Function at 0x403338
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 ebp, 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 [0x425530], eax
push esi
lea eax, [esp + 0x30]
push 0x160
push eax
push esi
push 0x420e54
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x424c80
call fcn.00405c2e
mov ebx, 0x42c400
push ebx
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403304
test eax, eax
jne 0x4033c8
push 0x3fb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebx
call fcn.00405c51
call fcn.00403304
test eax, eax
je 0x403502
mov edi, 0x42b000
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push edi
call fcn.00405c2e
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x42b000], 0x22
mov dword [0x425480], eax
mov eax, edi
jne 0x403403
mov byte [esp + 0x10], 0x22
mov eax, 0x42b001
push dword [esp + 0x10]
push eax
call fcn.0040575c
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x14], eax
mov cl, byte [eax]
test cl, cl
je 0x403495
cmp cl, 0x20
jne 0x403429
inc eax
cmp byte [eax], 0x20
je 0x403423
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x403439
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403471
inc eax
cmp byte [eax], 0x53
jne 0x403452
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403452
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x403468
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403468
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x403483
push dword [esp + 0x10]
push eax
call fcn.0040575c
cmp byte [eax], 0x22
jne 0x403418
inc eax
jmp 0x403418
and byte [eax - 2], 0
add eax, 2
push eax
push 0x42b400
call fcn.00405c2e
push esi
call fcn.00402cab
mov ebp, eax
test ebp, ebp
jne 0x403502
cmp dword [0x425494], eax
je 0x4034f2
push eax
push edi
call fcn.0040575c
mov esi, eax
cmp esi, edi
jb 0x4034c1
cmp dword [esi], 0x3d3f5f20
je 0x4034c1
dec esi
jmp 0x4034b2
cmp esi, edi
mov ebp, str.Error_launching_installer
jb 0x403528
and byte [esi], 0
add esi, 4
push esi
call fcn.00405813
test eax, eax
je 0x403502
push esi
push 0x42b400
call fcn.00405c2e
push esi
push 0x42b800
call fcn.00405c2e
xor ebp, ebp
or dword [0x42552c], 0xffffffff
call fcn.0040372a
mov dword [esp + 0x18], eax
call fcn.004036ed
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebp, ebp
je 0x40363a
push 0x200010
push ebp
call fcn.00405522
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebx
call fcn.00405c51
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x10], 0
mov esi, 0x420254
mov edi, 0x420a54
push ebx
push esi
mov word [0x420254], 0x22
call fcn.00405c51
push str.Au_.exe
push esi
call fcn.00405c51
push 0x420255
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebp, ebp
je 0x403620
push 0x400
push edi
push dword [0x425480]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x420a4e]
push 0x40a1fd
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403502
push 0
push 0x420255
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403620
push 0
push 0x420255
call fcn.00405975
cmp byte [0x42b400], 0
je 0x4035d9
push 0x42b400
push edi
call fcn.00405c2e
jmp 0x4035df
push edi
call fcn.00405778
push 0x40a274
push esi
call fcn.00405c51
push dword [esp + 0x14]
push esi
call fcn.00405c51
push str.___
push esi
call fcn.00405c51
push edi
push esi
call fcn.00405c51
push esi
call fcn.00405731
push ebx
push esi
call fcn.0040549b
test eax, eax
je 0x403620
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebp, ebp
inc byte [str.Au_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x40354b
jmp 0x403502
cmp dword [0x425514], 0
je 0x4036d5
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00405f79
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00405f79
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00405f79
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x4036c1
cmp edi, esi
je 0x4036c1
cmp ebx, esi
je 0x4036c1
lea eax, [esp + 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4036c1
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 0x4036d5
push 9
call fcn.00401433
mov eax, dword [0x42552c]
cmp eax, 0xffffffff
je 0x4036e3
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]