Driver Signature Bypass exploits – Some tools disable Windows Driver Signature Enforcement, leaving your PC vulnerable to rootkits.
Fake CAPTCHA pages – Many download sites (looking at you, uploaded.net and ddownload.com) use fake “I am not a robot” buttons that actually install ad-clickers.
Outdated software – A driver for Windows 7 will fail on Windows 11, but the installer will still run and corrupt your USB stack (requiring a system restore).
IMEI-changing tools are illegal in many countries (UK, India, Canada). Using them can permanently blacklist your MiFi from all networks.