What kind of real-time scanning does avast! use?

General Topics
1

I’ve tried the new Avira AntiVir Free 7 and I see its Guard (real-time scanner) has the file selections as the following

  • all files
  • use smart extensions (scanning by file content)
  • use file extension list (scanning by file extension)

I’ve noticed that using file extension list is faster than using smart extensions, so what kind of real-time scanning does avast! use? scanning by file content or by file extension?

I think avast! standard shield uses file content to perform the real-time file scanning, right?

Thanks.

2

Could you set it in the same system with avast installed? How?
I’ve failed on this…

I think, maybe I’m wrong, that both antivir and avast use file content recognition in these two situations.
The first, use a default set of extension files scanning recognizing the contents of them.
The other, scans just the files listed there, but still recognizing them by content.

Probably you’ve set a shorter list than the whole default smart extensions catalog.
Maybe I’m wrong…

3

Yes, avast! checks the file content to determine the file type.