HELP! this virus wont go away! GAC_64\Desktop.ini

so ive been trying for hours now to get rid of this virus and i get the message that its here when i turn on my computer, AV says it needs to disinfect and it will delete after it restarts and yet its still there after i restart no matter how many times i do it. please help =.=

C:\Windows\assembly\GAC_64\Desktop.ini
C:\Windows\assembly\GAC_32\Desktop.ini

there are both even though my operating system is 64bit please help! im beyond frustrated with this

follow this guide and attach the logs from Malwarebytes quick scan / OTL / aswMBR
http://forum.avast.com/index.php?topic=53253.0