Function at 0x403566
Capabilities:
Accept command line arguments
Copy file
Create directory
Delete file
Get common file path
Shutdown system
Terminate process

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
xor esi, esi
push edi
mov dword [esp + 0x18], esi
mov ebx, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x14], esi
mov byte [esp + 0x10], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push esi
call dword [sym.imp.ole32.dll_OleInitialize]
push str.NSIS_Error
push 0x452720
mov dword [0x4567d0], eax
call fcn.00405f42
mov ebp, 0x489000
mov edi, 0x2000
push ebp
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403532
test eax, eax
jne 0x4035e1
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.00405f60
call fcn.00403532
test eax, eax
je 0x40372c
mov esi, 0x47f000
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push edi
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrcpynA]
xor edi, edi
push edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x47f000], 0x22
mov dword [0x456720], eax
mov eax, esi
jne 0x40361f
mov byte [esp + 0x10], 0x22
mov eax, 0x47f001
push dword [esp + 0x10]
push eax
call fcn.00405a72
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
mov cl, byte [eax]
test cl, cl
je 0x4036b5
cmp cl, 0x20
jne 0x403645
inc eax
cmp byte [eax], 0x20
je 0x40363f
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x403655
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403691
inc eax
cmp byte [eax], 0x53
jne 0x403670
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403670
or dword [esp + 0x14], 2
cmp dword [eax], 0x4352434e
jne 0x403688
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403688
or dword [esp + 0x14], 4
cmp dword [eax - 2], 0x3d442f20
je 0x4036a3
push dword [esp + 0x10]
push eax
call fcn.00405a72
cmp byte [eax], 0x22
jne 0x403634
inc eax
jmp 0x403634
and byte [eax - 2], 0
add eax, 2
push eax
push 0x481000
call fcn.00405f42
push dword [esp + 0x14]
call fcn.00403035
mov ebx, eax
cmp ebx, edi
jne 0x40372c
cmp dword [0x456734], edi
je 0x403715
push edi
push esi
call fcn.00405a72
mov edi, eax
cmp edi, esi
jb 0x4036e4
cmp dword [edi], 0x3d3f5f20
je 0x4036e4
dec edi
jmp 0x4036d5
cmp edi, esi
mov ebx, str.Error_launching_installer
jb 0x403752
and byte [edi], 0
add edi, 4
push edi
call fcn.00405b29
test eax, eax
je 0x40372c
push edi
push 0x481000
call fcn.00405f42
push edi
push 0x483000
call fcn.00405f42
xor ebx, ebx
or dword [0x4567cc], 0xffffffff
call fcn.0040395d
push 1
mov dword [esp + 0x1c], eax
call fcn.0040624b
call fcn.00403917
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebx, ebx
je 0x403864
push 0x200010
push ebx
call fcn.004057f9
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebp
call fcn.00405f60
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x14], 0
mov esi, 0x434f18
mov edi, 0x432f18
push ebp
push esi
mov word [0x434f18], 0x22
call fcn.00405f60
push str.Au_.exe
push esi
call fcn.00405f60
push 0x434f19
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebx, ebx
je 0x40384a
push 0x2000
push edi
push dword [0x456720]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x432f12]
push 0x40a70d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40372c
push 0
push 0x434f19
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40384a
push 0
push 0x434f19
call fcn.00405c8b
cmp byte [0x481000], 0
je 0x403803
push 0x481000
push edi
call fcn.00405f42
jmp 0x403809
push edi
call fcn.00405a8e
push 0x40a784
push esi
call fcn.00405f60
push dword [esp + 0x1c]
push esi
call fcn.00405f60
push 0x40a77c
push esi
call fcn.00405f60
push edi
push esi
call fcn.00405f60
push esi
call fcn.00405a47
push ebp
push esi
call fcn.00405772
test eax, eax
je 0x40384a
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebx, ebx
inc byte [str.Au_.exe]
inc dword [esp + 0x14]
cmp dword [esp + 0x14], 0x1a
jl 0x403775
jmp 0x40372c
cmp dword [0x4567b4], 0
je 0x4038ff
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00406342
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00406342
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00406342
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x4038eb
cmp edi, esi
je 0x4038eb
cmp ebx, esi
je 0x4038eb
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4038eb
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push esi
call edi
push esi
push esi
lea eax, [esp + 0x28]
push esi
push eax
push esi
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call ebx
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4038ff
push 9
call fcn.00401433
mov eax, dword [0x4567cc]
cmp eax, 0xffffffff
je 0x40390d
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]