ESET NOD32 Antivirus 4
Our product delivers the best proactive protection against increasingly sophisticated threats and is known for being fast and unnoticeable. It lets you focus on things you care about, not your antivirus. The software uses a powerful combination of advanced heuristic technologies and automatic updates of malware signature databases, detecting and eliminating a rapidly growing number of unknown threats. Its proactive capabilities protect your computer and data even against never before seen malicious code.