Function at 0x403335
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 0x423b60
mov dword [0x424410], eax
call sub.KERNEL32.dll_lstrcpyA
mov ebx, 0x42b400
mov edi, 0x400
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403301
test eax, eax
jne 0x4033b0
push 0x3fb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatA
call fcn.00403301
test eax, eax
je 0x4034f6
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 [0x424360], eax
mov eax, esi
jne 0x4033ee
mov byte [esp + 0x10], 0x22
mov eax, 0x42a001
push dword [esp + 0x10]
push eax
call fcn.00405676
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x40346c
cmp cl, 0x20
jne 0x403410
inc eax
cmp byte [eax], 0x20
je 0x40340a
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x403420
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x40345c
inc eax
cmp byte [eax], 0x53
jne 0x40343b
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x40343b
or dword [esp + 0x14], 2
cmp dword [eax], 0x4352434e
jne 0x403453
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403453
or dword [esp + 0x14], 4
cmp dword [eax - 2], 0x3d442f20
je 0x403474
push dword [esp + 0x10]
push eax
call fcn.00405676
cmp byte [eax], 0x22
jne 0x40346c
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x403405
jmp 0x403486
and byte [eax - 2], 0
add eax, 2
push eax
push 0x42a400
call sub.KERNEL32.dll_lstrcpyA
push dword [esp + 0x14]
call fcn.00402c83
mov ebp, eax
cmp ebp, edi
jne 0x4034f6
cmp dword [0x424374], edi
je 0x4034e6
push edi
push esi
call fcn.00405676
mov edi, eax
jmp 0x4034b1
cmp dword [edi], 0x3d3f5f20
je 0x4034b5
dec edi
cmp edi, esi
jae 0x4034a8
cmp edi, esi
mov ebp, str.Error_launching_installer
jb 0x40351c
and byte [edi], 0
add edi, 4
push edi
call fcn.0040572b
test eax, eax
je 0x4034f6
push edi
push 0x42a400
call sub.KERNEL32.dll_lstrcpyA
push edi
push 0x42a800
call sub.KERNEL32.dll_lstrcpyA
xor ebp, ebp
or dword [0x42440c], 0xffffffff
call fcn.00403728
mov dword [esp + 0x18], eax
call fcn.004036eb
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebp, ebp
je 0x40362e
push 0x200010
push ebp
call fcn.00405457
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, 0x41f520
mov edi, 0x41f120
push ebx
push esi
mov word [0x41f520], 0x22
call sub.KERNEL32.dll_lstrcatA
push str.Au_.exe
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x41f521
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebp, ebp
je 0x403614
push 0x400
push edi
push dword [0x424360]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x41f11a]
push 0x4091fd
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x4034f6
push 0
push 0x41f521
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403614
push 0
push 0x41f521
call fcn.00405887
cmp byte [0x42a400], 0
je 0x4035cd
push 0x42a400
push edi
call sub.KERNEL32.dll_lstrcpyA
jmp 0x4035d3
push edi
call fcn.00405692
push 0x409274
push esi
call sub.KERNEL32.dll_lstrcatA
push dword [esp + 0x1c]
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x40926c
push esi
call sub.KERNEL32.dll_lstrcatA
push edi
push esi
call sub.KERNEL32.dll_lstrcatA
push esi
call fcn.0040564b
push ebx
push esi
call fcn.004053df
test eax, eax
je 0x403614
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 0x40353f
jmp 0x4034f6
cmp dword [0x4243f4], 0
je 0x4036d3
push str.ADVAPI32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, eax
test edi, edi
je 0x4036be
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.OpenProcessToken
push edi
call esi
push str.LookupPrivilegeValueA
push edi
mov ebx, eax
call esi
push str.AdjustTokenPrivileges
push edi
mov ebp, eax
call esi
xor esi, esi
mov edi, eax
cmp ebx, esi
je 0x4036be
cmp ebp, esi
je 0x4036be
cmp edi, esi
je 0x4036be
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x4036be
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push esi
call ebp
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 edi
push 0
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4036d3
push 9
call fcn.0040141b
mov eax, dword [0x42440c]
cmp eax, 0xffffffff
je 0x4036e1
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]