1)   Mamutu 1.5.0.22
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.

 2)   F-Secure Internet Security 2007
F-Secure Internet Security 2007 provides a complete and easy-to-use protection against viruses, hackers, spam, spyware, root-kits and unwanted Internet content. New! F-Secure DeepGuard technology protects your computer against zero-day attacks.