Malwarebytes stops malware , viruses, randsomware, so why wouldn't it stop scammers ? It's a app for almost any cell phone that you have also is available for Windows computers . Look into it and you may find something out that can help you .
Yes!! There is an app called "Scampedia" it can help you in defending from various scams and frauds. I am using this app from many days, through this app you can also know if Scammer present in your contact list. You can post scams to aware others of different scams.