Malwarebytes Anti-Ransomware - It keeps track of all activity and, once it has enough evidence to determine a certain process or...
Spamihilator - The free Anti-Spam-Filter Spamihilator removes more than 98% of spam mails before they even get into your inbox.
AppCheck Anti-Ransomware - Protect your PC with 100% Signatureless Anti-Ransomware AppCheck
Mailwasher - Over 8 million people use MailWasher as their spam filter
Bitdefender Anti-Ransomware - Bitdefender anti-malware researchers have released a new vaccine tool which can protect against known and possible future versions of the CTB-Locker, Locky and TeslaCrypt crypto ransomware families by exploiting flaws in their spreading methods.
SpamAssassin - Use this program to "Unspam" your mailbox(es).