The best anti-malware prevention is the finger you use to left-click your mouse. The safest key on your keybpard is ESC and is much more powerful than hoping for an Undo feature.
Kaspersky
Kaspersky's award-winning anti-malware technology continues to rack up the awards – from the independent testing labs to product certifications to product reviews. There are more than 300 million users protected worldwide by Kaspersky technologies, with over 150,000 new customers added every week.