Received this in the January Malwarebytes newsletter.
Now offering Malwarebytes 1.60 for new customers and additional licenses at 40% off for $14.99! (AUD)
Regular price is $24.95 (AUD). Malwarebytes Pro is a lifetime license for consumers (Program and database updates are free). No yearly purchase required, just buy it once.
Available until 2/3/2012 12:00AM PST.
The newsletter link is linked above, alternatively use the coupon code.
weak discount imo, considering many competitors often give 12 mths subs for free whenever they run a promo. That's why I feel that AV and the likes should be opensourced.