Function at 0x403818
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 ebx, 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]
mov dword [0x45d8b0], eax
push esi
lea eax, [esp + 0x30]
push 0x160
push eax
push esi
push 0x439000
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x459800
call fcn.00406322
mov ebp, 0x490000
push ebp
push 0x2000
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004037e4
test eax, eax
jne 0x4038a8
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.00406345
call fcn.004037e4
test eax, eax
je 0x4039e9
mov edi, 0x486000
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push edi
call fcn.00406322
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x486000], 0x22
mov dword [0x45d800], eax
mov eax, edi
jne 0x4038e3
mov byte [esp + 0x10], 0x22
mov eax, 0x486001
push dword [esp + 0x10]
push eax
call fcn.00405e50
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x14], eax
mov cl, byte [eax]
test cl, cl
je 0x403975
cmp cl, 0x20
jne 0x403909
inc eax
cmp byte [eax], 0x20
je 0x403903
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x403919
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403951
inc eax
cmp byte [eax], 0x53
jne 0x403932
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403932
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x403948
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403948
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x403963
push dword [esp + 0x10]
push eax
call fcn.00405e50
cmp byte [eax], 0x22
jne 0x4038f8
inc eax
jmp 0x4038f8
and byte [eax - 2], 0
add eax, 2
push eax
push 0x488000
call fcn.00406322
push esi
call fcn.004032ee
mov ebx, eax
test ebx, ebx
jne 0x4039e9
cmp dword [0x45d814], eax
je 0x4039d2
push eax
push edi
call fcn.00405e50
mov esi, eax
cmp esi, edi
jb 0x4039a1
cmp dword [esi], 0x3d3f5f20
je 0x4039a1
dec esi
jmp 0x403992
cmp esi, edi
mov ebx, str.Error_launching_installer
jb 0x403a0f
and byte [esi], 0
add esi, 4
push esi
call fcn.00405f07
test eax, eax
je 0x4039e9
push esi
push 0x488000
call fcn.00406322
push esi
push 0x48a000
call fcn.00406322
xor ebx, ebx
or dword [0x45d8ac], 0xffffffff
call fcn.00403c1a
push 1
mov dword [esp + 0x1c], eax
call fcn.0040662f
call fcn.00403bd4
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebx, ebx
je 0x403b21
push 0x200010
push ebx
call fcn.00405bc1
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebp
call fcn.00406345
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x10], 0
mov esi, 0x433000
mov edi, 0x437000
push ebp
push esi
mov word [0x433000], 0x22
call fcn.00406345
push str.Au_.exe
push esi
call fcn.00406345
push 0x433001
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebx, ebx
je 0x403b07
push 0x2000
push edi
push dword [0x45d800]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x436ffa]
push 0x40a74d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x4039e9
push 0
push 0x433001
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403b07
push 0
push 0x433001
call fcn.00406069
cmp byte [0x488000], 0
je 0x403ac0
push 0x488000
push edi
call fcn.00406322
jmp 0x403ac6
push edi
call fcn.00405e6c
push 0x40a7c4
push esi
call fcn.00406345
push dword [esp + 0x14]
push esi
call fcn.00406345
push str.___
push esi
call fcn.00406345
push edi
push esi
call fcn.00406345
push esi
call fcn.00405e25
push ebp
push esi
call fcn.00405b3a
test eax, eax
je 0x403b07
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebx, ebx
inc byte [str.Au_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x403a32
jmp 0x4039e9
cmp dword [0x45d894], 0
je 0x403bbc
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00406808
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00406808
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00406808
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x403ba8
cmp edi, esi
je 0x403ba8
cmp ebx, esi
je 0x403ba8
lea eax, [esp + 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x403ba8
lea eax, [esp + 0x20]
push eax
push str.SeShutdownPrivilege
push esi
call edi
push esi
push esi
lea eax, [esp + 0x24]
push esi
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 0x403bbc
push 9
call fcn.00401518
mov eax, dword [0x45d8ac]
cmp eax, 0xffffffff
je 0x403bca
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]