Kkzkk.com

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kkzkk.com was a malicious Korean screamer webpage registered on December 12, 2005, the creator of the website remains Anonymous, As of 2013, it was temporarily shut down by the South Korean government for containing malicious scripts and pop-ups as well as being spread across the internet in around-2013. it used to be a normal website, but it was purchased by a troll and replace all of its contents with an screamer on 2012.

when opened in 1 second, the site will consequently fullscreen your PC surrounded by an array of screamer pictures of Pazuzu, Ahenobarbus Henocied, Regan MacNeil, and a blue-tinted ghostly woman in slow quick succession accompanied by a female scream which repeats again as soon as the screamer change itself in every 3 seconds. a dialog box stating "What The Hell !!!" will show up towards the beginning, However, the site may look harmless at first, but there is a malicious code running constantly, that could destroy your PC generally, except if you're using effective Anti-Virus like Kaspersky or Avast, will potentially blank the whole content within the page.

Malicious Script
Additionally, The Malicious code was programmed using Javascript to create simple functions to perform specific tasks, and HTML5 was used to execute the functions quickly, its basically a script that prevents the user from closing the site by displaying unlimited pop-ups to increase the CPU usage which makes the cursor move jiggly and slowly, it makes it even harder to close the tab.

Links
NOTE : The following website contain lots of screamers, as well as a that may harm your computer!
 * Website Taken Down: kkzkk.com
 * Wayback Machine Mirror: web.archive.org/web/20130119075140/kkzkk.com/

Preview
NOTE : The screamer images are shown in this video, so watch it at your own risk!
 * youtube.com/watch?v=03E0dRqYP-w