There is no reason to buy Reason Core Security (
pun not intended).
I have used the Complete version in the 2017, later requesting a refund as it did not meet my expectations.
You can compliment your real-time Antivirus with RCS Free. The Bundleware Protection (anti-PUP) is basically Unchecky, which can be downloaded from Unchecky.com. The original developer of Unchecky will continue to support the standalone version.
Product Info:
Unchecky - Keeps your checkboxes clear
The Free version of RCS does NOT remove detected Adware or Malware.
Product Info:
Download - Reason Core Security
Alternatively you can download AdwCleaner (by Malwarebytes) to remove Adware/Spyware.
Download Mirror:
AdwCleaner
Product Info:
AdwCleaner - Free Adware Cleaner & Removal Tool
Don't waste your time if you already have a trusted Antivirus installed, instead focus on hardening the OS and locking down your browser to prevent nasties. Also keep tabs on your browsing habits, reduce the risk by learning the Do's and Don'ts.