Uninstalling a stubborn adware off your PC can be a daunting task. One may think, how these adware slip in even if you have protection software installed. Well, Microsoft via its post on Malware Protection center page explains it could possibly due to another piece of potentially unwanted software download: software bundlers.
Adware & Ad-Injection
These programs install adware alongside programs you can get for free. Adware that play a pivotal role in injecting advertisements into site you browse include Adware:Win32/InfoAtoms and Adware:Win32/Addlyrics. Some adware programs go to the extent of monitoring your Internet surfing to target the Websites that you log on to, and then generate automatic pop-up advertisements based on your browsing habits.
These adware programs insert additional ads into search engine results. When you accidentally or by purpose click these adds injected into the software, you are directed to an unofficial download source instead of the official one, Search engines make some of their money from ads they post. since, you are directed to a different source, the search engine doesn’t get revenue. Instead, the money goes to the person controlling the adware. And neither the search engine nor the customer benefits from this.
Microsoft security products consider adware something that the user should be informed about. Hence, recommends some safety measures to be taken while downloading any free program. It also shows an example of what the injected AddLyrics ads look like on the Google homepage.
Go here for more information on the topic.
