[HairOfTheDog]

I guess so :~)

[Swordmaker]

Further reading shows that Microsoft was NOT all inclusive in their Malware report:

The tool does not target spyware and potentially unwanted software. Windows users should download and install an up-to-date anti-spyware application to detect and remove spyware and potentially unwanted software from their computers. Windows Defender, Microsoft’s anti-spyware solution, in beta at the time of this report, is offered to genuinely licensed Windows users at no charge at http://www.microsoft.com/windowsdefender.