What is karatoh?
Developed by SuperWeb LLC, Karatoh is a potentially unwanted browser extension claiming to improve users' Internet browsing experience by enabling coupons, comparison shopping, and adding other useful features. This may seem a legitimate browser add-on, however, it is considered to be adware.
Karatoh uses a deceptive software marketing method called 'bundling' (stealth installation of additional applications together with the chosen software) to install on browsers without users' consent.
Following successful infiltration on Internet Explorer, Mozilla Firefox, and Google Chrome, Karatoh generates various intrusive online advertisements including interstitial, transitional, banner, search, text-link, and full-page ads.
Furthermore, users' Internet browsing activity is continually monitored, since this rogue browser plug-in records various software and hardware information such as URLs visited, search queries entered, pages viewed, IP addresses, unique identifier numbers, and other similar information.
This behavior may lead to serious privacy issues, identity theft, or malware infections. At time of research, SuperWeb LLC has released over one hundred rogue browser extensions identical to Karatoh including AtuZi, Sizlsearch, and Gerbilio.
This company releases identical browser add-ons under different names to avoid the detection by legitimate anti-spyware and anti-virus programs. Neither Karatoh, nor any other of these extensions add any real value for the user. The main purpose of these rogue browser plug-ins is to generate revenue by the display of intrusive online advertisements.
Most adware such as Karatoh is distributed via small programs called 'download managers' within freeware download websites such as download.com, soft32.com, and softonic.com. These websites use download managers to monetize their free services by offering installation of promoted browser extensions together with the chosen free software.
In most cases, careless download and installation of freeware results in adware or malware infections. This situation can be prevented by closely inspecting each step of the free software download process and declining installation of any additional applications offered.
If you are installing downloaded software, choose the 'Custom' or 'Advanced' installation options, rather than 'Quick' or 'Regular' - this will reveal any hidden applications attempting infiltration, and you will be able to decline them.
Users who have installed Karatoh and observe "Ads by Karatoh", "Powered by Karatoh", and "Karatoh Deals" when browsing the Internet, should follow this removal guide to eliminate it from their Internet browsers.
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- What is karatoh?
- STEP 1. Uninstall karatoh application using Control Panel.
- STEP 2. Remove karatoh plug-in from Internet Explorer.
- STEP 3. Remove karatoh add-on from Google Chrome.
- STEP 4. Remove karatoh extension from Mozilla Firefox.
- STEP 5. Remove karatoh extension from Safari.
- STEP 6. Remove rogue plug-ins from Microsoft Edge.
Ads by karatoh 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 "Karatoh", select this entry and click "Uninstall" or "Remove".
After uninstalling the potentially unwanted program (which causes Karatoh ads), scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove Ads by karatoh 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 "Karatoh", select this entry and click "Remove".
If you continue to have problems with removal of the karatoh ads, 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: "Karatoh", select this entry and click the trash can icon.
If you continue to have problems with removal of the karatoh ads, 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 "Karatoh".
Computer users who have problems with karatoh ads 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.
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.
If you continue to have problems with removal of the karatoh ads, 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.
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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