Mailwasher - Over 8 million people use MailWasher as their spam filter
AppCheck Anti-Ransomware - Protect your PC with 100% Signatureless Anti-Ransomware AppCheck
SPAMfighter - SPAMfighter and Microsoft have built the strongest and most effective anti spam filter for Outlook, Windows Live Mail, Outlook Express & Thunderbird
Malwarebytes Anti-Ransomware - It keeps track of all activity and, once it has enough evidence to determine a certain process or...
Spam Reader - Spam Reader is a free anti-spam add-on for Microsoft Outlook.
CryptoPrevent - CryptoPrevent is an Anti-Virus/Security Software Supplement, originally designed in late 2013.