Function at 0x403417
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 [0x42a5d8], eax
call fcn.00405bbc
push ebp
push 0x2b4
mov dword [0x42a4e0], eax
lea eax, [esp + 0x38]
push eax
push ebp
push 0x408574
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
push str.NSIS_Error
push 0x4294e0
call fcn.00405ab7
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
push eax
mov edi, 0x435000
push edi
call fcn.00405ab7
push ebp
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
cmp word [0x435000], 0x22
mov dword [0x42a4e8], eax
mov eax, edi
jne 0x4034b7
push 0x22
pop esi
mov eax, 0x435002
push esi
push eax
call fcn.004057b4
push eax
call dword [sym.imp.USER32.dll_CharNextW]
mov esi, eax
mov dword [esp + 0x1c], esi
jmp 0x40355e
push 0x20
pop ebx
cmp ax, bx
jne 0x4034e0
add esi, 2
cmp word [esi], bx
je 0x4034d8
cmp word [esi], 0x22
jne 0x4034ec
push 0x22
add esi, 2
pop ebx
cmp word [esi], 0x2f
jne 0x40354c
add esi, 2
cmp word [esi], 0x53
jne 0x40350e
movzx eax, word [esi + 2]
cmp eax, 0x20
je 0x403509
cmp ax, bp
jne 0x40350e
or dword [esp + 0x14], 2
push 4
push str.NCRC
push esi
call fcn.00403394
add esp, 0xc
test eax, eax
jne 0x403535
movzx eax, word [esi + 8]
cmp eax, 0x20
je 0x403530
cmp ax, bp
jne 0x403535
or dword [esp + 0x14], 4
push 4
lea eax, [esi - 4]
push str.__D
push eax
call fcn.00403394
add esp, 0xc
test eax, eax
je 0x40356c
push ebx
push esi
call fcn.004057b4
mov esi, eax
cmp word [esi], 0x22
jne 0x40355e
add esi, 2
movzx eax, word [esi]
cmp ax, bp
jne 0x4034d0
jmp 0x403589
push 8
lea eax, [esi - 4]
push ebp
push eax
call fcn.0040764e
add esp, 0xc
add esi, 4
push esi
push 0x435800
call fcn.00405ab7
mov ebx, 0x437800
push ebx
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
call fcn.00403360
test eax, eax
jne 0x4035c7
push 0x3fb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatW
call fcn.00403360
test eax, eax
je 0x403659
push 0x437000
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push dword [esp + 0x14]
call fcn.0040311b
mov dword [esp + 0x10], eax
cmp eax, ebp
jne 0x403659
cmp dword [0x42a544], ebp
je 0x403649
push ebp
push edi
call fcn.004057b4
mov esi, eax
jmp 0x40360d
push 4
push str.___
push esi
call fcn.00403394
add esp, 0xc
test eax, eax
je 0x403611
sub esi, 2
cmp esi, edi
jae 0x4035f6
mov dword [esp + 0x10], str.Error_launching_installer
cmp esi, edi
jb 0x403684
xor eax, eax
mov word [esi], ax
add esi, 8
push esi
call fcn.004060cf
test eax, eax
je 0x403659
push esi
push 0x435800
call fcn.00405ab7
push esi
push 0x436000
call fcn.00405ab7
mov dword [esp + 0x10], ebp
or dword [0x42a5cc], 0xffffffff
call fcn.004053f9
mov dword [esp + 0x18], eax
call fcn.004033ed
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebp
je 0x40375b
push 0x200010
push dword [esp + 0x14]
call fcn.0040574e
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push 0x408518
push ebx
call sub.KERNEL32.dll_lstrcatW
mov esi, 0x436800
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
je 0x403659
push ebp
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
cmp word [0x435800], bp
jne 0x4036c3
push esi
push 0x435800
call fcn.00405ab7
push dword [esp + 0x1c]
push section..ndata
call fcn.00405ab7
push 0x408514
push 0x42b800
call fcn.00405ab7
push 0x1a
pop edi
mov esi, 0x4209a0
mov eax, dword [0x42a4ec]
push dword [eax + 0x120]
push esi
call fcn.00406156
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
cmp dword [esp + 0x10], ebp
je 0x403745
push 1
push esi
push 0x438800
call dword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
je 0x403745
push ebp
push esi
call fcn.004065b6
mov eax, dword [0x42a4ec]
push dword [eax + 0x124]
push esi
call fcn.00406156
push esi
call fcn.004056ed
cmp eax, ebp
je 0x403745
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebp
inc word [0x42b800]
dec edi
jne 0x4036e8
push ebp
push ebx
call fcn.004065b6
jmp 0x403659
cmp dword [0x42a5b4], ebp
je 0x4037de
push 3
call fcn.00405bbc
push 4
mov ebx, eax
call fcn.00405bbc
push 5
mov esi, eax
call fcn.00405bbc
mov edi, eax
cmp ebx, ebp
je 0x4037ca
cmp esi, ebp
je 0x4037ca
cmp edi, ebp
je 0x4037ca
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x4037ca
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 0x4037de
push 9
call fcn.0040141a
mov eax, dword [0x42a5cc]
cmp eax, 0xffffffff
je 0x4037ec
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
jmp 0x40367e