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Launch the browser, tap on the three dots at the top right of the screen, then choose Settings, Site Settings. Scroll down to Pop-ups and ensure the slider is set to Blocked. (See also: How to remove a virus from Android phone or tablet.
Open up Chrome, and then hit the three dots menu icon in the top right hand corner. Scroll down to 'Settings' and select it. Scroll down to, and select, 'Site Settings', and then 'Pop-ups'. Click that option.
Follow the given steps to set this configuration:
1.Go to Settings > Applications (or Security on 4.0 and above) on your Android device.
2.Navigate to the Unknown sources option.
3.If unchecked, tap the checkbox, and then tap OK on the confirmation popup.
Method 2 Using Ad-block Plus
1.Click the Chrome Menu (?) button.
2.Select More tools ? Extensions.
3.Click the "Get more extensions" link at the bottom of the page.
4.Search for "ad-block plus".
5.Click the "+ Free" button next to the Ad-block Plus entry in the Extensions section.
6.Click Add in the window that appears.
Most web browsers: Google Chrome, Opera and UC browser has pre-installed Adblocker and one can block ads through the browser settings and activating it. No additional app required.
To avoid such malacious files to infect the device and annoy us, download Avast app from Google Play store, install and activate the browsing shield to surf the web.