Function at 0x403330
Capabilities:
Accept command line arguments
Copy file
Delete file
Get common file path
Shutdown system
Terminate process

Disassembly:
sub esp, 0x20
push ebx
push ebp
push esi
xor ebx, ebx
push edi
mov dword [esp + 0x18], ebx
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov byte [esp + 0x14], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
push str.NSIS_Error
push 0x423b40
mov dword [0x4243f0], eax
call sub.KERNEL32.dll_lstrcpyA
mov esi, 0x42b400
mov edi, 0x400
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004032fc
mov ebp, dword [sym.imp.KERNEL32.dll_lstrcatA]
test eax, eax
jne 0x4033ad
push 0x3fb
push esi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push esi
call ebp
call fcn.004032fc
test eax, eax
je 0x4034f4
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]
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x42a000], 0x22
mov dword [0x424340], eax
jne 0x4033e8
mov byte [esp + 0x14], 0x22
mov esi, 0x42a001
push dword [esp + 0x14]
push esi
call fcn.0040565f
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov edi, eax
mov dword [esp + 0x1c], edi
jmp 0x403464
cmp cl, 0x20
jne 0x40340c
inc eax
cmp byte [eax], 0x20
je 0x403406
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x40341c
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x403454
inc eax
cmp byte [eax], 0x53
jne 0x403435
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403435
or ebx, 2
cmp dword [eax], 0x4352434e
jne 0x40344b
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40344b
or ebx, 4
cmp dword [eax - 2], 0x3d442f20
je 0x40346c
push dword [esp + 0x14]
push eax
call fcn.0040565f
cmp byte [eax], 0x22
jne 0x403464
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x403401
jmp 0x40347e
and byte [eax - 2], 0
add eax, 2
push eax
push 0x42a400
call sub.KERNEL32.dll_lstrcpyA
push ebx
call fcn.00402c7e
xor ebx, ebx
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x4034f4
cmp dword [0x424354], ebx
je 0x4034e4
push ebx
push edi
call fcn.0040565f
mov esi, eax
jmp 0x4034aa
cmp dword [esi], 0x3d3f5f20
je 0x4034ae
dec esi
cmp esi, edi
jae 0x4034a1
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x403520
and byte [esi], 0
add esi, 4
push esi
call fcn.00405714
test eax, eax
je 0x4034f4
push esi
push 0x42a400
call sub.KERNEL32.dll_lstrcpyA
push esi
push 0x42a800
call sub.KERNEL32.dll_lstrcpyA
mov dword [esp + 0x10], ebx
or dword [0x4243ec], 0xffffffff
call fcn.0040370d
mov dword [esp + 0x18], eax
call fcn.004036d0
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], 0
je 0x403613
push 0x200010
push dword [esp + 0x14]
call fcn.0040543e
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
mov dword [esp + 0x14], ebx
mov edi, 0x41f519
mov esi, 0x41f518
mov ebx, 0x41f118
push 0x42b400
push edi
mov byte [0x41f518], 0x22
call sub.KERNEL32.dll_lstrcpyA
push str.ANSISu_.exe
push esi
call ebp
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], 0
je 0x4035f9
push 0x400
push ebx
push dword [0x424340]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x41f10d]
push 0x4091fd
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x4034f4
push 0
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x4035f9
push 0
push edi
call fcn.0040586a
cmp byte [0x42a400], 0
je 0x4035b7
push 0x42a400
push ebx
call sub.KERNEL32.dll_lstrcpyA
jmp 0x4035bd
push ebx
call fcn.0040567b
push 0x40927c
push esi
call ebp
push dword [esp + 0x1c]
push esi
call ebp
push str.___
push esi
call ebp
push ebx
push esi
call ebp
push esi
call fcn.00405633
push 0x42b400
push esi
call fcn.004053c6
test eax, eax
je 0x4035f9
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
and dword [esp + 0x10], 0
inc byte [str.ANSISu_.exe]
inc dword [esp + 0x14]
cmp dword [esp + 0x14], 0x1a
jl 0x403533
jmp 0x4034f4
cmp dword [0x4243d4], 0
je 0x4036b8
push str.ADVAPI32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, eax
test edi, edi
je 0x4036a3
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.OpenProcessToken
push edi
call esi
push str.LookupPrivilegeValueA
push edi
mov ebp, eax
call esi
push str.AdjustTokenPrivileges
push edi
mov ebx, eax
call esi
test ebp, ebp
mov edi, eax
je 0x4036a3
test ebx, ebx
je 0x4036a3
test edi, edi
je 0x4036a3
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4036a3
lea eax, [esp + 0x24]
xor esi, esi
push eax
push str.SeShutdownPrivilege
push esi
call ebx
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 0x4036b8
push 9
call fcn.0040141b
mov eax, dword [0x4243ec]
cmp eax, 0xffffffff
je 0x4036c6
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]