Function at 0x403187
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 esi, esi
push edi
mov dword [esp + 0x18], esi
mov ebp, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x14], esi
mov byte [esp + 0x10], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push esi
call dword [sym.imp.ole32.dll_OleInitialize]
push str.NSIS_Error
push 0x7a2360
mov dword [0x7a2c10], eax
call sub.KERNEL32.dll_lstrcpyA
mov ebx, 0x7a9400
mov edi, 0x400
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403153
test eax, eax
jne 0x403202
push 0x3fb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatA
call fcn.00403153
test eax, eax
je 0x403348
mov esi, 0x7a8000
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 [0x7a8000], 0x22
mov dword [0x7a2b60], eax
mov eax, esi
jne 0x403240
mov byte [esp + 0x10], 0x22
mov eax, 0x7a8001
push dword [esp + 0x10]
push eax
call fcn.004054b0
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x4032be
cmp cl, 0x20
jne 0x403262
inc eax
cmp byte [eax], 0x20
je 0x40325c
cmp byte [eax], 0x22
mov byte [esp + 0x10], 0x20
jne 0x403272
inc eax
mov byte [esp + 0x10], 0x22
cmp byte [eax], 0x2f
jne 0x4032ae
inc eax
cmp byte [eax], 0x53
jne 0x40328d
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x40328d
or dword [esp + 0x14], 2
cmp dword [eax], 0x4352434e
jne 0x4032a5
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x4032a5
or dword [esp + 0x14], 4
cmp dword [eax - 2], 0x3d442f20
je 0x4032c6
push dword [esp + 0x10]
push eax
call fcn.004054b0
cmp byte [eax], 0x22
jne 0x4032be
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x403257
jmp 0x4032d8
and byte [eax - 2], 0
add eax, 2
push eax
push 0x7a8400
call sub.KERNEL32.dll_lstrcpyA
push dword [esp + 0x14]
call fcn.00402c5c
mov ebp, eax
cmp ebp, edi
jne 0x403348
cmp dword [0x7a2b74], edi
je 0x403338
push edi
push esi
call fcn.004054b0
mov edi, eax
jmp 0x403303
cmp dword [edi], 0x3d3f5f20
je 0x403307
dec edi
cmp edi, esi
jae 0x4032fa
cmp edi, esi
mov ebp, str.Error_launching_installer
jb 0x40336e
and byte [edi], 0
add edi, 4
push edi
call fcn.00405565
test eax, eax
je 0x403348
push edi
push 0x7a8400
call sub.KERNEL32.dll_lstrcpyA
push edi
push 0x7a8800
call sub.KERNEL32.dll_lstrcpyA
xor ebp, ebp
or dword [0x7a2c0c], 0xffffffff
call fcn.00403562
mov dword [esp + 0x18], eax
call fcn.0040353d
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebp, ebp
je 0x403480
push 0x200010
push ebp
call fcn.00405291
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebx
call sub.KERNEL32.dll_lstrcatA
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x14], 0
mov esi, 0x79dd38
mov edi, 0x79d938
push ebx
push esi
mov word [0x79dd38], 0x22
call sub.KERNEL32.dll_lstrcatA
push str.Au_.exe
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x79dd39
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebp, ebp
je 0x403466
push 0x400
push edi
push dword [0x7a2b60]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x79d932]
push 0x409199
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403348
push 0
push 0x79dd39
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403466
push 0
push 0x79dd39
call fcn.004056c1
cmp byte [0x7a8400], 0
je 0x40341f
push 0x7a8400
push edi
call sub.KERNEL32.dll_lstrcpyA
jmp 0x403425
push edi
call fcn.004054cc
push 0x409210
push esi
call sub.KERNEL32.dll_lstrcatA
push dword [esp + 0x1c]
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x409208
push esi
call sub.KERNEL32.dll_lstrcatA
push edi
push esi
call sub.KERNEL32.dll_lstrcatA
push esi
call fcn.00405485
push ebx
push esi
call fcn.00405219
test eax, eax
je 0x403466
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebp, ebp
inc byte [str.Au_.exe]
inc dword [esp + 0x14]
cmp dword [esp + 0x14], 0x1a
jl 0x403391
jmp 0x403348
cmp dword [0x7a2bf4], 0
je 0x403525
push str.ADVAPI32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, eax
test edi, edi
je 0x403510
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
xor esi, esi
mov edi, eax
cmp ebx, esi
je 0x403510
cmp ebp, esi
je 0x403510
cmp edi, esi
je 0x403510
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x403510
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push esi
call ebp
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 0x403525
push 9
call fcn.0040141b
mov eax, dword [0x7a2c0c]
cmp eax, 0xffffffff
je 0x403533
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]