Cinem4S-2.1 is a new adware attacking a lot of PCs and implanting its malicious codes into the majority of contemporary browsers. Ads brought by Cinem4S-2.1 will come up when you visit all kinds of commercial sites, such as B&Q, Dixons and many others. We’ve seen that this adware may attack the United Kingdom of Great Britain and Northern Ireland primarily. However, other countries aren’t an exception and could be targeted by it as well. In this guide we will help you to remove Cinem4S-2.1 ads from your browser.