iinstall.exe is known to be a type of virus. This process must be deleted from your PC immediately to prevent damage and protect the security of your PC.

Downloader.W32.180SearchAssistant is a type of malware, and iinstall is linked to it. Spyware and viruses often masquerade as essential files, so backing up your PC before removing files is a very good idea.

A good way to ensure that you only remove spyware files is to use Computer Associates's free scan of your PC.

If iinstall.exe is active on your PC, the chances that additional adware or viruses are still on your system are pretty high. Get a free scan of your PC by clicking this link.