What is Su2.ff.avast.com?
Su2.ff.avast.com is caused by malware that tries getting in your computer. According to some users that use Avast! Antivirus, they will keep getting a malicious website blocked message for the site su2.ff.avast.com.
This malicious site can mess up all the browsers installed on your computer such as Internet Explorer, Google Chrome or Mozilla Firefox. It changes your browser settings without your permission so you will find it redirects your webpage over and over. It is dangerous if your browser reroutes to malicious sites and downloads malicious programs. You will feel annoyed to use your computer that has been attacked by unstoppable pop-ups.