Several Visual Studio assemblies recognized as Evo-gen [susp]

Within the last few days, several visual studio assemblies are being recognized as Evo-gen [susp]

Various Microsoft.VisualStudio.* files in C:\Windows\assembly\NativeImages_v4.0.30319_32.…
I thought it would be noticed quickly and fixed, but within the last few days, more files from there are being recognized as suspicious.

Note: On-demand scan of the files says no threat. It happens when files are accessed by processes. Starting Visual Studio will trigger it.

Note: On-demand scan of the files says no threat. It happens when files are accessed by processes. Starting Visual Studio will trigger it.
Evo-gen [[b]susp[/b]] = suspicious , is a on access only warning

You can report it using one of these options…you may add a link to this topic in case they reply here

You can upload files and report issues to avast here : http://www.avast.com/contact-form.php (select subject according to Your case)

You can use mail
send to virus@avast.com in a password protected zip file
mail subject: False Positive / undetected sample (select subject according to your case)
zip password: infected

or you can send files from avast chest
how to use the chest. http://www.avast.com/faq.php?article=AVKB21