Corner Sunshine Adware
Written by Tomas Meskauskas on (updated)
What is Corner Sunshine?
Corner Sunshine is a deceptive application that supposedly displays local weather forecasts. This functionality may seem legitimate and useful, however, Corner Sunshine is categorized as adware and a potentially unwanted program (PUP).
There are three main reasons for these negative associations: 1) stealth installation without users' consent; 2) display of intrusive online advertisements, and; 3) tracking of users' Internet browsing activity.
This application employs a 'virtual layer' (a tool that enables placement of third party graphical content on any site) to generate pop-up, banner, coupon, and other similar intrusive ads. None originate from users' visited websites. Therefore, underlying content is often concealed, significantly diminishing the web browsing experience.
In addition, these ads often lead to malicious websites, some of which contain infectious content. Thus, clicking them is risky and can result in further adware or malware infections. In addition, Corner Sunshine gathers various data types relating to web browsing activity.
Examples include Internet Protocol (IP) addresses (to determine geo-locations), website URLs visited, pages viewed, and search queries.
Some users believe this collected information is insignificant, however, it might contain private details that developers of Corner Sunshine share with cooperating third parties (potentially, cyber criminals) who often attempt to generate revenue by misusing private information.
Therefore, the presence of an information-tracking app on your system such as Corner Sunshine can lead to serious privacy issues or even identity theft. For these reasons, you are strongly advised to remove Corner Sunshine immediately.
There are hundreds of apps that share similarities with Corner Sunshine including, for example, Weather Chick'n, WeatherWidget, and Windoweather. Be aware that all adware offers functionality to improve the Internet browsing experience, however, most of this software is useless for regular users.
Adware is designed only to generate revenue for the developers. Claims to provide 'useful features' are merely attempts to give the impression of legitimacy. In fact, apps such as Corner Sunshine merely generate intrusive online advertisements and continually record information relating to users' web browsing activity.
How did Corner Sunshine install on my computer?
Developers distribute Corner Sunshine using a deceptive software marketing method called "bundling" - stealth installation of PUPs with regular software/applications.
Research shows that users often rush the download/installation processes and skip most steps. Aware of this, developers hide bundled programs within the "Custom/Advanced" settings. Skipping this section often leads to inadvertent installation of rogue applications, including Corner Sunshine.
How to avoid installation of potentially unwanted applications?
There are two simple steps you should take to prevent this situation. Firstly, select the "Custom/Advanced" settings and carefully analyze each step of the download/installation processes. Secondly, decline all offers to download third party programs and cancel those already included. The key to computer safety is caution.
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Quick menu:
- What is Corner Sunshine?
- STEP 1. Uninstall Corner Sunshine application using Control Panel.
- STEP 2. Remove Corner Sunshine adware from Internet Explorer.
- STEP 3. Remove Corner Sunshine ads from Google Chrome.
- STEP 4. Remove 'Ads by Corner Sunshine' from Mozilla Firefox.
- STEP 5. Remove Corner Sunshine ads from Safari.
- STEP 6. Remove rogue plug-ins from Microsoft Edge.
Corner Sunshine adware removal:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
Windows 10 users:
Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.
Windows 7 users:
Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.
macOS (OSX) users:
Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.
In the uninstall programs window, look for "Corner Sunshine", select this entry and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted program that causes Corner Sunshine ads, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove Corner Sunshine adware from Internet browsers:
At time of research, Corner Sunshine did not install its browser plug-ins on Internet Explorer, Google Chrome, or Mozilla Firefox, however, it was bundled with other adware. Therefore, you are advised to remove all potentially unwanted browser add-ons from your Internet browsers.
Video showing how to remove potentially unwanted browser add-ons:
Remove malicious add-ons from Internet Explorer:
Click the "gear" icon (at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the ads by corner sunshine, reset your Internet Explorer settings to default.
Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.
Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.
Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.
In the opened window, select the Advanced tab.
Click the Reset button.
Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon (at the top right corner of Google Chrome), select "Tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons, select these entries, and click the trash can icon.
Optional method:
If you continue to have problems with removal of the ads by corner sunshine, reset your Google Chrome browser settings. Click the Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plug-ins from Mozilla Firefox:
Click the Firefox menu (at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.
Optional method:
Computer users who have problems with ads by corner sunshine removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Optional method:
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge menu icon (at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.
Optional method:
If you continue to have problems with removal of the ads by corner sunshine, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Summary:
Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.
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