What is it?
IIS Debugger Tool- inetinfo.exe

What does it do?
inetinfo.exe? - This is a vital system process for anybody running an IIS based server. If you're having a problem with this process crashing then Microsoft has a patch for you here.

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:WINDOWSSYSTEM32INETSRVinetinfo.exe