heh...it's pretty much my laptop's setup, BD Free, MB3 Free, uBlock Origin, CCleaner.
I think SmartScreen is part of Windows Defender, which gets disabled with Bitdefender. It doesn't kick in with the test page,
SmartScreen Demo
ZAM free is nice; I've used it since beta. It showed how SecureAplus and herdProtect were actually worse, in spite of more engines (5v12v68).
On-Demand you can pull no punches--especially since you're likely running them because you suspect an issue; I like Emsisoft Emergency Kit and AdwCleaner.
MyDefrag for platter drives, hands down, especially if you want to script your own defrag algorithms.
If your laptop is typically stationary and you have an additional drive, Windows File History is really, really nice.
WoT isn't back on Firefox yet (I use it on Chrome) but a "traffic light" thing may be useful. I've found WoT to be better at flagging fake sites than the AV companies' extensions.