Win32:Evo-gen [Susp]

Hello
I get this everytime i try to install a game that I borrowed from the library. Is it a virus or shall i just ignore it?
Thx

Get what? A screenshot would help a lot!

Win32:Evo-gen [Susp] = Suspicious

You may upload and test detected file at www.virustotal.com / www.metascan-online.com / www.jotti.org