What is it?

What does it do?

SiS, who are now somewhat dead in the consumer graphics market, used the sistray.exe file to load their configuration utility into the system tray. The default location for sistray.exe is %WINDOWS%/System32/.

Virus Precations

sistray.exe is targeted by a few nasties, namely Trojan.Prova as seen here at Symantec. This variant stores itself into %WINDOWS%/Command/ rather than %WINDOWS%/System32/.