Function at 0x40364d
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 [0x4535b8], eax
call fcn.00405e20
push ebx
push 0x160
mov dword [0x4534c0], eax
lea eax, [esp + 0x38]
push eax
push ebx
push 0x408a33
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x44f4c0
call fcn.00405b8b
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
mov edi, 0x47c000
push edi
call fcn.00405b8b
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x47c000], 0x22
mov dword [0x4534c8], eax
mov eax, edi
jne 0x4036ee
mov byte [esp + 0x14], 0x22
mov eax, 0x47c001
push dword [esp + 0x14]
push eax
call fcn.00405929
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x403768
cmp cl, 0x20
jne 0x403710
inc eax
cmp byte [eax], 0x20
je 0x40370a
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x403720
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x403758
inc eax
cmp byte [eax], 0x53
jne 0x403739
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403739
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x40374f
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40374f
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x403770
push dword [esp + 0x14]
push eax
call fcn.00405929
cmp byte [eax], 0x22
jne 0x403768
inc eax
mov cl, byte [eax]
cmp cl, bl
jne 0x403705
jmp 0x403781
mov dword [eax - 2], ebx
add eax, 2
push eax
push 0x47e000
call fcn.00405b8b
mov ebp, 0x486000
push ebp
push 0x2000
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004035ef
test eax, eax
jne 0x4037bf
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call sub.KERNEL32.dll_lstrcatA
call fcn.004035ef
test eax, eax
je 0x403844
push 0x484000
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push esi
call fcn.004033aa
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x403844
cmp dword [0x453524], ebx
je 0x40382d
push ebx
push edi
call fcn.00405929
mov esi, eax
jmp 0x4037f4
cmp dword [esi], 0x3d3f5f20
je 0x4037f8
dec esi
cmp esi, edi
jae 0x4037eb
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x40386f
mov byte [esi], bl
add esi, 4
push esi
call fcn.00405ede
test eax, eax
je 0x403844
push esi
push 0x47e000
call fcn.00405b8b
push esi
push 0x480000
call fcn.00405b8b
mov dword [esp + 0x10], ebx
or dword [0x4535ac], 0xffffffff
call fcn.0040557b
push 1
mov dword [esp + 0x1c], eax
call fcn.00405c47
call fcn.00403623
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebx
je 0x40393e
push 0x200010
push dword [esp + 0x14]
call fcn.004058c5
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp
push ebp
call sub.KERNEL32.dll_lstrcatA
mov esi, 0x482000
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403844
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push ebp
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x47e000], bl
jne 0x4038ad
push esi
push 0x47e000
call fcn.00405b8b
push dword [esp + 0x1c]
push section..ndata
call fcn.00405b8b
push 0x1a
mov word [0x456000], 0x41
pop edi
mov esi, 0x4324f8
mov eax, dword [0x4534cc]
push dword [eax + 0x120]
push esi
call fcn.00405fb6
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], ebx
je 0x403929
push 1
push esi
push 0x48a000
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403929
push ebx
push esi
call fcn.0040620c
mov eax, dword [0x4534cc]
push dword [eax + 0x124]
push esi
call fcn.00405fb6
push esi
call fcn.00405864
cmp eax, ebx
je 0x403929
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebx
inc byte [0x456000]
dec edi
jne 0x4038cc
push ebx
push ebp
call fcn.0040620c
jmp 0x403844
cmp dword [0x453594], ebx
je 0x4039c1
push 3
call fcn.00405e20
push 4
mov ebp, eax
call fcn.00405e20
push 5
mov esi, eax
call fcn.00405e20
cmp ebp, ebx
mov edi, eax
je 0x4039ad
cmp esi, ebx
je 0x4039ad
cmp edi, ebx
je 0x4039ad
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4039ad
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push ebx
call esi
push ebx
push ebx
push ebx
lea eax, [esp + 0x2c]
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 0x4039c1
push 9
call fcn.00401411
mov eax, dword [0x4535ac]
cmp eax, 0xffffffff
je 0x4039cf
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
jmp 0x403869