Mamutu Malware Blocker is based on a-squared anti-malware which is a great tool for blocking malwares. You can get this for free thanks to GIZMO which is offering you a $27 discount on it i.e. you can get it for free.
Some of the basic Features associated with it are :
# Monitors live all active programs for dangerous behavior (Behavior Blocking).
# Recognizes new and unknown Trojans, Worms and Viruses (Zero-Day attacks), without daily updates.
# Small but very powerful. Saves resources and does not slow the PC down.
How to get it for free :
1. Go to http://www.emsisoft.com/en/order/
2. Select the Mamutu by clicking the “Buy now” button.
3. Select the “Single PC – 1 Year” by clicking the “Buy Now” button.
4. On next page, Check the checkbox labeled “Check to enter coupon code” and enter the discount code “GIZMOSFREEWARE“. Click the “Apply” button.
5. Enter your delivery details and select “Cash” payment option only otherwise your subscription will be renewed automatically next year. Click “Next”.
6. Review your details, check the subscription agreement box and click the “Complete Purchase” button to finish.
7. Download your product Mamutu from: http://www.emsisoft.com/en/software/download/ and follow the setup instructions. Use the user account details you’ve got on the purchase confirmation page to unlock the full version.