Executable, MS-DOS Batch or Command File - %1 %*

This isn't actually a file name, but is used as a system wild card. You'll find this defined in your file type as the executable, command or Batch File.
Some spyware or other threats could try and change this file type definition. It should remain as %1 %*.

File type that use this convention include
.BAT
.COM
.CMD
.EXE
.PIF

Safe