hello

Download will offer Pups, a toolbar that is lot crap (garbage) as the User has not requested, avast blocked access, a fake installer.

https://www.virustotal.com/en/file/7ecdca6dd1f94d9214de59a003c2b769683b2fb74e7ee21a5aacb2d57ce9da36/analysis/1404089278/

Read more

http://blog.avast.com/2013/03/20/avast-browser-cleanup-at-work/