ChocoLOCK
ChocoLOCKScreen
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Error screens

Fake BSOD

The Windows 10 blue screen: the sad face, the message, the climbing percentage and a real QR code. For a prank or an awareness session.

Desktop

Progress settings

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Internal server error
Error code 500
Browser Working
Chocolock Error
Host Error

Cloudflare Error

500 Error

The Cloudflare 500 error page, reproduced column by column, in fullscreen. The site looks down.

Desktop

Open detail

Windows 11 Spam

Pop-ups

The Windows 11 alert windows pile up without end on a real desktop. Nothing opens on your system.

Desktop

Open detail

Windows XP Spam

Pop-ups

Windows XP pop-ups piling up over the green hill, in fullscreen. The chaos of 2003, minus the viruses.

Desktop

Open detail

RANSOM COOKIES
YOUR SESSION HAS BEEN LOCKED!
00:00:42

Ransomware Cookies

Fake virus

A fake ransomware demands cookies in fullscreen. The timer runs, and nothing gets encrypted.

Desktop

Open detail

37 threats detected

budget_2026.croissant

Threat detected

Trojan.Croissant.A

Action: converting to croissant

Threat detected

Trojan.Croissant.A

Action: converting to croissant

Threat detected

Trojan.Croissant.A

Action: converting to croissant

🍪🍪🍪🍪🍪

Croissant Virus

Fake virus

An antivirus panics, files turn into croissants and cookies multiply across the screen. Nothing is infected, except the reputation of whoever forgot to lock.

DesktopMobile

Open detail

Session left unlocked

Cookie rain

Physics

Hundreds of cookies fall and pile up; a window drops in the middle to say who's bringing the croissants. Grab them, throw them, everything bounces.

DesktopMobile

Open detail

And the real ChocoLOCK
Croissantage, the cybersecurity edition.

A colleague left their session open? ChocoLOCK generates the lock screen to put on it, with the QR code that sends them out for pastries.

Free. Your colleagues lock their PC from the second time on.

See how it works