With no credited source or creator attached, this clip circulates simply as a generic fear sound, even listed in Portuguese as áudio de medo. Its appeal is its length, at just 144 milliseconds it can be layered over any video without covering dialogue or music. Short-form editors reuse it for horror memes, Halloween posts, haunted house clips and fake jumpscares, where a longer drone would slow the joke down. That portability across languages and genres is why such a tiny sting keeps getting reposted.