Function at 0x403160
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 ebp, 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 0x42e820
mov dword [0x42f0d0], eax
call sub.KERNEL32.dll_lstrcpyA
mov ebx, 0x436400
mov edi, 0x400
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.0040312c
test eax, eax
jne 0x4031db
push 0x3fb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatA
call fcn.0040312c
test eax, eax
je 0x403321
mov esi, 0x435000
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 [0x435000], 0x22
mov dword [0x42f020], eax
mov eax, esi
jne 0x403219
mov byte [esp + 0x10], 0x22
mov eax, 0x435001
push dword [esp + 0x10]
push eax
call fcn.0040549a
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x403297
cmp cl, 0x20
jne 0x40323b
inc eax
cmp byte [eax], 0x20
je 0x403235
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x40324b
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403287
inc eax
cmp byte [eax], 0x53
jne 0x403266
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403266
or dword [esp + 0x14], 2
cmp dword [eax], 0x4352434e
jne 0x40327e
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40327e
or dword [esp + 0x14], 4
cmp dword [eax - 2], 0x3d442f20
je 0x40329f
push dword [esp + 0x10]
push eax
call fcn.0040549a
cmp byte [eax], 0x22
jne 0x403297
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x403230
jmp 0x4032b1
and byte [eax - 2], 0
add eax, 2
push eax
push 0x435400
call sub.KERNEL32.dll_lstrcpyA
push dword [esp + 0x14]
call fcn.00402c31
mov ebp, eax
cmp ebp, edi
jne 0x403321
cmp dword [0x42f034], edi
je 0x403311
push edi
push esi
call fcn.0040549a
mov edi, eax
jmp 0x4032dc
cmp dword [edi], 0x3d3f5f20
je 0x4032e0
dec edi
cmp edi, esi
jae 0x4032d3
cmp edi, esi
mov ebp, str.Error_launching_installer
jb 0x403347
and byte [edi], 0
add edi, 4
push edi
call fcn.0040554f
test eax, eax
je 0x403321
push edi
push 0x435400
call sub.KERNEL32.dll_lstrcpyA
push edi
push 0x435800
call sub.KERNEL32.dll_lstrcpyA
xor ebp, ebp
or dword [0x42f0cc], 0xffffffff
call fcn.00403531
mov dword [esp + 0x18], eax
call fcn.0040350c
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebp, ebp
je 0x403459
push 0x200010
push ebp
call fcn.0040528a
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 + 0x14], 0
mov esi, 0x429060
mov edi, 0x428c60
push ebx
push esi
mov word [0x429060], 0x22
call sub.KERNEL32.dll_lstrcatA
push str.Au_.exe
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x429061
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebp, ebp
je 0x40343f
push 0x400
push edi
push dword [0x42f020]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x428c5a]
push 0x409199
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403321
push 0
push 0x429061
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40343f
push 0
push 0x429061
call fcn.004056aa
cmp byte [0x435400], 0
je 0x4033f8
push 0x435400
push edi
call sub.KERNEL32.dll_lstrcpyA
jmp 0x4033fe
push edi
call fcn.004054b6
push 0x409210
push esi
call sub.KERNEL32.dll_lstrcatA
push dword [esp + 0x1c]
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.0040546f
push ebx
push esi
call fcn.00405212
test eax, eax
je 0x40343f
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebp, ebp
inc byte [str.Au_.exe]
inc dword [esp + 0x14]
cmp dword [esp + 0x14], 0x1a
jl 0x40336a
jmp 0x403321
cmp dword [0x42f0b4], 0
je 0x4034f4
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00405c7c
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00405c7c
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00405c7c
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x4034e0
cmp edi, esi
je 0x4034e0
cmp ebx, esi
je 0x4034e0
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4034e0
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 0x4034f4
push 9
call fcn.00401410
mov eax, dword [0x42f0cc]
cmp eax, 0xffffffff
je 0x403502
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]