Function at 0x4031ff
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, 0x17c
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 byte [esp + 0x10], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push esi
call dword [sym.imp.ole32.dll_OleInitialize]
push esi
push 0x160
mov dword [0x424450], eax
lea eax, [esp + 0x34]
push eax
push esi
push 0x40749f
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x423ba0
call fcn.004055bd
mov ebx, 0x42b400
push ebx
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004031a6
test eax, eax
jne 0x40328f
push 0x3fb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatA
call fcn.004031a6
test eax, eax
je 0x4033cb
mov edi, 0x42a000
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push edi
call fcn.004055bd
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x42a000], 0x22
mov dword [0x4243a4], eax
mov eax, edi
jne 0x4032ca
mov byte [esp + 0x10], 0x22
mov eax, 0x42a001
push dword [esp + 0x10]
push eax
call fcn.0040536a
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x14], eax
jmp 0x403344
cmp cl, 0x20
jne 0x4032ec
inc eax
cmp byte [eax], 0x20
je 0x4032e6
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x4032fc
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403334
inc eax
cmp byte [eax], 0x53
jne 0x403315
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403315
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x40332b
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40332b
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x40334c
push dword [esp + 0x10]
push eax
call fcn.0040536a
cmp byte [eax], 0x22
jne 0x403344
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x4032e1
jmp 0x40335e
mov byte [eax - 2], 0
add eax, 2
push eax
push 0x42a400
call fcn.004055bd
push esi
call fcn.00402f20
mov ebp, eax
test ebp, ebp
jne 0x4033cb
cmp dword [0x424400], eax
je 0x4033bb
push eax
push edi
call fcn.0040536a
mov esi, eax
jmp 0x403386
cmp dword [esi], 0x3d3f5f20
je 0x40338a
dec esi
cmp esi, edi
jae 0x40337d
cmp esi, edi
mov ebp, str.Error_launching_installer
jb 0x4033f0
mov byte [esi], 0
add esi, 4
push esi
call fcn.00405768
test eax, eax
je 0x4033cb
push esi
push 0x42a400
call fcn.004055bd
push esi
push 0x42a800
call fcn.004055bd
xor ebp, ebp
or dword [0x42444c], 0xffffffff
call fcn.00404fb9
mov dword [esp + 0x18], eax
call fcn.004031da
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebp, ebp
je 0x403502
push 0x200010
push ebp
call fcn.00405328
push 2
jmp 0x4035af
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, 0x41f180
mov edi, 0x41ed80
push ebx
push esi
mov word [0x41f180], 0x22
call sub.KERNEL32.dll_lstrcatA
push str.Au_.exe
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x41f181
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebp, ebp
je 0x4034e8
push 0x400
push edi
push dword [0x4243a4]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 0x409015
lea eax, [eax + 0x41ed7a]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x4033cb
push 0
push 0x41f181
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x4034e8
push 0
push 0x41f181
call fcn.00405840
cmp byte [0x42a400], 0
je 0x4034a1
push 0x42a400
push edi
call fcn.004055bd
jmp 0x4034a7
push edi
call fcn.00405742
push 0x40747c
push esi
call sub.KERNEL32.dll_lstrcatA
push dword [esp + 0x14]
push esi
call sub.KERNEL32.dll_lstrcatA
push str.___
push esi
call sub.KERNEL32.dll_lstrcatA
push edi
push esi
call sub.KERNEL32.dll_lstrcatA
push esi
call fcn.00405715
push ebx
push esi
call fcn.004052b0
test eax, eax
je 0x4034e8
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 0x403413
jmp 0x4033cb
cmp dword [0x424434], 0
je 0x40359d
push str.OpenProcessToken
mov esi, 0x407450
push esi
call fcn.004056b8
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.004056b8
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.004056b8
xor esi, esi
cmp ebp, esi
mov ebx, eax
je 0x403589
cmp edi, esi
je 0x403589
cmp ebx, esi
je 0x403589
lea eax, [esp + 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x403589
lea eax, [esp + 0x20]
push eax
push str.SeShutdownPrivilege
push esi
call edi
push esi
push esi
push esi
lea eax, [esp + 0x28]
push eax
push esi
push dword [esp + 0x28]
mov dword [esp + 0x34], 1
mov dword [esp + 0x40], 2
call ebx
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x40359d
push 9
call fcn.00401416
mov eax, dword [0x42444c]
cmp eax, 0xffffffff
je 0x4035ab
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]