Function at 0x401071
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 0x425ca0
mov dword [0x425c30], eax
call sub.KERNEL32.dll_lstrcpyA
mov esi, 0x42d400
push esi
mov edi, 0x400
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00401000
test eax, eax
mov ebp, dword [sym.imp.KERNEL32.dll_lstrcatA]
jne 0x4010ee
push 0x3fb
push esi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push esi
call ebp
call fcn.00401000
test eax, eax
je 0x40123c
mov esi, 0x42c000
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 [0x42c000], 0x22
mov dword [0x4264a4], eax
jne 0x401129
mov byte [esp + 0x14], 0x22
mov esi, 0x42c001
push dword [esp + 0x14]
push esi
call fcn.00405ab2
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov edi, eax
mov dword [esp + 0x1c], edi
jmp 0x4011a5
cmp cl, 0x20
jne 0x40114d
inc eax
cmp byte [eax], 0x20
je 0x401147
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x40115d
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x401195
inc eax
cmp byte [eax], 0x53
jne 0x401176
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x401176
or ebx, 2
cmp dword [eax], 0x4352434e
jne 0x40118c
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x40118c
or ebx, 4
cmp dword [eax - 2], 0x3d442f20
je 0x4011ad
push dword [esp + 0x14]
push eax
call fcn.00405ab2
cmp byte [eax], 0x22
jne 0x4011a5
inc eax
mov cl, byte [eax]
test cl, cl
jne 0x401142
jmp 0x4011bf
and byte [eax - 2], 0
add eax, 2
push eax
push 0x42c400
call sub.KERNEL32.dll_lstrcpyA
push ebx
call fcn.004056be
xor ebx, ebx
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x40123c
cmp dword [0x425be0], ebx
je 0x401225
push ebx
push edi
call fcn.00405ab2
mov esi, eax
jmp 0x4011eb
cmp dword [esi], 0x3d3f5f20
je 0x4011ef
dec esi
cmp esi, edi
jae 0x4011e2
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x401267
and byte [esi], 0
add esi, 4
push esi
call fcn.00405ede
test eax, eax
je 0x40123c
push esi
push 0x42c400
call sub.KERNEL32.dll_lstrcpyA
push esi
push 0x42c800
call sub.KERNEL32.dll_lstrcpyA
mov dword [esp + 0x10], ebx
or dword [0x425c2c], 0xffffffff
call fcn.004031e4
push 1
mov dword [esp + 0x1c], eax
call fcn.00405d95
call fcn.00401034
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], 0
je 0x40135a
push 0x100010
push dword [esp + 0x14]
call fcn.00405a61
push 2
jmp 0x401411
mov dword [esp + 0x14], ebx
mov edi, 0x40a081
mov esi, 0x40a080
mov ebx, 0x40a880
push 0x42d400
push edi
mov byte [0x40a080], 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 0x401340
push 0x400
push ebx
push dword [0x4264a4]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
push 0x40a001
lea eax, [eax + 0x40a875]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40123c
push 0
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x401340
push 0
push edi
call fcn.00405fa2
cmp byte [0x42c400], 0
je 0x4012fe
push 0x42c400
push ebx
call sub.KERNEL32.dll_lstrcpyA
jmp 0x401304
push ebx
call fcn.00405eb9
push 0x408308
push esi
call ebp
push dword [esp + 0x1c]
push esi
call ebp
push 0x408300
push esi
call ebp
push ebx
push esi
call ebp
push esi
call fcn.00405e8d
push 0x42d400
push esi
call fcn.004059e9
test eax, eax
je 0x401340
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 0x40127a
jmp 0x40123c
cmp dword [0x425c14], 0
je 0x4013ff
push 0x4082f0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov edi, eax
test edi, edi
je 0x4013ea
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
test ebx, ebx
mov esi, eax
je 0x4013ea
test ebp, ebp
je 0x4013ea
test esi, esi
je 0x4013ea
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x4013ea
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
xor edi, edi
push edi
call ebp
push edi
push edi
push edi
lea eax, [esp + 0x2c]
push eax
push edi
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call esi
push 0
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4013ff
push 9
call fcn.004036eb
mov eax, dword [0x425c2c]
cmp eax, 0xffffffff
je 0x40140d
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]