Function at 0x4051d3
Capabilities:
Check if file exists
Get file attributes

Disassembly:
sub esp, 0x14
push ebx
push ebp
push esi
mov esi, dword [0x423bcc]
push edi
push 6
call fcn.004058b1
xor ebx, ebx
cmp eax, ebx
je 0x4051ff
call eax
movzx eax, ax
push eax
push 0x42a000
call fcn.0040572c
jmp 0x405249
push ebx
mov edi, 0x4201b8
push edi
push ebx
push str.Control_PanelDesktopResourceLocale
push 0x80000001
mov dword [0x42a000], 0x7830
call fcn.004056b5
cmp byte [0x4201b8], bl
jne 0x40523e
push ebx
push edi
push 0x4074ce
push str..DEFAULTControl_PanelInternational
push 0x80000003
call fcn.004056b5
push edi
push 0x42a000
call sub.KERNEL32.dll_lstrcatA
call fcn.004038fc
mov eax, dword [0x423c28]
and eax, 0x20
mov ebp, 0x429400
push ebp
mov dword [0x423c80], eax
mov dword [0x423c9c], 0x10000
call fcn.0040596f
test eax, eax
jne 0x4052f9
mov ecx, dword [esi + 0x48]
cmp ecx, ebx
je 0x4052f9
mov eax, dword [0x423bf8]
mov edx, dword [esi + 0x4c]
push ebx
mov edi, 0x422b60
push edi
add edx, eax
push edx
add ecx, eax
push ecx
push dword [esi + 0x44]
call fcn.004056b5
mov al, byte [0x422b60]
cmp al, bl
je 0x4052f9
cmp al, 0x22
jne 0x4052b8
push 0x22
mov edi, 0x422b61
push edi
call fcn.00405563
mov byte [eax], bl
push edi
call sub.KERNEL32.dll_lstrlenA
lea eax, [eax + edi - 4]
cmp eax, edi
jbe 0x4052ec
push str..exe
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
jne 0x4052ec
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x4052e6
test al, 0x10
jne 0x4052ec
push edi
call fcn.00405948
push edi
call fcn.0040591b
push eax
push ebp
call fcn.004057ce
push ebp
call fcn.0040596f
test eax, eax
jne 0x40530f
push dword [esi + 0x118]
push ebp
call fcn.00405a47
push 0x8040
push ebx
push ebx
push 1
push 0x67
push dword [0x423bc8]
call dword [sym.imp.USER32.dll_LoadImageA]
mov dword [0x423390], eax
cmp dword [esi + 0x50], 0xffffffff
mov edi, 0x423360
je 0x4053c3
mov ecx, dword [0x423bc8]
mov dword [0x423374], eax
lea eax, [esp + 0x10]
push edi
mov dword [esp + 0x14], 0x624e5f
mov dword [0x423364], 0x401000
mov dword [0x423370], ecx
mov dword [0x423384], eax
call dword [sym.imp.USER32.dll_RegisterClassA]
test ax, ax
je 0x405492
push ebx
lea eax, [esp + 0x18]
push eax
push ebx
push 0x30
call dword [sym.imp.USER32.dll_SystemParametersInfoA]
mov eax, dword [esp + 0x20]
sub eax, dword [esp + 0x18]
push ebx
push dword [0x423bc8]
push ebx
push ebx
push eax
mov eax, dword [esp + 0x30]
sub eax, dword [esp + 0x28]
push eax
push dword [esp + 0x30]
lea eax, [esp + 0x2c]
push dword [esp + 0x30]
push 0x80000000
push ebx
push eax
push 0x80
call dword [sym.imp.USER32.dll_CreateWindowExA]
mov dword [0x41f5b4], eax
push ebx
call fcn.0040141a
test eax, eax
je 0x4053d5
push 2
pop eax
jmp 0x405494
call fcn.004038fc
cmp dword [0x423ca0], ebx
jne 0x405469
push 5
push dword [0x41f5b4]
call dword [sym.imp.USER32.dll_ShowWindow]
mov esi, dword [sym.imp.KERNEL32.dll_LoadLibraryA]
push str.RichEd20
call esi
test eax, eax
jne 0x40540c
push str.RichEd32
call esi
mov esi, dword [sym.imp.USER32.dll_GetClassInfoA]
push edi
mov ebp, str.RichEdit20A
push ebp
push ebx
call esi
test eax, eax
jne 0x405436
push edi
push str.RichEdit
push ebx
call esi
push edi
mov dword [0x423384], ebp
call dword [sym.imp.USER32.dll_RegisterClassA]
mov eax, dword [0x42339c]
push ebx
push 0x404d42
add eax, 0x69
movzx eax, ax
push ebx
push eax
push dword [0x423bc8]
call dword [sym.imp.USER32.dll_DialogBoxParamA]
push 5
mov esi, eax
call fcn.0040141a
push 1
call fcn.004036f0
mov eax, esi
jmp 0x405494
push ebx
call fcn.0040494f
test eax, eax
je 0x40548b
cmp dword [0x423394], ebx
jne 0x4053cd
push 2
call fcn.0040141a
jmp 0x4053cd
push 1
call fcn.0040141a
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x14
ret