According to its published details, this clip was made on 18 February 2015 as a short voice-changer experiment using vocoder-style processing, rather than being taken from a film, television show or game. The tags point to Vocodex-style vocoding, which explains its layered, synthetic chord quality. At under a second long, it circulated as a compact dramatic sting for meme edits and short videos, where a quick ominous hit is more useful than a longer musical cue. Its appeal has lasted because it is instantly recognisable as a warning, without needing dialogue or context.
About this sound
This short evil chorded sound effect is a dark vocoder chord made with a voice changer, often used for villain reveals and dramatic meme moments.
The evil chorded sound is a very short, low and distorted chord that feels deliberately ominous, like a warning note played through a vocoder. Its layered, slightly robotic tones rise together and then stop abruptly, leaving a tense silence that makes a reveal feel more dramatic. Because it is so brief, it works as a punctuation mark rather than background music, instantly signalling that something sinister, sneaky or unexpectedly dark is about to happen on screen in the next few seconds.