No, this is no a new CAPTCHA, this is a new malware vector which tricks users to open #Windows command line and paste a command to download some harmful stuff.

Just reported by Mohamed Aruham on Twitter.

Mohamed Aruham #boleh (@aruhamm) on X

Interesting vector, ever seen this before @_JohnHammond?

X (formerly Twitter)

@kravietz
1. press Windows Button + [enter]
2. press CTRL+Shift+V
3. press Enter

fixed to run in gnu linux distro with default i3 config.