Malwarebytes Anti-Ransomware - It keeps track of all activity and, once it has enough evidence to determine a certain process or...

Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .

AppCheck Anti-Ransomware - Protect your PC with 100% Signatureless Anti-Ransomware AppCheck

Avira - Cloud based email security solution

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.

Microsoft Security Essentials - Microsoft Security Essentials is Microsoft's own foray into the world of virus protection.