malware/ trojan attacking browsers

Malwarebytes discovered the Trojan Dropper in rundlll.32exe file. Windows Defender (WD) did not detect in a scan performed immediately before. I removed with Malwaebytes and did a follow-up scan with Norton Power Eraser which was negative. ...

I have a backdoor Trojan (malware) on my computer and I couldn't be bothered to reformat my PC until the opportunity was given to me in windows 10. I still want to keep my PC but I want the malware to be completely gone, so in my situation would...