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:
push ebp
mov ebp, esp
sub esp, 0x2a0
push ebx
push esi
push edi
xor ebx, ebx
push 0x118
lea eax, [ebp - 0x13c]
push ebx
push eax
mov dword [ebp - 0x10], ebx
mov dword [ebp - 8], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [ebp - 4], ebx
mov byte [ebp - 0xc], 0x20
mov dword [ebp - 0x140], ebx
call fcn.00407159
add esp, 0xc
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
push 8
mov dword [0x424cb8], eax
call fcn.00405a30
push ebx
push 0x160
mov dword [0x424bc0], eax
lea eax, [ebp - 0x2a0]
push eax
push ebx
push 0x408483
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x4243c0
call fcn.00405918
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
mov esi, 0x42a000
push esi
call fcn.00405918
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x42a000], 0x22
mov dword [0x424bc8], eax
mov eax, esi
jne 0x4034d4
mov byte [ebp - 0xc], 0x22
mov eax, 0x42a001
push dword [ebp - 0xc]
push eax
call fcn.00405683
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [ebp - 0x14], eax
jmp 0x40354b
cmp cl, 0x20
jne 0x4034f4
inc eax
cmp byte [eax], 0x20
je 0x4034ee
cmp byte [eax], 0x22
mov byte [ebp - 0xc], 0x20
jne 0x403502
inc eax
mov byte [ebp - 0xc], 0x22
cmp byte [eax], 0x2f
jne 0x40353c
inc eax
cmp byte [eax], 0x53
jne 0x40351c
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x40351c
or dword [ebp - 4], 2
cmp dword [eax], 0x4352434e
jne 0x403533
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403533
or dword [ebp - 4], 4
cmp dword [eax - 2], 0x3d442f20
je 0x403553
push dword [ebp - 0xc]
push eax
call fcn.00405683
cmp byte [eax], 0x22
jne 0x40354b
inc eax
mov cl, byte [eax]
cmp cl, bl
jne 0x4034e9
jmp 0x403564
mov dword [eax - 2], ebx
add eax, 2
push eax
push 0x42a400
call fcn.00405918
mov edi, 0x42b400
push edi
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004033a1
test eax, eax
jne 0x4035a2
push 0x3fb
push edi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push edi
call sub.KERNEL32.dll_lstrcatA
call fcn.004033a1
test eax, eax
je 0x403629
push 0x42b000
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
lea eax, [ebp - 0x140]
push eax
push dword [ebp - 4]
call fcn.004030cc
mov dword [ebp - 8], eax
cmp eax, ebx
jne 0x403629
cmp dword [0x424c24], ebx
je 0x40361a
push ebx
push esi
call fcn.00405683
mov edi, eax
jmp 0x4035df
cmp dword [edi], 0x3d3f5f20
je 0x4035e3
dec edi
cmp edi, esi
jae 0x4035d6
mov dword [ebp - 8], str.Error_launching_installer
cmp edi, esi
jb 0x403683
mov byte [edi], bl
add edi, 4
push edi
call fcn.00405aed
test eax, eax
je 0x403629
push edi
push 0x42a400
call fcn.00405918
push edi
push 0x42a800
call fcn.00405918
mov dword [ebp - 8], ebx
or dword [0x424cac], 0xffffffff
call fcn.004052ef
mov dword [ebp - 0x10], eax
call fcn.004033d5
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [ebp - 8], ebx
je 0x40375a
lea eax, [ebp - 0x12c]
push eax
call fcn.004066cd
pop ecx
push 4
push str.http
lea eax, [ebp - 0x12c]
push eax
call fcn.0040573e
test eax, eax
jne 0x40366e
lea eax, [ebp - 0x12c]
push eax
call fcn.00406550
pop ecx
push 0x200010
push dword [ebp - 8]
call fcn.0040561d
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp
mov edi, 0x42b400
push edi
call sub.KERNEL32.dll_lstrcatA
mov esi, 0x42ac00
push esi
push edi
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403629
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push edi
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x42a400], bl
jne 0x4036c6
push esi
push 0x42a400
call fcn.00405918
push dword [ebp - 0x14]
push section..ndata
call fcn.00405918
push 0x41
pop eax
mov word [0x425400], ax
mov dword [ebp - 4], 0x1a
mov esi, 0x41fd90
mov eax, dword [0x424bcc]
push dword [eax + 0x120]
push esi
call fcn.00405bc5
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [ebp - 8], ebx
je 0x403743
push 1
push esi
push 0x42bc00
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403743
push ebx
push esi
call fcn.00405e12
mov eax, dword [0x424bcc]
push dword [eax + 0x124]
push esi
call fcn.00405bc5
push esi
call fcn.004055bc
cmp eax, ebx
je 0x403743
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 8], ebx
inc byte [0x425400]
dec dword [ebp - 4]
jne 0x4036e8
push ebx
push edi
call fcn.00405e12
jmp 0x403629
cmp dword [0x424c94], ebx
je 0x4037da
push 3
call fcn.00405a30
push 4
mov dword [ebp - 4], eax
call fcn.00405a30
push 5
mov esi, eax
call fcn.00405a30
mov edi, eax
cmp dword [ebp - 4], ebx
je 0x4037c6
cmp esi, ebx
je 0x4037c6
cmp edi, ebx
je 0x4037c6
lea eax, [ebp - 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [ebp - 4]
test eax, eax
je 0x4037c6
lea eax, [ebp - 0x20]
push eax
push str.SeShutdownPrivilege
push ebx
call esi
push ebx
push ebx
push ebx
lea eax, [ebp - 0x24]
push eax
push ebx
push dword [ebp - 0x14]
mov dword [ebp - 0x24], 1
mov dword [ebp - 0x18], 2
call edi
push ebx
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4037da
push 9
call fcn.0040141a
mov eax, dword [0x424cac]
cmp eax, 0xffffffff
je 0x4037e7
mov dword [ebp - 0x10], eax
push dword [ebp - 0x10]
jmp 0x40367d