Function at 0x40f3f0
Capabilities:
Check if file exists
Delete file
Enumerate files on windows
Get file attributes
Set file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x48a3ec
mov eax, dword fs:[0]
push eax
sub esp, 0x280
mov eax, dword [0x4ba1f0]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 8]
mov esi, ecx
mov dword [ebp - 0x278], eax
mov eax, dword [esi]
push eax
mov dword [ebp - 0x284], esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x40f447
mov eax, 1
jmp 0x40f7db
push 0x24c
lea ecx, [ebp - 0x260]
push 0
push ecx
mov dword [ebp - 0x264], 0
call fcn.004690e0
add esp, 0xc
lea edx, [ebp - 0x288]
push esi
push edx
mov ebx, 0x49bc80
call fcn.00406d50
mov eax, dword [eax]
add esp, 8
lea ecx, [ebp - 0x264]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_FindFirstFileW]
mov esi, eax
mov eax, dword [ebp - 0x288]
add eax, 0xfffffff0
mov dword [ebp - 0x27c], esi
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x40f4b6
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
cmp esi, 0xffffffff
jne 0x40f4c2
xor eax, eax
jmp 0x40f7db
lea esi, [ebp - 0x238]
shr esi, 0x10
mov dword [ebp - 0x274], 1
mov dword [ebp - 0x280], esi
jmp 0x40f4e0
mov edx, dword [section..data]
mov eax, dword [edx + 0xc]
mov ecx, section..data
call eax
lea edi, [eax + 0x10]
mov dword [ebp - 0x26c], edi
mov dword [ebp - 4], 0
test esi, esi
jne 0x40f52b
lea ecx, [ebp - 0x238]
movzx esi, cx
push 0
push esi
call fcn.00401de0
add esp, 8
test eax, eax
je 0x40f55c
push esi
push eax
lea ecx, [ebp - 0x26c]
call fcn.00401fa0
jmp 0x40f556
lea eax, [ebp - 0x238]
lea edx, [eax + 2]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x40f534
sub eax, edx
sar eax, 1
push eax
lea edx, [ebp - 0x238]
push edx
lea ecx, [ebp - 0x26c]
call fcn.00402290
mov edi, dword [ebp - 0x26c]
mov dword [ebp - 4], 1
mov ecx, 0x49b7f4
mov eax, edi
lea ebx, [ebx]
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40f596
test dx, dx
je 0x40f592
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40f596
add eax, 4
add ecx, 4
test dx, dx
jne 0x40f570
xor eax, eax
jmp 0x40f59b
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40f774
mov ecx, 0x49bc88
mov eax, edi
nop
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40f5d6
test dx, dx
je 0x40f5d2
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40f5d6
add eax, 4
add ecx, 4
test dx, dx
jne 0x40f5b0
xor eax, eax
jmp 0x40f5db
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40f774
mov eax, dword [ebp - 0x278]
mov esi, dword [eax]
mov ebx, eax
cmp esi, dword [ebx + 4]
je 0x40f622
mov eax, dword [esi]
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
je 0x40f7ba
push eax
push edi
call fcn.004667fc
add esp, 8
test eax, eax
je 0x40f774
add esi, 4
cmp esi, dword [ebx + 4]
jne 0x40f5f7
mov esi, dword [ebp - 0x284]
lea ecx, [ebp - 0x268]
push esi
push ecx
mov ebx, 0x49b904
call fcn.00406d50
add esp, 8
mov byte [ebp - 4], 2
mov eax, dword [edi - 0xc]
push eax
push edi
lea ebx, [ebp - 0x268]
call fcn.0040dfe0
mov ebx, 1
test byte [ebp - 0x264], bl
je 0x40f670
mov edx, dword [ebp - 0x268]
push 0x80
push edx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test byte [ebp - 0x264], 0x10
je 0x40f69b
lea eax, [ebp - 0x268]
push eax
call fcn.0040f0a0
add esp, 4
test eax, eax
jne 0x40f74f
mov dword [ebp - 0x274], eax
jmp 0x40f74f
mov eax, dword [esi]
sub eax, 0x10
push eax
call fcn.00401d20
lea esi, [eax + 0x10]
add esp, 4
mov dword [ebp - 0x270], esi
mov byte [ebp - 4], 3
cmp dword [esi - 4], ebx
jle 0x40f6d0
mov ecx, dword [esi - 0xc]
push ecx
lea ecx, [ebp - 0x270]
call fcn.004020c0
mov esi, dword [ebp - 0x270]
push esi
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
mov eax, dword [esi - 8]
push eax
push esi
call fcn.00467b95
add esp, 8
test eax, eax
js 0x40f7c4
cmp eax, dword [esi - 8]
jg 0x40f7c4
mov dword [esi - 0xc], eax
xor edx, edx
mov word [esi + eax*2], dx
mov eax, dword [ebp - 0x268]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
jne 0x40f72f
lea ecx, [ebp - 0x270]
push ecx
lea edx, [ebp - 0x268]
push edx
call fcn.00410b80
add esp, 8
test eax, eax
jne 0x40f72f
mov dword [ebp - 0x274], eax
lea eax, [esi - 0x10]
mov byte [ebp - 4], 2
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x40f74f
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov byte [ebp - 4], bl
mov eax, dword [ebp - 0x268]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x40f774
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
lea eax, [edi - 0x10]
mov dword [ebp - 4], 0xffffffff
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x40f797
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov esi, dword [ebp - 0x27c]
lea ecx, [ebp - 0x264]
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
je 0x40f7ce
mov esi, dword [ebp - 0x280]
jmp 0x40f4e0
push 0x80004005
call fcn.00402240
push 0x80070057
call fcn.00402240
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp - 0x274]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.004657f5
mov esp, ebp
pop ebp
ret