Function at 0x403182
Capabilities:
Accept command line arguments
Copy file
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 0x7a2360
mov dword [0x7a2c10], eax
call sub.KERNEL32.dll_lstrcpyA
mov esi, 0x7a9400
mov edi, 0x400
push esi
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.0040314e
mov ebp, dword [sym.imp.KERNEL32.dll_lstrcatA]
test eax, eax
jne 0x4031ff
push 0x3fb
push esi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push esi
call ebp
call fcn.0040314e
test eax, eax
je 0x403346
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]
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x7a8000], 0x22
mov dword [0x7a2b60], eax
jne 0x40323a
mov byte [esp + 0x14], 0x22
mov esi, 0x7a8001
push dword [esp + 0x14]
push esi
call fcn.00405499
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov edi, eax
mov dword [esp + 0x1c], edi
jmp 0x4032b6
cmp cl, 0x20
jne 0x40325e
inc eax
cmp byte [eax], 0x20
je 0x403258
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x40326e
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x4032a6
inc eax
cmp byte [eax], 0x53
jne 0x403287
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403287
or ebx, 2
cmp dword [eax], 0x4352434e
jne 0x40329d
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40329d
or ebx, 4
cmp dword [eax - 2], 0x3d442f20
je 0x4032be
push dword [esp + 0x14]
push eax
call fcn.00405499
cmp byte [eax], 0x22
jne 0x4032b6
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x403253
jmp 0x4032d0
and byte [eax - 2], 0
add eax, 2
push eax
push 0x7a8400
call sub.KERNEL32.dll_lstrcpyA
push ebx
call fcn.00402c57
xor ebx, ebx
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x403346
cmp dword [0x7a2b74], ebx
je 0x403336
push ebx
push edi
call fcn.00405499
mov esi, eax
jmp 0x4032fc
cmp dword [esi], 0x3d3f5f20
je 0x403300
dec esi
cmp esi, edi
jae 0x4032f3
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x403372
and byte [esi], 0
add esi, 4
push esi
call fcn.0040554e
test eax, eax
je 0x403346
push esi
push 0x7a8400
call sub.KERNEL32.dll_lstrcpyA
push esi
push 0x7a8800
call sub.KERNEL32.dll_lstrcpyA
mov dword [esp + 0x10], ebx
or dword [0x7a2c0c], 0xffffffff
call fcn.00403547
mov dword [esp + 0x18], eax
call fcn.00403522
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], 0
je 0x403465
push 0x200010
push dword [esp + 0x14]
call fcn.00405278
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
mov dword [esp + 0x14], ebx
mov edi, 0x79dd31
mov esi, 0x79dd30
mov ebx, 0x79d930
push 0x7a9400
push edi
mov byte [0x79dd30], 0x22
call sub.KERNEL32.dll_lstrcpyA
push str.ANSISu_.exe
push esi
call ebp
push edi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], 0
je 0x40344b
push 0x400
push ebx
push dword [0x7a2b60]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x79d925]
push 0x409199
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403346
push 0
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40344b
push 0
push edi
call fcn.004056a4
cmp byte [0x7a8400], 0
je 0x403409
push 0x7a8400
push ebx
call sub.KERNEL32.dll_lstrcpyA
jmp 0x40340f
push ebx
call fcn.004054b5
push 0x409218
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.0040546d
push 0x7a9400
push esi
call fcn.00405200
test eax, eax
je 0x40344b
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
and dword [esp + 0x10], 0
inc byte [str.ANSISu_.exe]
inc dword [esp + 0x14]
cmp dword [esp + 0x14], 0x1a
jl 0x403385
jmp 0x403346
cmp dword [0x7a2bf4], 0
je 0x40350a
push str.ADVAPI32.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, eax
test edi, edi
je 0x4034f5
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.OpenProcessToken
push edi
call esi
push str.LookupPrivilegeValueA
push edi
mov ebp, eax
call esi
push str.AdjustTokenPrivileges
push edi
mov ebx, eax
call esi
test ebp, ebp
mov edi, eax
je 0x4034f5
test ebx, ebx
je 0x4034f5
test edi, edi
je 0x4034f5
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4034f5
lea eax, [esp + 0x24]
xor esi, esi
push eax
push str.SeShutdownPrivilege
push esi
call ebx
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 0x40350a
push 9
call fcn.0040141b
mov eax, dword [0x7a2c0c]
cmp eax, 0xffffffff
je 0x403518
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]