Mac : com.avast.deamon = 100% processor !

Hi,

I have a MacBook Pro Retina (Aout 2014) : i7 2.5Ghz /16 Go/ SSD 512 Go / FILEVAULT 2 /on Mac OS X Mavericks 10.9.5

From last week : my mac freeze when I use finder (file/folder, etc…)

I see this process : com.avast.deamon = 100% processor !

http://img11.hostingpics.net/pics/128916avast.jpg

http://img11.hostingpics.net/pics/234374c20141111122941.jpg

Thanks for your help.