Full-screen fake Windows Update or captcha tricks users into pasting and running attacker commands. Malware is steganographically stored in PNG pixels; a .NET Stego Loader extracts, decrypts, and runs ...

The fake update screen then encourages the user to press the Windows button together with the R key—a little-known function to open the run dialog box, a way to launch programs on a Windows PC. All ...

ClickFix attack variants have been observed where threat actors trick users with a realistic-looking Windows Update animation in a full-screen browser page and hide the malicious code inside images.

The update screen is a normal occurrence on Windows machines, so of course hackers are now manipulating it to sneak malware onto devices. The scheme, a recent iteration of a ClickFix attack, is ...