1

Avast is marking csgo.exe as Win32:Evo-gen [susp]. I removed the file from the quarantee and uploaded it to virustotal which gave 0/56 positives (even Avast said it was clean). Surely is a false positive, considering the fact that when Steam redownloads the exe file it, Avast marks it.

2

W32:Evo-Gen [susp] = suspicious

you may report it here https://support.avast.com → avast virus lab