When activated, it displays a fake error message from MSWORD.exe, pauses, and displays a binary fake error message, followed by Microsoft Sam saying:
CAUTION! A virus has been detected.
Blackcom then displays more fake error messages with one regarding svchost.exe, pauses, and intiates a system shutdown in 10 seconds that corrupts hall.dll the system32 directory, rendering Windows unavailable to boot.
In addition, Blackcom will change the internet homepage to a YouTube screamer.