These sites force you to turn off your ad blocker and click through multiple pages. You might be asked to solve a captcha that is actually a disguised ad click, or download a suspicious "extension" to proceed. These extensions are often malware in disguise.
Example of an auto-execute trick found in a real Sushi variant:
The "sushi" theme adds harmless novelty. It's less threatening than "bomb script" or "worm." That's precisely how tricksters lure victims – with a cute name hiding sharp teeth.