Function at 0x403131
Capabilities:
Accept command line arguments
Copy file
Create directory
Delete file
Get common file path
Get file system object information
Shutdown system
Terminate process

Disassembly:
sub esp, 0x180
push ebx
push ebp
push esi
xor esi, esi
push edi
mov dword [esp + 0x18], esi
mov ebp, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x10], esi
mov byte [esp + 0x14], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push esi
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x4243d0], eax
push esi
lea eax, [esp + 0x34]
push 0x160
push eax
push esi
push 0x41fcf8
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x423b20
call sub.KERNEL32.dll_lstrcpyA
mov ebx, 0x42b400
mov edi, 0x400
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004030fd
test eax, eax
jne 0x4031c6
push 0x3fb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatA
call fcn.004030fd
test eax, eax
je 0x40330c
mov esi, 0x42a000
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 [0x42a000], 0x22
mov dword [0x424320], eax
mov eax, esi
jne 0x403204
mov byte [esp + 0x14], 0x22
mov eax, 0x42a001
push dword [esp + 0x14]
push eax
call fcn.00405480
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x403282
cmp cl, 0x20
jne 0x403226
inc eax
cmp byte [eax], 0x20
je 0x403220
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x403236
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x403272
inc eax
cmp byte [eax], 0x53
jne 0x403251
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403251
or dword [esp + 0x10], 2
cmp dword [eax], 0x4352434e
jne 0x403269
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403269
or dword [esp + 0x10], 4
cmp dword [eax - 2], 0x3d442f20
je 0x40328a
push dword [esp + 0x14]
push eax
call fcn.00405480
cmp byte [eax], 0x22
jne 0x403282
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x40321b
jmp 0x40329c
and byte [eax - 2], 0
add eax, 2
push eax
push 0x42a400
call sub.KERNEL32.dll_lstrcpyA
push dword [esp + 0x10]
call main
mov ebp, eax
cmp ebp, edi
jne 0x40330c
cmp dword [0x424334], edi
je 0x4032fc
push edi
push esi
call fcn.00405480
mov edi, eax
jmp 0x4032c7
cmp dword [edi], 0x3d3f5f20
je 0x4032cb
dec edi
cmp edi, esi
jae 0x4032be
cmp edi, esi
mov ebp, str.Error_launching_installer
jb 0x403332
and byte [edi], 0
add edi, 4
push edi
call fcn.00405535
test eax, eax
je 0x40330c
push edi
push 0x42a400
call sub.KERNEL32.dll_lstrcpyA
push edi
push 0x42a800
call sub.KERNEL32.dll_lstrcpyA
xor ebp, ebp
or dword [0x4243cc], 0xffffffff
call fcn.0040351c
mov dword [esp + 0x18], eax
call fcn.004034f7
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebp, ebp
je 0x403444
push 0x200010
push ebp
call fcn.00405270
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebx
call sub.KERNEL32.dll_lstrcatA
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x10], 0
mov esi, 0x41f0f8
mov edi, 0x41f8f8
push ebx
push esi
mov word [0x41f0f8], 0x22
call sub.KERNEL32.dll_lstrcatA
push str.Au_.exe
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x41f0f9
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebp, ebp
je 0x40342a
push 0x400
push edi
push dword [0x424320]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x41f8f2]
push 0x409199
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40330c
push 0
push 0x41f0f9
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40342a
push 0
push 0x41f0f9
call fcn.00405690
cmp byte [0x42a400], 0
je 0x4033e3
push 0x42a400
push edi
call sub.KERNEL32.dll_lstrcpyA
jmp 0x4033e9
push edi
call fcn.0040549c
push 0x409210
push esi
call sub.KERNEL32.dll_lstrcatA
push dword [esp + 0x1c]
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x409208
push esi
call sub.KERNEL32.dll_lstrcatA
push edi
push esi
call sub.KERNEL32.dll_lstrcatA
push esi
call fcn.00405455
push ebx
push esi
call fcn.004051f8
test eax, eax
je 0x40342a
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebp, ebp
inc byte [str.Au_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x403355
jmp 0x40330c
cmp dword [0x4243b4], 0
je 0x4034df
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00405c62
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00405c62
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00405c62
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x4034cb
cmp edi, esi
je 0x4034cb
cmp ebx, esi
je 0x4034cb
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4034cb
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 0x4034df
push 9
call fcn.00401410
mov eax, dword [0x4243cc]
cmp eax, 0xffffffff
je 0x4034ed
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]