There is no virus by this name. However, we occasionally get queries about this, as many files have an invisible stream by this name.
Existance of Afp_AfpInfo stream on some files is normal, and as such is of no cause for concern. This stream is generated on some file shares for support for Macintosh system (AFP = Apple Filing Protocol).
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.