Aartemis.com claims of itself to be some sort of a portal site. In reality, if you see this site name in each new search tab you open in your browser, this means that aartemis.com is a browser hijacker, a program which nests deeply in your system. In particular, it has hijacked your browser and now is set as its home page and search engine. This guide is about removal of the Artemis Portal Site from your computer.