Click on screenshot to zoom
Danger level 6
Type: Browser Hijackers
Common infection symptoms:
  • Changes default search engine
  • Hijacks homepage
  • Installs itself without permissions
  • Connects to the internet without permission
  • Shows commercial adverts
  • Cant change my homepage
  • Annoying Pop-up's


Couponsbar is a browser extension which has been developed by Mars Technologies Ltd. It is indicated that the extension is compatible with Google Chrome, Mozilla Firefox and Internet Explorer browsers; however, it has been discovered that it is not available for Chrome at the moment. If you try to install the plugin from onto your Google Chrome web browser, you will be asked to accept the plugin on Firefox and IE browsers. The toolbar’s installer presents three different boxes indicating different options – the toolbar, the home page and the search provider changes. If you do not un-check the boxes, you will discover that is your new home page and Coupons-Bar Search is the new default search engine. If you have installed these search tools accidentally, you should continue reading to learn how you can remove Couponsbar related software.

Even though Couponsbar search tools are not considered to be malicious, it is clear that they are affiliated to third party advertisers because the top search results are sponsored. We recommend that you act carefully with these links because they might route you to unreliable websites. In fact, we do not advise trusting the search engine altogether because it appears to be linked to Snapdo. If you choose to change the suspicious home page, you will discover that it is identified as If you visit this page, you will be redirected straight to This is a suspicious search engine as well because it presents sponsored search results and displays potentially unreliable banner advertisements. Since the Coupons-Bar Search is not considered to be reliable, we do not recommend trusting Couponsbar Toolbar either because it represents the search tool via a search box as well. Note that that the plugin is automatically disabled on Firefox with a warning that this toolbar can cause security or stability issues. Needless to say, this is a sign that you should delete Couponsbar from the browsers.

If you are determined to delete Couponsbar from the PC and the browsers, you can follow the manual removal instructions presented below. Make sure you perform every step with care in order to ensure that the undesirable software is deleted from the operating system successfully. If you wish to enable reliable system’s protection – click the download button and install automatic malware removal software which will help you keep all of the malicious and potentially undesirable programs away.

Delete Couponsbar Toolbar

Delete from Windows XP:

  1. Move the cursor to the Task Bar and click Start.
  2. Select Control Panel and then Add or Remove Programs.
  3. Click the undesirable toolbar and select Remove.

Delete from Windows Vista & Windows 7:

  1. Click the Start menu icon on the left of the Task Bar.
  2. Select Control Panel and click Uninstall a program.
  3. Right-click the application you wish to remove and select Uninstall.

Delete from Windows 8:

  1. Right-click on the Metro UI menu screen and select All apps.
  2. Open the Control Panel and then click Uninstall a program.
  3. Find the application you wish to remove, right-click it and select Uninstall.

Remove Couponsbar search tools

Remove from Mozilla Firefox:

  1. Open Firefox, simultaneously tap Alt+T and select Options.
  2. Click the General tab, change/delete the Home Page URL and click OK.
  3. Click the search provider icon placed on the search box.
  4. In the appeared drop-down menu select Manage Search Engines.
  5. Select the undesirable search provider, click Remove and then OK.

Remove from Google Chrome:

  1. Open Chrome and simultaneously tap Alt+F.
  2. Select Settings and navigate to the On Startup section.
  3. Mark Open a specific page or set of pages and click Set pages.
  4. Change/delete the undesirable URL and select OK.
  5. Move to Appearance and mark Show Home button.
  6. Click Change and then repeat step 4 to delete the undesirable search tool.
  7. Under Search click Manage search engine.
  8. Click X on the URL you wish to remove and click Done.

Remove from Internet Explorer:

  1. Open IE, simultaneously tap Alt+T and select Manage Add-ons.
  2. Move to the menu on the left and click Search Providers.
  3. Choose/add a new default search provider.
  4. Remove the undesirable search provider and click Close.
  5. Simultaneously tap Alt+T again and select Internet Options.
  6. Click the General tab, change/delete the Home Page URL and click OK.
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