Trojan.Zeroaccess!inf4: services.exe and desktop.ini in C:\Windows\assembly\GAC_64 or GAC_32

Hi,

 

Using symantec endpoint protection, i have only one result when i'm doing the analysis : services.exe

But sometimes, i've got 2 popups with C:\Windows\assembly\GAC_32\desktop.ini and the same with GAC_64...

 

I'm totally unable to fix this. As a consequence (to confirm), when i'm doing a research on google and click on the results, i end up sometimes on ebay or whatever...and if i click again on the google result, i end up on the right page....

 

I've read several threads on this, i already have my USB stick ready, please advise, i need some help.

 

thank you very much