When a user saw a filename like A Rider Needs No Pants.avi.rar , they expected a compressed video. But if that file ended in .exe or .scr , double-clicking it wouldn't open a video player—it would install a virus. The "avi.rar" combo was a common way to make a file look legitimate while hiding its true, potentially harmful nature. The Culture of "Internet Garbage"
: This was the king of video formats in the early 2000s. Seeing ".avi" promised the user a movie or a video clip. A Rider Needs No Pants.avi.rarl
The string is a "nested extension" nightmare. Let’s break it down: When a user saw a filename like A Rider Needs No Pants