http://www.torrentz.com
you need to download the utorrent app from the site so you can start downloading
and uploading.. what ever you want.
safe and free..
on search box of torrentz.com page, type the name of file you need then hit search button
none unless you pay
i use frostwire , but scan all files before putting them on my pc . i use a full security suite ( gdata int 2011 )
i save to desktop and scan all files from there