Microsoft's Anti-Piracy team this week launched a global campaign "Piracy Lurks Everywhere" informing small businesses about the risk of counterfeit software when acquiring or downloading software from the Internet.
"In a test of software acquired through common channels, The Harrison Group found in August 2011 that 24% of machines that run counterfeit software either became infected at installation or downloaded and installed malicious software upon connection to the Internet. On the other hand, PCs that run legitimate Windows and Microsoft Office products outperformed pirated copies 75% of the time and by an average of 53% when doing everyday business tasks. Why? Because genuine software comes with significant protection, including Windows Essentials and access to software updates," stated Microsoft.
Here is the Microsoft video: