What is greenfffffff.com?
Greenfffffff.com is a constantly Security Alert for your confidential information. The pop-up window from this domain is mainly about your computer is at risk and need to call the given number to get it fixed. This greenfffffff.com seems to detect something bad on your system and offer so-called removal service or programs to deal with the problems it finds. Actually, greenfffffff.com just presents fake system alert to scare you into contacting the given number which may demand certain fee to fix the problems.
Greenfffffff.com is also classified as a browser hijacker. It can cause browser freeze unless you end your browser processes on the task manager. Once infected with this dubious website, your homepage and new tab URLs will be replaced by the random ones offered by greenfffffff.com. As a result, you will keep redirecting to its suspicious domain telling you that your computer has been infected.