Remove Coronaborealis

Coronaborealis Removal Tips (Delete Coronaborealis)

Coronaborealis is an ad-supported program that is practically identical to Capricornus and Canopus adware. It does not have an official page, where it could be downloaded. This means that the application travels in free software bundles. It is possible that you installed it accidentally.

The adware is compatible with all web browsers, so it does not matter which one of them you use, you will still be exposed to various commercials labeled “Coronaborealis Ads”, “Powered by Coronaborealis”, and similar. We suggest that you eliminate these advertisements from your browsers as soon as you can. In order to do that, you will have to delete Coronaborealis from your computer.

How does Coronaborealis work?

As it has already been mentioned, the adware usually gets installed onto a computer with the help of free downloads. When you install free software, you get presented with various optional offers. If you do not notice these offers, potentially unwanted programs get installed automatically. Since these programs are usually completely useless, we advise that you try to avoid them in the future. In order to do that you should choose Advanced or Custom installation mode whenever you can and deselect all unfamiliar components that are not essential for the setup.

Unlike most ad-supported programs, Coronaborealis does not use a browser extension to insert the adverts into your visited pages. Instead, it replaces the dnsapi.dll, which is a system file. This allows the software to connect to a remote server and generate the commercials. Unfortunately, the ads that it injects into your browsers are not all reliable. Some of them are completely fake and they may lead you to corrupted pages. Landing on these sites could result in various unwanted outcomes including malware infections, personal data disclosure, financial losses, and more. It would be best to terminate Coronaborealis and thus get rid of the unsafe commercials.

How to remove Coronaborealis?

The safest and more reliable solution to Coronaborealis removal is to implement an anti-malware utility. The security tool, which you can download from our page, will scan your system and detect all of its issues. You will be able to not only eliminate Coronaborealis, but also get rid of other unwanted files and programs. The malware remover will also safeguard your PC from future infections you may encounter online. Alternatively, you can try to remove Coronaborealis manually. You will have to uninstall Coronaborealis from your computer and restore the dnsapi.dll file. Instructions below will guide you through the first step. As for the second one, you will have to press Win+R, type in “cmd” and click OK. After the command window opens, input “sfc/scanfile=C:\Windows\system32\dnsapi.dll” for 32-bit system or “sfc/scanfile=C:\Windows\syswow64\dnsapi.dll” for a 64-bit system, and tap Enter.

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Quick Menu

Step 1. Uninstall Coronaborealis and related programs.

• Windows 8
• Windows 7
• Windows XP
• Mac OS

Remove Coronaborealis from Windows 8

Right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel choose Programs and Features and select to Uninstall a software.

Uninstall Coronaborealis from Windows 7

Click Start → Control Panel → Programs and Features → Uninstall a program.

Delete Coronaborealis from Windows XP

Click Start → Settings → Control Panel. Locate and click → Add or Remove Programs.

Remove Coronaborealis from Mac OS X

Click Go button at the top left of the screen and select Applications. Select applications folder and look for Coronaborealis or any other suspicious software. Now right click on every of such entries and select Move to Trash, then right click the Trash icon and select Empty Trash.

Step 2. Delete Coronaborealis from your browsers

• Internet Explorer
• Chrome
• Firefox
• Safari

Terminate the unwanted extensions from Internet Explorer

1. Tap the Gear icon and go to Manage Add-ons.
2. Pick Toolbars and Extensions and eliminate all suspicious entries (other than Microsoft, Yahoo, Google, Oracle or Adobe)
3. Leave the window.

Change Internet Explorer homepage if it was changed by virus:

1. Tap the gear icon (menu) on the top right corner of your browser and click Internet Options.
2. In General Tab remove malicious URL and enter preferable domain name. Press Apply to save changes.

Reset your browser

1. Click the Gear icon and move to Internet Options.
2. Open the Advanced tab and press Reset.
3. Choose Delete personal settings and pick Reset one more time.
4. Tap Close and leave your browser.
5. If you were unable to reset your browsers, employ a reputable anti-malware and scan your entire computer with it.

Erase Coronaborealis from Google Chrome

1. Access menu (top right corner of the window) and pick Settings.
2. Choose Extensions.
3. Eliminate the suspicious extensions from the list by clicking the Trash bin next to them.
4. If you are unsure which extensions to remove, you can disable them temporarily.

Reset Google Chrome homepage and default search engine if it was hijacker by virus

1. Press on menu icon and click Settings.
2. Look for the “Open a specific page” or “Set Pages” under “On start up” option and click on Set pages.
3. In another window remove malicious search sites and enter the one that you want to use as your homepage.
4. Under the Search section choose Manage Search engines. When in Search Engines..., remove malicious search websites. You should leave only Google or your preferred search name.
   

Reset your browser

1. If the browser still does not work the way you prefer, you can reset its settings.
2. Open menu and navigate to Settings.
3. Press Reset button at the end of the page.
4. Tap Reset button one more time in the confirmation box.
5. If you cannot reset the settings, purchase a legitimate anti-malware and scan your PC.

Remove Coronaborealis from Mozilla Firefox

1. In the top right corner of the screen, press menu and choose Add-ons (or tap Ctrl+Shift+A simultaneously).
2. Move to Extensions and Add-ons list and uninstall all suspicious and unknown entries.

Change Mozilla Firefox homepage if it was changed by virus:

1. Tap on the menu (top right corner), choose Options.
2. On General tab delete malicious URL and enter preferable website or click Restore to default.
3. Press OK to save these changes.

Reset your browser

1. Open the menu and tap Help button.
2. Select Troubleshooting Information.
3. Press Refresh Firefox.
4. In the confirmation box, click Refresh Firefox once more.
5. If you are unable to reset Mozilla Firefox, scan your entire computer with a trustworthy anti-malware.

Uninstall Coronaborealis from Safari (Mac OS X)

1. Access the menu.
2. Pick Preferences.
3. Go to the Extensions Tab.
4. Tap the Uninstall button next to the undesirable Coronaborealis and get rid of all the other unknown entries as well. If you are unsure whether the extension is reliable or not, simply uncheck the Enable box in order to disable it temporarily.
5. Restart Safari.

Reset your browser

1. Tap the menu icon and choose Reset Safari.
2. Pick the options which you want to reset (often all of them are preselected) and press Reset.
3. If you cannot reset the browser, scan your whole PC with an authentic malware removal software.