Panda - Posts Top 10 viruses for first half of 2006

Rather than the launch of widescale email attacks, virus writers are choosing more sleath-like approaches to quietly infect PCs.  Keeping AV protection up-to-date and performing periodic scans are important to ensure a system is free of malware. 

Panda - Posts Top 10 viruses for first half of 2006
http://www.pandasoftware.com/about/press/viewNews.htm?noticia=7570

QUOTE: With the absence of widespread virus alerts, the first six months of 2006 has seemingly been a relatively quiet period. Yet this apparent calm is the result of the drive of malware creators to infect computers silently, ensuring their malicious code can operate undetected for a long as possible. An indication that they are still as busy as ever is the 19,367 new viruses detected over the last six months, only slightly less than for the same period in 2005