> The original site is, for example:
> <http://www.asdf.com/> but the files that i want to
> download are in here <http://files.asdf.com/>

Did you try to add
+files.asdf.com/*
to the scan rules list ?
> Is there any way i can download (or find out names
> of files) on that site (in this example
> <http://files.asdf.com/>)?
If the site is not making refereces to these files, there is no other way to
download them;