Function at 0x40312c
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, 0x180
push ebx
push ebp
push esi
xor ebx, ebx
push edi
mov dword [esp + 0x18], ebx
mov dword [esp + 0x14], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
xor esi, esi
mov byte [esp + 0x10], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x4247f0], eax
push ebx
lea eax, [esp + 0x34]
push 0x160
push eax
push ebx
push 0x41fcf8
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x423f40
call fcn.004059b4
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov edi, 0x42a000
push eax
push edi
call fcn.004059b4
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x42a000], 0x22
mov dword [0x424740], eax
mov eax, edi
jne 0x4031b6
mov byte [esp + 0x10], 0x22
mov eax, 0x42a001
push dword [esp + 0x10]
push eax
call fcn.004054d2
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x403230
cmp cl, 0x20
jne 0x4031d8
inc eax
cmp byte [eax], 0x20
je 0x4031d2
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x4031e8
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x403220
inc eax
cmp byte [eax], 0x53
jne 0x403201
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403201
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x403217
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403217
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x403238
push dword [esp + 0x10]
push eax
call fcn.004054d2
cmp byte [eax], 0x22
jne 0x403230
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x4031cd
jmp 0x40324a
and byte [eax - 2], 0
add eax, 2
push eax
push 0x42a400
call fcn.004059b4
mov ebp, 0x42b400
push ebp
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004030f8
test eax, eax
jne 0x403288
push 0x3fb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call sub.KERNEL32.dll_lstrcatA
call fcn.004030f8
test eax, eax
je 0x40341c
push 0x42b000
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push esi
call fcn.00402c31
cmp eax, ebx
mov dword [esp + 0x14], eax
jne 0x40341c
cmp dword [0x424754], ebx
je 0x4032ff
push ebx
push edi
call fcn.004054d2
mov esi, eax
jmp 0x4032c1
cmp dword [esi], 0x3d3f5f20
je 0x4032c5
dec esi
cmp esi, edi
jae 0x4032b8
cmp esi, edi
mov dword [esp + 0x14], str.Error_launching_installer
jb 0x403314
and byte [esi], 0
add esi, 4
push esi
call fcn.00405587
test eax, eax
je 0x40341c
push esi
push 0x42a400
call fcn.004059b4
push esi
push 0x42a800
call fcn.004059b4
mov dword [esp + 0x14], ebx
or dword [0x4247ec], 0xffffffff
call fcn.00403518
mov dword [esp + 0x18], eax
jmp 0x40341c
push str.nsu.tmp_
push ebp
call sub.KERNEL32.dll_lstrcatA
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
mov esi, 0x41f0f8
mov edi, 0x41f8f8
mov dword [esp + 0x10], ebx
mov ebx, 0x41f0f9
push ebp
push esi
mov word [0x41f0f8], 0x22
call sub.KERNEL32.dll_lstrcatA
push str.Au_.exe
push esi
call sub.KERNEL32.dll_lstrcatA
push ebx
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x14], 0
je 0x403405
push 0x400
push edi
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x41f8f2]
push 0x4091a1
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40341a
push 0
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403405
push 0
push ebx
call fcn.00405701
cmp byte [0x42a400], 0
je 0x4033bb
push 0x42a400
push edi
call fcn.004059b4
jmp 0x4033c1
push edi
call fcn.004054ee
push 0x409218
push esi
call sub.KERNEL32.dll_lstrcatA
push dword [esp + 0x1c]
push esi
call sub.KERNEL32.dll_lstrcatA
push str.___
push esi
call sub.KERNEL32.dll_lstrcatA
push edi
push esi
call sub.KERNEL32.dll_lstrcatA
push esi
call fcn.004054a7
push ebp
push esi
call fcn.0040522c
test eax, eax
je 0x403405
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
and dword [esp + 0x14], 0
inc byte [str.Au_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x40333a
xor ebx, ebx
call fcn.004034f3
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x14], ebx
je 0x403443
push 0x200010
push dword [esp + 0x18]
call fcn.004052a4
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
cmp dword [0x4247d4], ebx
je 0x4034db
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.00405cae
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.00405cae
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.00405cae
cmp ebp, ebx
mov esi, eax
je 0x4034c7
cmp edi, ebx
je 0x4034c7
cmp esi, ebx
je 0x4034c7
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4034c7
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push ebx
call edi
push ebx
push ebx
lea eax, [esp + 0x28]
push ebx
push eax
push ebx
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call esi
push ebx
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4034db
push 9
call fcn.00401410
mov eax, dword [0x4247ec]
cmp eax, 0xffffffff
je 0x4034e9
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]