If that is a valid detection, mind it is heuristical and for your printer software, this could be this malware: http://www.microsoft.com/security/portal/threat/Encyclopedia/Entry.aspx?Name=Trojan%3AWin32%2FTracur.AV
If you have an infected Windows system file, you may need to replace it using the Windows installation CD.
How to reduce the risk of infection
The following resources provide further information and best practices to help reduce the risk of infection.
* Operating system updates to fix vulnerabilities
* File sharing protection
* Disable Autorun (CD/USB)
* Best practices for instant messaging
* Best practices for browsing the Web
* Best practices for email
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