Function at 0x40db40
Capabilities:
Check if file exists
Delete directory
Delete file
Enumerate files on windows
Enumerate files recursively
Get file attributes
Set file attributes

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x490391
mov eax, dword fs:[0]
push eax
sub esp, 0x270
mov eax, dword [0x4c11d0]
xor eax, esp
mov dword [esp + 0x268], eax
push ebx
push esi
push edi
mov eax, dword [0x4c11d0]
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 0x40db9b
mov eax, 1
jmp 0x40de52
push 0x24c
lea eax, [esp + 0x2c]
push 0
push eax
mov dword [esp + 0x30], 0
call fcn.0046ed60
add esp, 0xc
lea ecx, [esp + 0x1c]
push edi
push ecx
mov ebx, 0x4a2684
call fcn.004066e0
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 0x40dbfe
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
cmp esi, 0xffffffff
jne 0x40dc13
mov ecx, dword [edi]
push ecx
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
xor eax, eax
jmp 0x40de52
lea edx, [esp + 0x50]
push edx
lea ecx, [esp + 0x18]
call fcn.00401c40
mov dword [esp + 0x288], 0
mov esi, dword [esp + 0x14]
mov ecx, 0x4a225c
mov eax, esi
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40dc5d
test dx, dx
je 0x40dc59
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40dc5d
add eax, 4
add ecx, 4
test dx, dx
jne 0x40dc37
xor eax, eax
jmp 0x40dc62
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40ddf0
mov ecx, 0x4a268c
mov eax, esi
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40dc9c
test dx, dx
je 0x40dc98
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40dc9c
add eax, 4
add ecx, 4
test dx, dx
jne 0x40dc76
xor eax, eax
jmp 0x40dca1
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40ddf0
lea eax, [esp + 0x10]
push edi
push eax
mov ebx, 0x4a233c
call fcn.004066e0
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.0040c570
mov ebx, 1
test byte [esp + 0x24], bl
je 0x40dcf6
mov ecx, dword [esp + 0x10]
push 0x80
push ecx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test byte [esp + 0x24], 0x10
je 0x40dd0f
lea edx, [esp + 0x10]
push edx
call fcn.0040db40
add esp, 4
jmp 0x40ddb4
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 0x40dd42
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.0046d70b
add esp, 8
test eax, eax
js 0x40de76
cmp eax, dword [esi - 8]
jg 0x40de76
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 0x40dd91
lea eax, [esp + 0x18]
push eax
lea ecx, [esp + 0x14]
push ecx
call fcn.0040ea70
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 0x40ddb4
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 0x40dddc
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 0x40ddfe
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 0x40de17
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 0x40dc13
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.0046b255
mov esp, ebp
pop ebp
ret
push 0x80070057
call fcn.00401af0
int3