Function at 0x47bff4
Capabilities:
Check if file exists
Check os version
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, 4
push 0
push 0
dec ecx
jne 0x47bffd
push ecx
xchg dword [ebp - 4], ecx
push ebx
push esi
mov ebx, ecx
mov dword [ebp - 4], edx
mov esi, eax
xor eax, eax
push ebp
push 0x47c29f
push dword fs:[eax]
mov dword fs:[eax], esp
call sub.kernel32.dll_GetVersion
test eax, 0x80000000
jne 0x47c173
mov eax, dword [ebp - 4]
push eax
call sub.kernel32.dll_lstrlenW
mov edx, eax
test bl, bl
je 0x47c064
mov eax, edx
sub eax, 2
cmp eax, 1
jl 0x47c064
mov ecx, dword [ebp - 4]
cmp word [ecx + eax*2], 0x5c
jne 0x47c05f
mov edx, dword [ebp - 4]
mov word [edx + eax*2], 0
mov edx, eax
jmp 0x47c064
dec eax
test eax, eax
jne 0x47c048
test edx, edx
jle 0x47c086
mov eax, dword [ebp - 4]
cmp word [eax + edx*2 - 2], 0x5c
je 0x47c086
mov eax, dword [ebp - 4]
mov word [eax + edx*2], 0x5c
mov eax, dword [ebp - 4]
mov word [eax + edx*2 + 2], 0
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
cmp dword [eax], 0
jne 0x47c0c5
lea ecx, [ebp - 8]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 8]
mov eax, dword [eax]
mov dl, 1
call fcn.00472524
mov eax, dword [ebp - 8]
push eax
lea ecx, [ebp - 0xc]
xor edx, edx
mov eax, dword [ebp - 4]
call fcn.00472524
mov edx, dword [ebp - 0xc]
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
pop ecx
call fcn.00404f78
jmp 0x47c102
lea eax, [ebp - 0x14]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov edx, dword [edx]
call fcn.00404e58
mov eax, dword [ebp - 0x14]
lea ecx, [ebp - 0x10]
mov dl, 1
call fcn.0046c570
mov eax, dword [ebp - 0x10]
push eax
lea ecx, [ebp - 0x18]
xor edx, edx
mov eax, dword [ebp - 4]
call fcn.00472524
mov edx, dword [ebp - 0x18]
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
pop ecx
call fcn.00404f78
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
mov eax, dword [eax]
call fcn.00404f20
cmp eax, 6
jle 0x47c150
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
mov eax, dword [eax]
cmp byte [eax + 2], 0x3a
je 0x47c13d
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
mov eax, dword [eax]
cmp byte [eax], 0x5c
jne 0x47c150
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
mov eax, dword [eax]
cmp byte [eax + 2], 0x5c
jne 0x47c150
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
mov eax, dword [eax]
push eax
call sub.kernel32.dll_GetFileAttributesW
cmp eax, 0xffffffff
jne 0x47c154
xor ebx, ebx
jmp 0x47c156
mov bl, 1
test bl, bl
je 0x47c284
mov eax, dword [ebp + 8]
mov eax, dword [eax + 8]
mov eax, dword [eax]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 8]
mov dword [edx], eax
jmp 0x47c284
push esi
call sub.kernel32.dll_lstrlen
mov edx, eax
test bl, bl
je 0x47c19c
mov eax, edx
sub eax, 2
cmp eax, 1
jl 0x47c19c
cmp byte [esi + eax], 0x5c
jne 0x47c197
mov byte [esi + eax], 0
mov edx, eax
jmp 0x47c19c
dec eax
test eax, eax
jne 0x47c189
test edx, edx
jle 0x47c1b0
cmp byte [esi + edx - 1], 0x5c
je 0x47c1b0
mov byte [esi + edx], 0x5c
mov byte [esi + edx + 1], 0
mov eax, dword [ebp + 8]
mov eax, dword [eax - 4]
cmp dword [eax], 0
jne 0x47c1ea
lea edx, [ebp - 0x1c]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 8]
mov eax, dword [eax]
call fcn.0046c618
mov eax, dword [ebp - 0x1c]
push eax
lea eax, [ebp - 0x20]
mov edx, esi
call fcn.00404e58
mov edx, dword [ebp - 0x20]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
pop ecx
call fcn.00404f78
jmp 0x47c217
lea eax, [ebp - 0x24]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov edx, dword [edx]
call fcn.00404e58
mov eax, dword [ebp - 0x24]
push eax
lea eax, [ebp - 0x28]
mov edx, esi
call fcn.00404e58
mov edx, dword [ebp - 0x28]
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
pop ecx
call fcn.00404f78
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
mov eax, dword [eax]
call fcn.00404f20
cmp eax, 3
jle 0x47c26a
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
mov eax, dword [eax]
cmp byte [eax + 1], 0x3a
je 0x47c252
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
mov eax, dword [eax]
cmp byte [eax], 0x5c
jne 0x47c26a
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
mov eax, dword [eax]
cmp byte [eax + 1], 0x5c
jne 0x47c26a
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
mov eax, dword [eax]
call fcn.004050f0
push eax
call sub.kernel32.dll_GetFileAttributesA
cmp eax, 0xffffffff
jne 0x47c26e
xor ebx, ebx
jmp 0x47c270
mov bl, 1
test bl, bl
je 0x47c284
mov eax, dword [ebp + 8]
mov eax, dword [eax - 0xc]
mov eax, dword [eax]
mov edx, dword [ebp + 8]
mov edx, dword [edx - 4]
mov dword [edx], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x47c2a6
lea eax, [ebp - 0x28]
mov edx, 9
call fcn.00404c84
ret