i am a new mac user and I decided to choose avast as my anti virus program
when I scan my mac with avast for the first time I got this
http://img607.imageshack.us/img607/6936/screenshot20120807at933.jpg
what is this and how can I get rid of it? and does avast protect against spyware and malware? if not are there any free programs that does protect against malware and spyware for free for mac?