iStart123.com is an aggressive browser hijacker that changes your browser homepage, default search engine and causes annoying browsing redirects. iStartSurf virus is distributed together with various freeware as an additional install.
Once installed, iStart123.com modifies your DNS settings and hijacks main browsers, such as Google Chrome, Firefox and Internet Explorer. That results in continuous redirections to the domain iStart123.com. iStart123.com malware collects and stores all information about victims activity, logs every website you visit. All gathered data is sent to marketing companies or cyber criminals.