Online advertisements interfere in normal working of users when you are online. 'Ad by Browser Extension' which gets delivered by the PUP virus potentially unwanted programs and the browser extensions which misleads the software marketing method known for bundling for infiltrating the Internet browsers such as Google Chrome, Internet Explorer, and Mozilla Firefox. By this method of marketing let developers to distribute their software with many other programs just because of this reason infections may download and install while you are downloading freeware. Ads by Browser Extensions are the Advertising Support website which redirects the users to its websites. This type of ads delivers banner, pop-ups, coupons and pop-up ads. By clicking on advertisement which are generated by the plugins of rougue which may leads to further adware or malicious infections.

Most of the freeware application downloads the websites make use of bundling the free services and traffic. All these websites claims that the download managers make use of '100% legitimate and virus-free' applications while they are downloading and installing the freeware often which leads to high-risk adware or other malware infections. In order to prevent the installation of adware this causes ‘Ad by Browser Extension’ ads which examines each and every step of the free software download steps and uncheck every additional application for example:  browser setting modifications, add-ons, toolbars, etc. which are listed in the installation. In addition to it, let you select the 'Custom' or 'Advanced' options for the downloading the software. These bundled applications that are listed in the application will allow terminating them. You are advised to follow the removal process that is provides in the un-installation of all suspicious plug-ins from the Internet Browser. 

The Rogue Browser add-ons which generate 'Ad by Browser Extension' ads are similar to other adware applications.  It provides you with useful features and delivers invasive online ads. These invasive ads are result of online ads that are employed by potentially unwanted programs which gets displayed on the websites while you are visiting and even gets bundled up with browser plug-ins. With the installation of extensions on the browsers can prevent you from paying close attention on each step of the free software while you are downloading and installing. In order to eliminate the annoying ads you need to study the list of extensions from the Internet browser settings and uninstall the suspicious installed browseradd-ons which are recently installed.