Angels have the Phone Box
Yes, I'd like to see them please.
WinYahoo - PUP
PUP Modifies Chrome Secure Preferences | Malwarebytes Labs
I'll bet it was SAS - it monitors that actively; even with the free version. Hope you have the ROOTKIT box checked on this MBAM run?
Again, if you continue to have warnings/problems, we might need to have a look at a FRST scan. Let me know.
I *think* Quick Boot and Secure Boot would need to be disabled to do things that way, You might want to try EasyBCD. They have a free for personal, non-commercial use version:
EasyBCD - NeoSmart Technologies
No support (obviously), but there are people here who can help if you have questions. But, using this, you can maintain the UEFI Secure Boot settings, which are in place for security (which is something you really need).