This is a polymorphic virus which stays resident in memory and infects COM and EXE files. It avoids infecting filenames starting with 'V3' or 'SCAN'.
BoxBox does nothing besides replicating.
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.
Description Created: Mikko Hypponen, F-Secure