can I install and run avast from a disc- infected and cant get to internet

can I install and run avast from a disc in safe mode? - I am infected and can’t get to the internet to downlaod it and install it

Dr.Web® LiveCD http://www.freedrweb.com/livecd/?lng=en
How does it work? http://www.freedrweb.com/livecd/how_it_works/