help! files and programs missing

I had a virus and managed to get rid of it in time it was
a trojon horse. but now my files have tripled in copys
and i cant restore my computer like it was. i have xp
home edition errors are as follows
C:\windows\system\system32\dfrg.msc says it may exsit or
be a later version of mmc. also have error frmdyn.dll
missing reinstall the application. or its framedyn.dll
its error comes up when i try the properties for my
computer. the restore is not present anymore. its in the
files but wont open says i need to reinstall the program
or driver. need help please dont have xp disk.