I can't find this file in anyones startup list on the web. I'm trying to figure out what it is. Norton antivirus did not flag it, nor did spybot s&d

entry from hijack this log scan:

C:\WINDOWS\System32\ydpflyef.exe

O4 - HKLM\..\Run: [vaggwdvk] C:\WINDOWS\System32\ydpflyef.exe

firewall log entry:
type,date,time,source,destination,transport
PE,2004/04/25,19:13:50 -4:00 GMT,ydpflyef.exe,127.0.0.1:3006,N/A
ACCESS,2004/04/25,19:13:50 -4:00 GMT,ydpflyef.exe was unable to obtain permission for connecting to the Internet (127.0.0.1:Port 3006); access was denied.,N/A,N/A
PE,2004/04/25,19:13:50 -4:00 GMT,ydpflyef.exe,127.0.0.1:3006,N/A