Webrunn Virus

What is webrunn?

Developed by SuperWeb LLC, the webrunn rogue browser extension claims to enhance users' Internet browsing experience by enabling coupons, comparison shopping, and adding other useful functionality. Although webrunn may seem a legitimate browser plug-in, be aware that it is categorized as adware or a potentially unwanted application.

Webrunn employs a deceptive software marketing method called 'bundling' to install on browsers (Internet Explorer, Mozilla Firefox, and Google Chrome) without users' permission.

After successful infiltration, webrunn generates various intrusive online advertisements including banner, search, text-link, interstitial, transitional, and full-page ads. There is a high probability that clicking these advertisements will lead to high-risk adware or malware infections.

In addition, webrunn adware continually monitors users' Internet browsing activity by recording diverse hardware and software information such as Internet Protocol (IP) addresses, unique identifier numbers, search queries entered, URLs visited, pages viewed, and other similar details, which may be personally identifiable.

This behavior may lead to serious privacy issues or even identity theft. The developers of this browser extension (SuperWeb LLC) have released several hundred potentially unwanted applications identical to webrunn.

Yawtix, ResultsBay, Webget, and Adanak are just a few examples amongst hundreds. SuperWeb LLC intentionally releases identical browser add-ons under different names to avoid detection by legitimate anti-virus and anti-spyware suites. These applications are useless for the user - their purpose is to generate revenue by the display of intrusive online advertisements.

Research shows that most Internet users inadvertently infect their computers with adware such as webrunn during the download of free software via small programs called 'download managers' on freeware download websites (such as softonic.com, soft32.com, and download.com).

Download managers are used to monetize these websites' free services by offering promoted browser extensions together with the chosen free software. Thus, reckless download and installation of freeware risks system infection with adware or malware.

This situation can be prevented by closely inspecting each step of the freeware download process and never accepting installation of any additional programs offered. Internet users who install downloaded freeware should choose the 'Advanced' or 'Custom' installation options - this will reveal all hidden applications listed for installation and users will be able to decline them.

If you have installed webrunn and observe "Ads by webrunn", "Webrunn Deals", and "Powered by webrunn" advertisements when browsing the Internet, follow this removal guide to eliminate webrunn adware from your Internet browser.

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Quick menu:

• What is webrunn?
• STEP 1. Uninstall webrunn application using Control Panel.
• STEP 2. Remove webrunn plug-in from Internet Explorer.
• STEP 3. Remove webrunn add-on from Google Chrome.
• STEP 4. Remove webrunn extension from Mozilla Firefox.
• STEP 5. Remove webrunn extension from Safari.
• STEP 6. Remove rogue plug-ins from Microsoft Edge.

Webrunn 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 "webrunn", select this entry and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted program (which causes webrunn ads), scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove webrunn ads from 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 "webrunn", select this entry and click "Remove".

Optional method:

If you continue to have problems with removal of the ads by webrunn, 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 on "Extensions". Locate: "webrunn", select this entry and click the trash can icon.

Optional method:

If you continue to have problems with removal of the ads by webrunn, 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 plugins from Mozilla Firefox:

Click the Firefox menu (at the top right corner of the main window), select "Add-ons". Click on "Extensions", in the opened window remove "webrunn".

Optional method:

Computer users who have problems with ads by webrunn 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 webrunn, 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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