Zquirrel.com is classified by security specialists as a browser hijacker, with the main purpose is to include promoted links into search results and store user”s browsing data. If your PC get infected with Zquirrel.com, the first thing that will confuse you is your homepage – Zquirrel.com will redirect you to its malicious domain and show itself up instead of your habitual browser start page. It will be really hard to find something you looking for. And the saddest thing about Zquirrel.com is that this hijacker can infect all popular browsers: Google Chrome, Mozilla Firefox, Opera, Internet Explorer etc.