Its name was Winamp 5.7.

The sound was wrong.

Leo grabbed his phone and scanned the code. It led to a plain text file hosted on a GeoCities mirror:

“Thanks for testing Winamp 5.7. You have 37 days left.”

Leo sat in the dark until dawn. He didn’t sleep. He didn’t reboot. But the next morning, when he checked his task manager, the process was still there. winamp.exe — 4.2MB of RAM.