Function at 0x403877
Capabilities:
Check if file exists
Get file attributes

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
mov esi, dword [0x423730]
push edi
push 2
call fcn.00406290
xor ebx, ebx
cmp eax, ebx
je 0x4038a3
call eax
movzx eax, ax
push eax
push 0x42a000
call fcn.00405e55
jmp 0x4038f7
mov edi, 0x41fd30
push ebx
push edi
push ebx
push str.Control_PanelDesktopResourceLocale
push 0x80000001
mov byte [0x42a000], 0x30
mov byte [0x42a001], 0x78
mov byte [0x42a002], bl
call fcn.00405dde
cmp byte [0x41fd30], bl
jne 0x4038ec
push ebx
push edi
push 0x40735a
push str..DEFAULTControl_PanelInternational
push 0x80000003
call fcn.00405dde
push edi
push 0x42a000
call sub.KERNEL32.dll_lstrcatA
call fcn.00403b3c
mov eax, dword [0x423738]
mov ebp, 0x429400
and eax, 0x20
push ebp
mov dword [0x4237a0], eax
mov dword [0x4237bc], 0x10000
call fcn.00405a57
test eax, eax
jne 0x4039a7
mov ecx, dword [esi + 0x48]
cmp ecx, ebx
je 0x4039a7
mov edx, dword [esi + 0x4c]
mov eax, dword [0x423758]
mov edi, 0x4226c0
push ebx
add edx, eax
push edi
add ecx, eax
push edx
push ecx
push dword [esi + 0x44]
call fcn.00405dde
mov al, byte [0x4226c0]
cmp al, bl
je 0x4039a7
cmp al, 0x22
jne 0x403966
mov edi, 0x4226c1
push 0x22
push edi
call fcn.00405994
mov byte [eax], bl
push edi
call sub.KERNEL32.dll_lstrlenA
lea eax, [eax + edi - 4]
cmp eax, edi
jbe 0x40399a
push str..exe
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
jne 0x40399a
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x403994
test al, 0x10
jne 0x40399a
push edi
call fcn.004059b0
push edi
call fcn.00405969
push eax
push ebp
call fcn.00405ef7
push ebp
call fcn.00405a57
test eax, eax
jne 0x4039bd
push dword [esi + 0x118]
push ebp
call fcn.00405f19
push 0x8040
push ebx
push ebx
push 1
push 0x67
push dword [0x423720]
call dword [sym.imp.USER32.dll_LoadImageA]
mov dword [0x422f08], eax
cmp dword [esi + 0x50], 0xffffffff
mov edi, 0x422ec0
je 0x403a63
mov ecx, dword [0x423720]
mov esi, 0x409210
push edi
mov dword [0x422ec4], 0x401000
mov dword [0x422ed0], ecx
mov dword [0x422ed4], eax
mov dword [0x422ee4], esi
call dword [sym.imp.USER32.dll_RegisterClassA]
test ax, ax
je 0x403b32
lea eax, [esp + 0x10]
push ebx
push eax
push ebx
push 0x30
call dword [sym.imp.USER32.dll_SystemParametersInfoA]
push ebx
push dword [0x423720]
mov eax, dword [esp + 0x24]
sub eax, dword [esp + 0x1c]
push ebx
push ebx
push eax
mov eax, dword [esp + 0x2c]
sub eax, dword [esp + 0x24]
push eax
push dword [esp + 0x2c]
push dword [esp + 0x2c]
push 0x80000000
push ebx
push esi
push 0x80
call dword [sym.imp.USER32.dll_CreateWindowExA]
mov dword [0x41fd10], eax
push ebx
call fcn.0040140b
test eax, eax
je 0x403a75
push 2
pop eax
jmp 0x403b34
call fcn.00403b3c
cmp dword [0x4237c0], ebx
jne 0x403b09
push 5
push dword [0x41fd10]
call dword [sym.imp.USER32.dll_ShowWindow]
push str.RichEd20
call fcn.00406222
test eax, eax
jne 0x403aac
push str.RichEd32
call fcn.00406222
mov esi, dword [sym.imp.USER32.dll_GetClassInfoA]
mov ebp, str.RichEdit20A
push edi
push ebp
push ebx
call esi
test eax, eax
jne 0x403ad6
push edi
push str.RichEdit
push ebx
call esi
push edi
mov dword [0x422ee4], ebp
call dword [sym.imp.USER32.dll_RegisterClassA]
mov eax, dword [0x422f00]
push ebx
add eax, 0x69
push 0x403c09
movzx eax, ax
push ebx
push eax
push dword [0x423720]
call dword [sym.imp.USER32.dll_DialogBoxParamA]
push 5
mov esi, eax
call fcn.0040140b
push 1
call fcn.004037c7
mov eax, esi
jmp 0x403b34
push ebx
call fcn.004051e2
test eax, eax
je 0x403b2b
cmp dword [0x422eec], ebx
jne 0x403a6d
push 2
call fcn.0040140b
jmp 0x403a6d
push 1
call fcn.0040140b
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret