At.yhs4.search.yahoo.com is a terrible browser hijacker that comes in the targeted PC by bundling itself with other legitimate program without the users concern. After installation, it replaces the default search engine and homepage with At.yhs4.search.yahoo.com. It also develops random shortcuts for social sharing websites in particular. The freeware program that installs this vermin doesn’t disclose that they are containing additional malware infection with them. It alters the important registry entries and System files so that it could allow third party to hijack your PC completely.
The issues of webpage redirection and promotions of commercial websites are faced by world-wide users these days. Users are unable to work properly because they see commercial ads and notification on every webpage that they visit. Additionally, many have complained of facing data theft. Actually, technical researches says that the it adds questionable plug-ins and add-ons in the browser that spy on users activities and tries to cheat the highly sensitive information such as browsing movement, bank account details, password, log-in information and so on. The collected data is shared with third party for financial benefits. So it is important to be attentive and take early steps to delete At.yhs4.search.yahoo.com as quickly as possible.