projutil.exe is part of a product called known as ArcView Projection Utility and the developer is (ESRI) Environmental Systems Research Institute, Inc. .
If you think that this file contains a virus or another malware, please download a virus scanner.
If projutil.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select ArcView Projection Utility from the list to remove the process projutil.exe from your computer.
If you have any problems with projutil.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting (ESRI) Environmental Systems Research Institute, Inc., the developer of projutil.exe and ask for more information.