Function at 0x403551
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 [0x7eeed8], eax
call fcn.00405cfb
push ebp
push 0x2b4
mov dword [0x7eedf0], eax
lea eax, [esp + 0x38]
push eax
push ebp
push 0x40861c
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
push str.NSIS_Error
push 0x7e6de0
call fcn.00405bf4
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
push eax
mov edi, 0x83f0a0
push edi
call fcn.00405bf4
push ebp
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
cmp word [0x83f0a0], 0x22
mov dword [0x7eedf8], eax
mov eax, edi
jne 0x4035f1
push 0x22
pop esi
mov eax, 0x83f0a2
push esi
push eax
call fcn.004058ef
push eax
call dword [sym.imp.USER32.dll_CharNextW]
mov esi, eax
mov dword [esp + 0x1c], esi
jmp 0x403696
push 0x20
pop ebx
cmp ax, bx
jne 0x403619
inc esi
inc esi
cmp word [esi], bx
je 0x403612
cmp word [esi], 0x22
jne 0x403624
inc esi
push 0x22
inc esi
pop ebx
cmp word [esi], 0x2f
jne 0x403685
inc esi
inc esi
cmp word [esi], 0x53
jne 0x403646
movzx eax, word [esi + 2]
cmp ax, 0x20
je 0x403641
cmp ax, bp
jne 0x403646
or dword [esp + 0x14], 2
push 4
push str.NCRC
push esi
call fcn.004034b8
add esp, 0xc
test eax, eax
jne 0x40366e
movzx eax, word [esi + 8]
cmp ax, 0x20
je 0x403669
cmp ax, bp
jne 0x40366e
or dword [esp + 0x14], 4
push 4
lea eax, [esi - 4]
push str.__D
push eax
call fcn.004034b8
add esp, 0xc
test eax, eax
je 0x4036a4
push ebx
push esi
call fcn.004058ef
mov esi, eax
cmp word [esi], 0x22
jne 0x403696
inc esi
inc esi
movzx eax, word [esi]
cmp ax, bp
jne 0x40360a
jmp 0x4036c1
push 8
lea eax, [esi - 4]
push ebp
push eax
call fcn.004074d1
add esp, 0xc
add esi, 4
push esi
push 0x8430a8
call fcn.00405bf4
mov ebx, 0x8530c8
push ebx
push 0x2004
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
call fcn.00403484
test eax, eax
jne 0x4036ff
push 0x1fff
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatW
call fcn.00403484
test eax, eax
je 0x403790
push 0x84f0c0
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push dword [esp + 0x14]
call fcn.004031e3
mov dword [esp + 0x10], eax
cmp eax, ebp
jne 0x403790
cmp dword [0x7eee44], ebp
je 0x403780
push ebp
push edi
call fcn.004058ef
mov esi, eax
jmp 0x403744
push 4
push 0x4085d4
push esi
call fcn.004034b8
add esp, 0xc
test eax, eax
je 0x403748
dec esi
dec esi
cmp esi, edi
jae 0x40372e
mov dword [esp + 0x10], str.Error_launching_installer
cmp esi, edi
jb 0x4037bb
xor eax, eax
mov word [esi], ax
add esi, 8
push esi
call fcn.0040617e
test eax, eax
je 0x403790
push esi
push 0x8430a8
call fcn.00405bf4
push esi
push 0x8470b0
call fcn.00405bf4
mov dword [esp + 0x10], ebp
or dword [0x7eeecc], 0xffffffff
call fcn.00405534
mov dword [esp + 0x18], eax
call fcn.0040350f
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebp
je 0x403892
push 0x200010
push dword [esp + 0x14]
call fcn.00405889
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push 0x4085c0
push ebx
call sub.KERNEL32.dll_lstrcatW
mov esi, 0x84b0b8
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
je 0x403790
push ebp
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
cmp word [0x8430a8], bp
jne 0x4037fa
push esi
push 0x8430a8
call fcn.00405bf4
push dword [esp + 0x1c]
push section..ndata
call fcn.00405bf4
push 0x4085bc
push 0x7f3008
call fcn.00405bf4
push 0x1a
pop edi
mov esi, 0x7b0a10
mov eax, dword [0x7eedfc]
push dword [eax + 0x120]
push esi
call fcn.00406206
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
cmp dword [esp + 0x10], ebp
je 0x40387c
push 1
push esi
push 0x85b0d8
call dword [sym.imp.KERNEL32.dll_CopyFileW]
test eax, eax
je 0x40387c
push ebp
push esi
call fcn.00406662
mov eax, dword [0x7eedfc]
push dword [eax + 0x124]
push esi
call fcn.00406206
push esi
call fcn.00405828
cmp eax, ebp
je 0x40387c
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebp
inc word [0x7f3008]
dec edi
jne 0x40381f
push ebp
push ebx
call fcn.00406662
jmp 0x403790
cmp dword [0x7eeeb4], ebp
je 0x403915
push 3
call fcn.00405cfb
push 4
mov ebx, eax
call fcn.00405cfb
push 5
mov esi, eax
call fcn.00405cfb
mov edi, eax
cmp ebx, ebp
je 0x403901
cmp esi, ebp
je 0x403901
cmp edi, ebp
je 0x403901
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x403901
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 0x403915
push 9
call fcn.0040141d
mov eax, dword [0x7eeecc]
cmp eax, 0xffffffff
je 0x403923
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
jmp 0x4037b5