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.

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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.

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3. Select the “Single PC – 1 Year” by clicking the “Buy Now” button.

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4. On next page, Check the checkbox labeled “Check to enter coupon code” and enter the discount code “GIZMOSFREEWARE“. Click the “Apply” button.

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5. Enter your delivery details and select “Cash” payment option only otherwise your subscription will be renewed automatically next year. Click “Next”.

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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.