Although it is likely harmless, it is good practice to run a scan with reputable software like Norton to ensure no secondary malicious software was downloaded. How to Protect Yourself from Similar Pranks
: It displays a black-and-white flashing screen with three smiling faces and a voice singing "You are an idiot, hahahahaha!". You Are An Idiot Fake Virus
If the looping audio plays without a browser open, you may have run the standalone worm or a similar executable file. Run a full antivirus scan and check your registry for suspicious "run" keys that may be triggering the audio file on startup. Although it is likely harmless, it is good