Posssible win32: malware gen infection

Avast has detected an infection in the program files of microsoft encarta on my pc.

The file is called: Qshlfed.exe

I suspect it is a false positive as this file hasn’t been modified since 2004.

Here are the results of the virus total scan: http://www.virustotal.com/analisis/a2e6c50d30ecbdb990da67363ed5ff9a9c16a95e4e7c6a7cbfccc9e992c3d52c-1280835498

Can anybody help?

You can send it to virus(at)avast.com with: possible FP in the subject.
asyn