During 2010, authors continue to innovate so that many malicious attacks sent a unique sample each time to evade detection. Command-and-control botnets, targeted attacks, and highly polymorphic malware families resulted in millions of unique samples captured by AV-Test during the past year.
AV-TEST reports MILLIONS of unique Malware samples during 2010
AV-Test HOME PAGE
QUOTE: Andreas Marx at AV-Test has shared some more information which highlights the significance of the malware problem. The numbers are staggering — AV-Test processed an average of 54k samples per day in 2010, up from an average of 33k in 2009 — and up from 426 samples per day just a decade ago.