Function at 0x4033fa
Capabilities:
Accept command line arguments
Copy file
Create directory
Delete file
Get common file path
Get file system object information
Set current directory
Shutdown system
Terminate process

Disassembly:
sub esp, 0x2d4
push ebx
push ebp
push esi
push edi
push 0x20
xor ebp, ebp
pop esi
mov dword [esp + 0x18], ebp
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x14], ebp
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
push ebp
call dword [sym.imp.ole32.dll_OleInitialize]
push 8
mov dword [0x470678], eax
call fcn.00405ba5
push ebp
push 0x2b4
mov dword [0x470590], eax
lea eax, [esp + 0x38]
push eax
push ebp
push 0x408574
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
push str.NSIS_Error
push 0x468580
call fcn.00405aa0
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
push eax
mov edi, 0x4c10a0
push edi
call fcn.00405aa0
push ebp
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
cmp word [0x4c10a0], 0x22
mov dword [0x470598], eax
mov eax, edi
jne 0x40349a
push 0x22
pop esi
mov eax, 0x4c10a2
push esi
push eax
call fcn.0040579d
push eax
call dword [sym.imp.USER32.dll_CharNextW]
mov esi, eax
mov dword [esp + 0x1c], esi
jmp 0x403541
push 0x20
pop ebx
cmp ax, bx
jne 0x4034c3
add esi, 2
cmp word [esi], bx
je 0x4034bb
cmp word [esi], 0x22
jne 0x4034cf
push 0x22
add esi, 2
pop ebx
cmp word [esi], 0x2f
jne 0x40352f
add esi, 2
cmp word [esi], 0x53
jne 0x4034f1
movzx eax, word [esi + 2]
cmp eax, 0x20
je 0x4034ec
cmp ax, bp
jne 0x4034f1
or dword [esp + 0x14], 2
push 4
push str.NCRC
push esi
call fcn.00403377
add esp, 0xc
test eax, eax
jne 0x403518
movzx eax, word [esi + 8]
cmp eax, 0x20
je 0x403513
cmp ax, bp
jne 0x403518
or dword [esp + 0x14], 4
push 4
lea eax, [esi - 4]
push str.__D
push eax
call fcn.00403377
add esp, 0xc
test eax, eax
je 0x40354f
push ebx
push esi
call fcn.0040579d
mov esi, eax
cmp word [esi], 0x22
jne 0x403541
add esi, 2
movzx eax, word [esi]
cmp ax, bp
jne 0x4034b3
jmp 0x40356c
push 8
lea eax, [esi - 4]
push ebp
push eax
call fcn.0040763a
add esp, 0xc
add esi, 4
push esi
push 0x4c50a8
call fcn.00405aa0
mov ebx, 0x4d50c8
push ebx
push 0x2004
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
call fcn.00403343
test eax, eax
jne 0x4035aa
push 0x1fff
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatW
call fcn.00403343
test eax, eax
je 0x40363c
push 0x4d10c0
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push dword [esp + 0x14]
call fcn.004030fe
mov dword [esp + 0x10], eax
cmp eax, ebp
jne 0x40363c
cmp dword [0x4705e4], ebp
je 0x40362c
push ebp
push edi
call fcn.0040579d
mov esi, eax
jmp 0x4035f0
push 4
push str.___
push esi
call fcn.00403377
add esp, 0xc
test eax, eax
je 0x4035f4
sub esi, 2
cmp esi, edi
jae 0x4035d9
mov dword [esp + 0x10], str.Error_launching_installer
cmp esi, edi
jb 0x403667
xor eax, eax
mov word [esi], ax
add esi, 8
push esi
call fcn.004060b8
test eax, eax
je 0x40363c
push esi
push 0x4c50a8
call fcn.00405aa0
push esi
push 0x4c90b0
call fcn.00405aa0
mov dword [esp + 0x10], ebp
or dword [0x47066c], 0xffffffff
call fcn.004053e2
mov dword [esp + 0x18], eax
call fcn.004033d0
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebp
je 0x40373e
push 0x200010
push dword [esp + 0x14]
call fcn.00405737
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push 0x408518
push ebx
call sub.KERNEL32.dll_lstrcatW
mov esi, 0x4cd0b8
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
je 0x40363c
push ebp
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
cmp word [0x4c50a8], bp
jne 0x4036a6
push esi
push 0x4c50a8
call fcn.00405aa0
push dword [esp + 0x1c]
push section..ndata
call fcn.00405aa0
push 0x408514
push 0x475008
call fcn.00405aa0
push 0x1a
pop edi
mov esi, 0x4321c8
mov eax, dword [0x47059c]
push dword [eax + 0x120]
push esi
call fcn.0040613f
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
cmp dword [esp + 0x10], ebp
je 0x403728
push 1
push esi
push 0x4dd0d8
call dword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
je 0x403728
push ebp
push esi
call fcn.004065a2
mov eax, dword [0x47059c]
push dword [eax + 0x124]
push esi
call fcn.0040613f
push esi
call fcn.004056d6
cmp eax, ebp
je 0x403728
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebp
inc word [0x475008]
dec edi
jne 0x4036cb
push ebp
push ebx
call fcn.004065a2
jmp 0x40363c
cmp dword [0x470654], ebp
je 0x4037c1
push 3
call fcn.00405ba5
push 4
mov ebx, eax
call fcn.00405ba5
push 5
mov esi, eax
call fcn.00405ba5
mov edi, eax
cmp ebx, ebp
je 0x4037ad
cmp esi, ebp
je 0x4037ad
cmp edi, ebp
je 0x4037ad
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x4037ad
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push ebp
call esi
push ebp
push ebp
push ebp
lea eax, [esp + 0x2c]
push eax
push ebp
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call edi
push ebp
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4037c1
push 9
call fcn.0040141d
mov eax, dword [0x47066c]
cmp eax, 0xffffffff
je 0x4037cf
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
jmp 0x403661