iinstall.exe is known to be a type of malware. Backup your hard drive and remove this file, or perform a free scan of your hard drive to be certain.

iinstall has been linked to the malware Downloader.W32.180SearchAssistant, and should be cleaned immediately. Viruses and malware can be very tricky. Malware creators know their files will be removed if found, so they sometimes give the files names that are similar to known legitimate files.

To be sure that you are not removing legitimate files, use Computer Associates's free scan of your hard drive.

If iinstall.exe is running on your hard drive, the chances that more adware or malware are still on your computer are pretty high. You can avoid future problems with viruses and malware by using this free hard drive scanning tool.