VIRUS : Adding a "run at Windows startup" entry to the Windows Registry. Once a virus has infected your system, it ensures that it will be run automaticaly at every Windows startup by adding an entry to the Windows registry. This test simualtes adding an entry to the Windows registry in the "run at Windows startup" section. Please note that this attack may not be detected by basic anti-virus programs. This attack is detected and blocked by real-time protection software.