What is it?
Intel Graphics Tray- igfxtray.exe

What does it do?
igfxtray.exe? - This application gives you easy access to your Intel graphics configuration by giving options to you in the system tray.

Virus Precautions:
You'll want to keep an eye on this google search for any known viruses. The normal location of this file is C:WINNTSystem32igfxtray.exe