When run, it will simply pop up an empty DOS prompt window which then immediately close. However, its deadly payload occur when the date is January 7th, when any application is run it will pop up a message box:
.... "A HUM4N G0D THA7 WAS MAN-M4DE WH3RE 1S Y0UR SAViOR N0W?!"
Applications from now will likely fail to run or crash mid-execution. One such error occurs on explorer, and suggests you restart your PC. However, when the user does restart, they will be greeted by nothing more than the Windows bootup screen, and no more. The machine is now rendered completely useless, as it cannot even boot into safe mode, or even the DOS prompt.