Ads.Yahoo.com popup appears in your browser, for example and in our case at Google Chrome, but it might also happen in Internet Explorer or Mozilla Firefox. This Ads.Yahoo.com are caused by malicious software. This malicious software use popups to promote ads thru the Ads.Yahoo.com website. This website Ads.Yahoo.com is used to promoted ads in order to earn revenue by Click Thru Rate (CTR).
This malicious software that cause the Ads.Yahoo.com, are made for one thing, and one thing only. To investigate your browsing behavior and to make money by advertisements. The distributors also often use the Google Search engine to promote inline advertisements on the right side of the Google Search engine or at the end of the page. They inject advertisement to make money using pay per click advertisements and redirects to other malicious domains. Do notice that Ads.Yahoo.com is used by distributors and the domain Ads.Yahoo.com has nothing to do with the malicious software that causes the pop-up ads.
It is advised to always read the Terms and Agreements before installing software on your computer. Do never click too fast thru the installation process [Next] button of software as you will agree to software you might not want to install. If the installer offers a Advanced or Custom option button, click it to find out if there is any other malicious software offered and installed during the installation process.