remove DefaultTab

Files associated with DefaultTab infection:


DefaultTab processes to kill:



  1. Gait Oct 20, 2013

    Does not work. App is not shown in taksmanager. Cannot be closed via taksmanager. Needs hardcore admin stopped en blocked + remove reg. key

  2. Pcthreat Oct 22, 2013


    Did you try SAFE MODE?

Post comment — WE NEED YOUR OPINION!

Please enter security code:
This is a captcha-picture. It is used to prevent mass-access by robots.