Function at 0x4035a4
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 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 0x7c6260
mov dword [0x7ca310], eax
call fcn.00405f64
mov esi, 0x7fd000
mov edi, 0x2000
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403570
mov ebp, dword [sym.imp.KERNEL32.dll_lstrcatA]
test eax, eax
jne 0x403621
push 0x1ffb
push esi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push esi
call ebp
call fcn.00403570
test eax, eax
je 0x40376d
mov esi, 0x7f3000
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 [0x7f3000], 0x22
mov dword [0x7ca260], eax
mov eax, esi
jne 0x40365f
mov byte [esp + 0x14], 0x22
mov eax, 0x7f3001
push dword [esp + 0x14]
push eax
call fcn.00405a8c
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
mov cl, byte [eax]
test cl, cl
je 0x4036f1
cmp cl, 0x20
jne 0x403685
inc eax
cmp byte [eax], 0x20
je 0x40367f
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x403695
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x4036cd
inc eax
cmp byte [eax], 0x53
jne 0x4036ae
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x4036ae
or ebx, 2
cmp dword [eax], 0x4352434e
jne 0x4036c4
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x4036c4
or ebx, 4
cmp dword [eax - 2], 0x3d442f20
je 0x4036df
push dword [esp + 0x14]
push eax
call fcn.00405a8c
cmp byte [eax], 0x22
jne 0x403674
inc eax
jmp 0x403674
and byte [eax - 2], 0
add eax, 2
push eax
push 0x7f5000
call fcn.00405f64
push ebx
call fcn.00403067
cmp eax, edi
mov dword [esp + 0x10], eax
jne 0x40376d
cmp dword [0x7ca274], edi
je 0x403756
push edi
push esi
call fcn.00405a8c
mov edi, eax
cmp edi, esi
jb 0x40371f
cmp dword [edi], 0x3d3f5f20
je 0x40371f
dec edi
jmp 0x403710
cmp edi, esi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x403799
and byte [edi], 0
add edi, 4
push edi
call fcn.00405b43
test eax, eax
je 0x40376d
push edi
push 0x7f5000
call fcn.00405f64
push edi
push 0x7f7000
call fcn.00405f64
and dword [esp + 0x10], 0
or dword [0x7ca30c], 0xffffffff
call fcn.004039a2
push 1
mov dword [esp + 0x1c], eax
call fcn.0040626a
call fcn.0040395b
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], 0
je 0x40389e
push 0x200010
push dword [esp + 0x14]
call fcn.00405803
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
and dword [esp + 0x14], 0
mov edi, 0x7a9bed
mov esi, 0x7a9bec
mov ebx, 0x7a7bec
push 0x7fd000
push edi
mov byte [0x7a9bec], 0x22
call fcn.00405f64
push str.nsu.tmp_
push esi
call ebp
push 0
push edi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push str.Au_.exe
push esi
call ebp
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], 0
je 0x403884
push 0x2000
push ebx
push dword [0x7ca260]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x7a7be6]
push 0x40a70d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40376d
push 0
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403884
push 0
push edi
call fcn.00405ca0
cmp byte [0x7f5000], 0
je 0x403842
push 0x7f5000
push ebx
call fcn.00405f64
jmp 0x403848
push ebx
call fcn.00405aa8
push 0x40a784
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.00405a60
push 0x7f5000
push esi
call fcn.0040577c
test eax, eax
je 0x403884
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
and dword [esp + 0x10], 0
inc byte [str.Au_.exe]
inc dword [esp + 0x14]
cmp dword [esp + 0x14], 0x1a
jl 0x4037ad
jmp 0x40376d
cmp dword [0x7ca2f4], 0
je 0x403943
push str.ADVAPI32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, eax
test edi, edi
je 0x40392e
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
test ebx, ebx
mov esi, eax
je 0x40392e
test ebp, ebp
je 0x40392e
test esi, esi
je 0x40392e
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x40392e
lea eax, [esp + 0x24]
xor edi, edi
push eax
push str.SeShutdownPrivilege
push edi
call ebp
push edi
push edi
lea eax, [esp + 0x28]
push edi
push eax
push edi
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call esi
push 0
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403943
push 9
call fcn.00401440
mov eax, dword [0x7ca30c]
cmp eax, 0xffffffff
je 0x403951
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]