Please go to
Jotti's or to
virustotal and have these files scanned. Post the results back here.
C:\WINDOWS\system32\vmchehdo.dll
C:\WINDOWS\system32\wvgddcyv.dll
C:\WINDOWS\system32\gtwaotly.dll
C:\Documents and Settings\Dee\xl00365.exe
C:\DOCUME~1\Dee\LOCALS~1\Temp\prun.exe