Grassmow Ads

What is grassmow?

Created by SuperWeb LLC, grassmow is a rogue browser add-on claiming to improve users' Internet browsing experience by enabling coupons, comparison shopping, and other functions. Although this may seem to be legitimate and useful functionality, be aware that grassmow is categorized as a potentially unwanted program (PUP) or adware.

The developers of this rogue browser add-on employ a deceptive software marketing method called 'bundling' to install grassmow on Internet browsers (Internet Explorer, Mozilla Firefox, and Google Chrome) without users' permission.

Following successful infiltration, grassmow generates numerous intrusive online advertisements including interstitial, transitional, search, in-text, banner, and full-page ads. There is a high probability that clicking these advertisements will cause high-risk adware or malware infections.

Furthermore, users' Internet browsing activity is continually monitored, since grassmow records various software and hardware information including, for example, search queries entered, website URLs visited, pages viewed, IP addresses (to determine users' geo-locations), unique identifier numbers, and other similar details that are likely to be personally identifiable.

SuperWeb LLC has released hundreds of potentially unwanted applications simillar to grassmow. Examples include: KingThink, Dolphin Deals, and HasBrowse among many others.

None of these rogue browser plug-ins are useful to the user - their purpose is to generate income by the display of intrusive online ads. In addition, the behavior of these PUPs may result in serious privacy issues or identity theft, and therefore, you are strongly advised to uninstall grassmow from your Internet browsers.

Research shows that most adware is distributed via small programs called 'download clients' on freeware download websites such as soft32.com, download.com, softonic.com, and many others. Download clients are used to monetize these websites' free services and traffic by offering installation of advertised 'legitimate' browser plug-ins together with the chosen free software.

Thus, careless downloading and installation of freeware risks computer infection with adware or malware. This situation can be prevented by closely studying each step of the free software download procedure and clicking 'Decline' if installation of any additional applications is offered.

Furthermore, if you are installing already downloaded software, select the 'Custom' or 'Advanced' installation options - this will reveal any bundled applications listed for installation and allow you to decline them.

Internet users who have already installed grassmow, and observe "Ads by grassmow", "grassmow Deals", and "Powered by grassmow" advertisements, should read the following removal guide to eliminate this adware from their Internet browsers.

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Quick menu:

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

Grassmow 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 "grassmow", select this entry and click "Uninstall" or "Remove".

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

Remove grassmow adware 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 "grassmow", select this entry and click "Remove".

Optional method:

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

Optional method:

If you continue to have problems with removal of the ads by grassmow, 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 "grassmow".

Optional method:

Computer users who have problems with ads by grassmow 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 grassmow, 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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