avast detecting nvidia modified XG drivers as virus

i have been using avast for long time, and seems that after recent update (not sure which one) that avast is detecting XG drivers (nvidia modified drivers) as a virus
W32 Trojan-Gen {UPX!}

it picked out the setup.exe file in 3 XG driver folders, but it did not find virus in other drivers (regular and modified)

i tried trend micro and RAV online scan and it did not find anything

so i think it is avast that is detecting it wrong
you can find the drivers at www.guru3d.com

i am using …

  • program 4.6.652
  • vps 0517-0