Function at 0x403537
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 0x446a20
mov dword [0x44aad0], eax
call fcn.00405f13
mov ebp, 0x47d000
mov edi, 0x2000
push ebp
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403503
test eax, eax
jne 0x4035b2
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.00405f31
call fcn.00403503
test eax, eax
je 0x4036fd
mov esi, 0x473000
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 [0x473000], 0x22
mov dword [0x44aa20], eax
mov eax, esi
jne 0x4035f0
mov byte [esp + 0x10], 0x22
mov eax, 0x473001
push dword [esp + 0x10]
push eax
call fcn.00405a43
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
mov cl, byte [eax]
test cl, cl
je 0x403686
cmp cl, 0x20
jne 0x403616
inc eax
cmp byte [eax], 0x20
je 0x403610
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x403626
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403662
inc eax
cmp byte [eax], 0x53
jne 0x403641
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403641
or dword [esp + 0x14], 2
cmp dword [eax], 0x4352434e
jne 0x403659
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403659
or dword [esp + 0x14], 4
cmp dword [eax - 2], 0x3d442f20
je 0x403674
push dword [esp + 0x10]
push eax
call fcn.00405a43
cmp byte [eax], 0x22
jne 0x403605
inc eax
jmp 0x403605
and byte [eax - 2], 0
add eax, 2
push eax
push 0x475000
call fcn.00405f13
push dword [esp + 0x14]
call fcn.00403035
mov ebx, eax
cmp ebx, edi
jne 0x4036fd
cmp dword [0x44aa34], edi
je 0x4036e6
push edi
push esi
call fcn.00405a43
mov edi, eax
cmp edi, esi
jb 0x4036b5
cmp dword [edi], 0x3d3f5f20
je 0x4036b5
dec edi
jmp 0x4036a6
cmp edi, esi
mov ebx, str.Error_launching_installer
jb 0x403723
and byte [edi], 0
add edi, 4
push edi
call fcn.00405afa
test eax, eax
je 0x4036fd
push edi
push 0x475000
call fcn.00405f13
push edi
push 0x477000
call fcn.00405f13
xor ebx, ebx
or dword [0x44aacc], 0xffffffff
call fcn.0040392e
push 1
mov dword [esp + 0x1c], eax
call fcn.0040621c
call fcn.004038e8
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebx, ebx
je 0x403835
push 0x200010
push ebx
call fcn.004057ca
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebp
call fcn.00405f31
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x14], 0
mov esi, 0x42a3b0
mov edi, 0x4283b0
push ebp
push esi
mov word [0x42a3b0], 0x22
call fcn.00405f31
push str.Au_.exe
push esi
call fcn.00405f31
push 0x42a3b1
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebx, ebx
je 0x40381b
push 0x2000
push edi
push dword [0x44aa20]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x4283aa]
push 0x40970d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x4036fd
push 0
push 0x42a3b1
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40381b
push 0
push 0x42a3b1
call fcn.00405c5c
cmp byte [0x475000], 0
je 0x4037d4
push 0x475000
push edi
call fcn.00405f13
jmp 0x4037da
push edi
call fcn.00405a5f
push 0x409784
push esi
call fcn.00405f31
push dword [esp + 0x1c]
push esi
call fcn.00405f31
push str.___
push esi
call fcn.00405f31
push edi
push esi
call fcn.00405f31
push esi
call fcn.00405a18
push ebp
push esi
call fcn.00405743
test eax, eax
je 0x40381b
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 0x403746
jmp 0x4036fd
cmp dword [0x44aab4], 0
je 0x4038d0
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00406313
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00406313
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00406313
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x4038bc
cmp edi, esi
je 0x4038bc
cmp ebx, esi
je 0x4038bc
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4038bc
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 0x4038d0
push 9
call fcn.00401433
mov eax, dword [0x44aacc]
cmp eax, 0xffffffff
je 0x4038de
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]