This is a polymorphic Excel macro virus. It contains one module with 11
functions inside: Macro1, Macro2, Macro3, Macro4, Macro5, Macro6, Macro7,
Auto_Open, Auto_Close, Auto_Exit, Auto_Help.
The virus runs its infection routine on opening files, switching sheets, or
on timer events. While infecting the virus polymorphic engine inserts into
the virus code random generated comments. The name of virus module is also