Ensure your anti-malware is up to date. If its a work computer let your security team know. If its yours probably clear cache close browser install anti-malware and scan the machine. I dont have time to dig into whats on that site to see what it does.
[Edit] HN Moderator removed it.
[1] - https://www.virustotal.com/gui/url/f298f1b568fccc7d942aa39c1...