Function at 0x403558
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, 0x180
push ebx
push ebp
push esi
xor ebx, ebx
push edi
mov dword [esp + 0x18], ebx
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
xor esi, esi
mov byte [esp + 0x14], 0x20
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 [0x449358], eax
call fcn.00406430
mov dword [0x4492a4], eax
push ebx
lea eax, [esp + 0x34]
push 0x160
push eax
push ebx
push 0x42b454
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x4452a0
call fcn.00405f3b
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov edi, 0x472000
push eax
push edi
call fcn.00405f3b
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x472000], 0x22
mov dword [0x4492a0], eax
mov eax, edi
jne 0x4035f9
mov byte [esp + 0x14], 0x22
mov eax, 0x472001
push dword [esp + 0x14]
push eax
call fcn.00405a4f
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
mov cl, byte [eax]
cmp cl, bl
je 0x40368a
cmp cl, 0x20
jne 0x40361f
inc eax
cmp byte [eax], 0x20
je 0x403619
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x40362f
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x403667
inc eax
cmp byte [eax], 0x53
jne 0x403648
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403648
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x40365e
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40365e
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x403679
push dword [esp + 0x14]
push eax
call fcn.00405a4f
cmp byte [eax], 0x22
jne 0x40360e
inc eax
jmp 0x40360e
mov dword [eax - 2], ebx
add eax, 2
push eax
push 0x474000
call fcn.00405f3b
mov ebp, 0x47c000
push ebp
push 0x2000
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403524
test eax, eax
jne 0x4036c8
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.00405f5e
call fcn.00403524
test eax, eax
je 0x40374d
push 0x47a000
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push esi
call fcn.004030ab
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x40374d
cmp dword [0x4492bc], ebx
je 0x403736
push ebx
push edi
call fcn.00405a4f
mov esi, eax
cmp esi, edi
jb 0x403701
cmp dword [esi], 0x3d3f5f20
je 0x403701
dec esi
jmp 0x4036f2
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x403778
mov byte [esi], bl
add esi, 4
push esi
call fcn.00405b07
test eax, eax
je 0x40374d
push esi
push 0x474000
call fcn.00405f3b
push esi
push 0x476000
call fcn.00405f3b
mov dword [esp + 0x10], ebx
or dword [0x44934c], 0xffffffff
call fcn.00403928
push 1
mov dword [esp + 0x1c], eax
call fcn.0040625c
call fcn.004038e2
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebx
je 0x403847
push 0x200010
push dword [esp + 0x14]
call fcn.00405785
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp
push ebp
call fcn.00405f5e
mov esi, 0x478000
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40374d
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push ebp
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x474000], bl
jne 0x4037b6
push esi
push 0x474000
call fcn.00405f3b
push dword [esp + 0x1c]
push section..ndata
call fcn.00405f3b
push 0x1a
mov word [0x44c000], 0x41
pop edi
mov esi, 0x429454
mov eax, dword [0x4492b0]
push dword [eax + 0x120]
push esi
call fcn.00405f6f
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], ebx
je 0x403832
push 1
push esi
push 0x480000
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403832
push ebx
push esi
call fcn.00405c88
mov eax, dword [0x4492b0]
push dword [eax + 0x124]
push esi
call fcn.00405f6f
push esi
call fcn.00405715
cmp eax, ebx
je 0x403832
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebx
inc byte [0x44c000]
dec edi
jne 0x4037d5
push ebx
push ebp
call fcn.00405c88
jmp 0x40374d
cmp dword [0x449334], ebx
je 0x4038ca
push 3
call fcn.00406430
push 4
mov ebp, eax
call fcn.00406430
push 5
mov esi, eax
call fcn.00406430
cmp ebp, ebx
mov edi, eax
je 0x4038b6
cmp esi, ebx
je 0x4038b6
cmp edi, ebx
je 0x4038b6
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4038b6
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push ebx
call esi
push ebx
push ebx
lea eax, [esp + 0x28]
push ebx
push eax
push ebx
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call edi
push ebx
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4038ca
push 9
call fcn.00401430
mov eax, dword [0x44934c]
cmp eax, 0xffffffff
je 0x4038d8
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]