What is CoronaBorealis?

CoronaBorealis is a a browser add-on that can bring troubles to its user. The description of the application states that CoronaBorealis is designed to inform users about best online deals, provide them with discount coupons and compare prices from different shopping sites. But these positive features in reality are never performed – instead of displaying real ads, CoronaBorealis generates their contents according to user’s recent search queries. The commercials are also very annoying and to get rid of them you need to remove CoronaBorealis.

CoronaBorealis ads

How CoronaBorealis gets on your PC?

CoronaBorealis travels though the web using the same ways that other adware applications do. The method that is applied to most frequently is called bundling. Malware developers make agreements with creators of usual software so they would put CoronaBorealis into their setups. When such installation is performed, CoronaBorealis is installed alongside. To check the presence and decline the installation of the adware go to Advanced setup steps and uncheck the box with additional components.

How to remove CoronaBorealis from your computer?

To uninstall CoronaBorealis remove it from Control Panel, then delete all files and regkeys.

In our view, there are 3 products that potentially have CoronaBorealis in their database. You can try to use them for removing CoronaBorealis.

Recommended Solution:

Norton is a powerful removal tool. It can remove all instances of newest viruses, similar to CoronaBorealis – files, folders, registry keys.


Download Norton*Trial version of Norton provides detection of computer viruses for FREE. To remove malware, you have to purchase the full version of Norton.

Alternative Solution:

Norton Antivirus – detects files, registry values and folders of viruses that show the same behavior as CoronaBorealis.


Download Norton

You can try both of these products to remove CoronaBorealis

Or uninstall CoronaBorealis manually.

Step 1: Remove CoronaBorealis from Control Panel

Windows XP:

  1. Click Start.
  2. Control Panel.
  3. Then click Add or Remove Programs.
  4. Find CoronaBorealis.
  5. Click Uninstall.

Learn more about uninstallation of programs in Windows XP.

Windows 7/Windows Vista:

  1. Click Start.
  2. Then Control Panel.
  3. Click Uninstall a Program.
  4. Find CoronaBorealis and click Uninstall.

Learn more about uninstallation of programs in Windows 7.

Windows 8/Windows 8.1:

  1. Open the Menu.
  2. Click Search.
  3. After that click Apps.
  4. Then Control Panel.
  5. Then as in Windows 7, click Uninstall a Program under Programs.
  6. Find CoronaBorealis, select it and click Uninstall.

Learn more about uninstallation of programs in Windows 8 (8.1).

Windows 10:

  1. Click on the Start button (or press the Windows key) to open the Start menu, click on the Settings at the top.
  2. Click on App & features on the left menu.
  3. On the right side, locate CoronaBorealis and click it, then click on the Uninstall button.
  4. Click on Uninstall to confirm.

Learn more about uninstallation of programs in Windows 10

Note: If you can’t find required program, sort programs by date in Control panel and search for last installed programs.

After that remove CoronaBorealis from your browser.

Step 2: Remove CoronaBorealis from browsers

Google Chrome:

  1. Open Google Chrome
  2. Push Alt + F.
  3. Click Tools.
  4. Choose Extensions.
  5. Find CoronaBorealis.
  6. Click the trash can icon to remove it.

Learn more about removing extensions from Chrome.

Mozilla Firefox:

  1. Open Firefox.
  2. Push Shift + Ctrl + A.
  3. Choose CoronaBorealis.
  4. Click Disable or Remove button.

Learn more about removing extensions from Firefox.

Internet Explorer:

  1. Open IE.
  2. Push Alt + T.
  3. Click Manage Add-ons.
  4. Select Toolbars and Extensions.
  5. Click Disable CoronaBorealis.
  6. Click More information link in the left-bottom corner.
  7. Click Remove button.
  8. If this button is grayed out – perform alternative steps.

Learn more about removing extensions from IE.

Step 3: Remove following files and folders of CoronaBorealis:

Remove following registry entries:

no information

Remove following folders


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