COMODO Internet security premium + Malwarebytes pro
COMODO premium is free and I find it pretty awesome (after some minor tweaks).
Info from their website:
Antivirus: Tracks down and destroy any existing malware hiding in a PC.
Anti-Spyware: Detects spyware threats and destroys each infection.
Anti-Rootkit: Scans, detects & removes rootkits on your computer.
Bot Protection: Prevents malicious software turning your PC into a zombie.
Defense+: Protects critical system files and blocks malware before it installs.
Auto Sandbox Technology™: Runs unknown files in an isolated environment where they can cause no damage.
Memory Firewall: Cutting-edge protection against sophisticated buffer overflow attacks.
Anti-Malware Kills malicious processes before they can do harm
http://www.av-test.org/en/antivirus/home-windows/windows-8/october-2014/comodo-internet-security-premium-7.0-144090/
