"The engine, which resides in the computer's BIOS, replaces a core Windows system file with its own, allowing files to be downloaded once the device is connecte

"The engine, which resides in the computer's BIOS, replaces a core Windows system file with its own, allowing files to be downloaded once the device is connected to the internet." https://www.zdnet.com/article/lenovo-rootkit-ensured-its-software-could-not-be-deleted/ https://www.zdnet.com/article/lenovo-rootkit-ensured-its-sof...