HI Ella, you can boot on penrive with two ways:
(Remeber make a bootable USB flash drive when make HitmanPro.Kikstart)
Select booting:
- At notebook power off insert your pen drive in usb port
- Power on your laptop
- Press the Boot Menu Key, usually Esc or F12 when the display starts or when you see Samsung Logo
- Select USB-HDD or “Patriot Memory”
Select Bootlist:
The samsung notebook going to bios with push F2 button at power on while you see SAMSUNG LOGO.
Use the right arrow to move menu in BOOT , and select the pendrive with first boot and secondo boot the hdd
Good luck with clean a ransomware
SpaRulez