Code not being assembled

[OssNass]

Hello guys,
I still new to assembly in general
And I am having a bit of problem ,when I try to assemble the attached file I get the following error message

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Assembling: win32.Fly.asm

***********
ASCII build
***********

win32.Fly.asm(64) : error A2163: non-benign structure redefinition: incorrect initializers : IMAGE_NT_HEADERS64
win32.Fly.asm(65) : error A2163: non-benign structure redefinition: incorrect initializers : IMAGE_NT_HEADERS64
win32.Fly.asm(66) : error A2164: non-benign structure redefinition: too few initializers : IMAGE_NT_HEADERS64
LINK : fatal error LNK1181: cannot open input file "win32.fly.obj"

And yes  the code is a virus code,It's for my project in collage

I used the following command line

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ML /nologo /c /coff /Gz /Cp /I"D:\Progs\For Windows\Programming\Assembly\masm32\include" win32.Fly.asm
LINK /nologo /SUBSYSTEM:WINDOWS /LIBPATH:"D:\Progs\For Windows\Programming\Assembly\lib" /SECTION:.text,REW win32.fly.obj


which came with the viral code

the problem is at this part of the code

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IMAGE_OPTIONAL_HEADER64 STRUCT 1
  Magic                         WORD       ?
  MajorLinkerVersion            BYTE       ?
  MinorLinkerVersion            BYTE       ?
  SizeOfCode                    DWORD      ?
  SizeOfInitializedData         DWORD      ?
  SizeOfUninitializedData       DWORD      ?
  AddressOfEntryPoint           DWORD      ?
  BaseOfCode                    DWORD      ?
  ImageBase                     QWORD      ?
  SectionAlignment              DWORD      ?
  FileAlignment                 DWORD      ?
  MajorOperatingSystemVersion   WORD       ?
  MinorOperatingSystemVersion   WORD       ?
  MajorImageVersion             WORD       ?
  MinorImageVersion             WORD       ?
  MajorSubsystemVersion         WORD       ?
  MinorSubsystemVersion         WORD       ?
  Win32VersionValue             DWORD      ?
  SizeOfImage                   DWORD      ?
  SizeOfHeaders                 DWORD      ?
  CheckSum                      DWORD      ?
  Subsystem                     WORD       ?
  DllCharacteristics            WORD       ?
  SizeOfStackReserve            QWORD      ?
  SizeOfStackCommit             QWORD      ?
  SizeOfHeapReserve             QWORD      ?
  SizeOfHeapCommit              QWORD      ?
  LoaderFlags                   DWORD      ?
  NumberOfRvaAndSizes           DWORD      ?
  DataDirectory                 IMAGE_DATA_DIRECTORY IMAGE_NUMBEROF_DIRECTORY_ENTRIES dup(<>)
IMAGE_OPTIONAL_HEADER64 ENDS

IMAGE_NT_HEADERS64 STRUCT 1
  Signature         DWORD                   ?
  FileHeader        IMAGE_FILE_HEADER <>
  OptionalHeader    IMAGE_OPTIONAL_HEADER64 <>
IMAGE_NT_HEADERS64 ENDS

exactly at initializing FileHeader and OptionalHeader

I have read the sample codes and tried my own with same writing in the file ,no problem happened and the programs ran

can you help ?
thanks in advance

Edit, attachment removed since it contains virus code

[BogdanOntanu]

The rules of those forums are clear: no virus code.

It does not matter for what "reason" you claim to need it.