Function at 0x40dc20
Capabilities:
Check if file exists
Delete directory
Get file attributes
Set file attributes

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x493ae1
mov eax, dword fs:[0]
push eax
sub esp, 0x270
mov eax, dword [0x4c51d0]
xor eax, esp
mov dword [esp + 0x268], eax
push ebx
push esi
push edi
mov eax, dword [0x4c51d0]
xor eax, esp
push eax
lea eax, [esp + 0x280]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
mov eax, dword [edi]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x40dc7b
mov eax, 1
jmp 0x40df32
push 0x24c
lea eax, [esp + 0x2c]
push 0
push eax
mov dword [esp + 0x30], 0
call fcn.00471ba0
add esp, 0xc
lea ecx, [esp + 0x1c]
push edi
push ecx
mov ebx, 0x4a572c
call fcn.004066f0
mov eax, dword [eax]
add esp, 8
lea edx, [esp + 0x24]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_FindFirstFileW]
mov esi, eax
mov eax, dword [esp + 0x1c]
add eax, 0xfffffff0
mov dword [esp + 0x20], esi
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x40dcde
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
cmp esi, 0xffffffff
jne 0x40dcf3
mov ecx, dword [edi]
push ecx
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
xor eax, eax
jmp 0x40df32
lea edx, [esp + 0x50]
push edx
lea ecx, [esp + 0x18]
call fcn.00401c30
mov dword [esp + 0x288], 0
mov esi, dword [esp + 0x14]
mov ecx, 0x4a5304
mov eax, esi
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40dd3d
test dx, dx
je 0x40dd39
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40dd3d
add eax, 4
add ecx, 4
test dx, dx
jne 0x40dd17
xor eax, eax
jmp 0x40dd42
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40ded0
mov ecx, 0x4a5734
mov eax, esi
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40dd7c
test dx, dx
je 0x40dd78
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40dd7c
add eax, 4
add ecx, 4
test dx, dx
jne 0x40dd56
xor eax, eax
jmp 0x40dd81
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40ded0
lea eax, [esp + 0x10]
push edi
push eax
mov ebx, 0x4a53e4
call fcn.004066f0
add esp, 8
mov byte [esp + 0x288], 1
mov eax, dword [esp + 0x14]
mov ecx, dword [eax - 0xc]
push ecx
push eax
lea ebx, [esp + 0x18]
call fcn.0040c5f0
mov ebx, 1
test byte [esp + 0x24], bl
je 0x40ddd6
mov ecx, dword [esp + 0x10]
push 0x80
push ecx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test byte [esp + 0x24], 0x10
je 0x40ddef
lea edx, [esp + 0x10]
push edx
call fcn.0040dc20
add esp, 4
jmp 0x40de94
mov eax, dword [edi]
sub eax, 0x10
push eax
call fcn.004015d0
lea esi, [eax + 0x10]
add esp, 4
mov dword [esp + 0x18], esi
mov byte [esp + 0x288], 2
cmp dword [esi - 4], ebx
jle 0x40de22
mov eax, dword [esi - 0xc]
push eax
lea ecx, [esp + 0x1c]
call fcn.00401970
mov esi, dword [esp + 0x18]
push esi
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
mov eax, dword [esi - 8]
push eax
push esi
call fcn.0047054b
add esp, 8
test eax, eax
js 0x40df56
cmp eax, dword [esi - 8]
jg 0x40df56
mov dword [esi - 0xc], eax
xor ecx, ecx
mov word [esi + eax*2], cx
mov edx, dword [esp + 0x10]
push edx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
jne 0x40de71
lea eax, [esp + 0x18]
push eax
lea ecx, [esp + 0x14]
push ecx
call fcn.0040f700
add esp, 8
lea eax, [esi - 0x10]
mov byte [esp + 0x288], bl
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x40de94
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov byte [esp + 0x288], 0
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x40debc
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov dword [esp + 0x288], 0xffffffff
mov eax, dword [esp + 0x14]
add eax, 0xfffffff0
jmp 0x40dede
mov dword [esp + 0x288], 0xffffffff
lea eax, [esi - 0x10]
or edx, 0xffffffff
lea ecx, [eax + 0xc]
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x40def7
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov esi, dword [esp + 0x20]
lea ecx, [esp + 0x24]
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x40dcf3
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
mov edx, dword [edi]
push edx
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
mov eax, dword [edi]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
xor ecx, ecx
cmp eax, 0xffffffff
sete cl
mov eax, ecx
mov ecx, dword [esp + 0x280]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x268]
xor ecx, esp
call fcn.0046e095
mov esp, ebp
pop ebp
ret
push 0x80070057
call fcn.00401ae0
int3