W32.Donut is a virus that targets .exe files that were created for the Microsoft .NET framework. W32.Donut is a concept virus. It does not have any significant chance of becoming widespread. However, it shows that virus writers are paying close attention to the new .NET architecture and are attempting to learn how to exploit it before the .NET framework is available on most systems.
For additional information about Microsoft .NET, go to http://www.microsoft.com/net/.
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