Function at 0x40de90
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 0x49122c
mov eax, dword fs:[0]
push eax
sub esp, 0x280
mov eax, dword [0x4c11d0]
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 0x40dee7
mov eax, 1
jmp 0x40e27b
push 0x24c
lea ecx, [ebp - 0x260]
push 0
push ecx
mov dword [ebp - 0x264], 0
call fcn.0046ed60
add esp, 0xc
lea edx, [ebp - 0x288]
push esi
push edx
mov ebx, 0x4a2684
call fcn.004066e0
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 0x40df56
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
cmp esi, 0xffffffff
jne 0x40df62
xor eax, eax
jmp 0x40e27b
lea esi, [ebp - 0x238]
shr esi, 0x10
mov dword [ebp - 0x274], 1
mov dword [ebp - 0x280], esi
jmp 0x40df80
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 0x40dfcb
lea ecx, [ebp - 0x238]
movzx esi, cx
push 0
push esi
call fcn.00401690
add esp, 8
test eax, eax
je 0x40dffc
push esi
push eax
lea ecx, [ebp - 0x26c]
call fcn.00401850
jmp 0x40dff6
lea eax, [ebp - 0x238]
lea edx, [eax + 2]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x40dfd4
sub eax, edx
sar eax, 1
push eax
lea edx, [ebp - 0x238]
push edx
lea ecx, [ebp - 0x26c]
call fcn.00401b40
mov edi, dword [ebp - 0x26c]
mov dword [ebp - 4], 1
mov ecx, 0x4a225c
mov eax, edi
lea ebx, [ebx]
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40e036
test dx, dx
je 0x40e032
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40e036
add eax, 4
add ecx, 4
test dx, dx
jne 0x40e010
xor eax, eax
jmp 0x40e03b
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40e214
mov ecx, 0x4a268c
mov eax, edi
nop
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x40e076
test dx, dx
je 0x40e072
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x40e076
add eax, 4
add ecx, 4
test dx, dx
jne 0x40e050
xor eax, eax
jmp 0x40e07b
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
sete al
test al, al
jne 0x40e214
mov eax, dword [ebp - 0x278]
mov esi, dword [eax]
mov ebx, eax
cmp esi, dword [ebx + 4]
je 0x40e0c2
mov eax, dword [esi]
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
je 0x40e25a
push eax
push edi
call fcn.0046c25c
add esp, 8
test eax, eax
je 0x40e214
add esi, 4
cmp esi, dword [ebx + 4]
jne 0x40e097
mov esi, dword [ebp - 0x284]
lea ecx, [ebp - 0x268]
push esi
push ecx
mov ebx, 0x4a233c
call fcn.004066e0
add esp, 8
mov byte [ebp - 4], 2
mov eax, dword [edi - 0xc]
push eax
push edi
lea ebx, [ebp - 0x268]
call fcn.0040c570
mov ebx, 1
test byte [ebp - 0x264], bl
je 0x40e110
mov edx, dword [ebp - 0x268]
push 0x80
push edx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test byte [ebp - 0x264], 0x10
je 0x40e13b
lea eax, [ebp - 0x268]
push eax
call fcn.0040db40
add esp, 4
test eax, eax
jne 0x40e1ef
mov dword [ebp - 0x274], eax
jmp 0x40e1ef
mov eax, dword [esi]
sub eax, 0x10
push eax
call fcn.004015d0
lea esi, [eax + 0x10]
add esp, 4
mov dword [ebp - 0x270], esi
mov byte [ebp - 4], 3
cmp dword [esi - 4], ebx
jle 0x40e170
mov ecx, dword [esi - 0xc]
push ecx
lea ecx, [ebp - 0x270]
call fcn.00401970
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.0046d70b
add esp, 8
test eax, eax
js 0x40e264
cmp eax, dword [esi - 8]
jg 0x40e264
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 0x40e1cf
lea ecx, [ebp - 0x270]
push ecx
lea edx, [ebp - 0x268]
push edx
call fcn.0040ea70
add esp, 8
test eax, eax
jne 0x40e1cf
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 0x40e1ef
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 0x40e214
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 0x40e237
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 0x40e26e
mov esi, dword [ebp - 0x280]
jmp 0x40df80
push 0x80004005
call fcn.00401af0
push 0x80070057
call fcn.00401af0
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.0046b255
mov esp, ebp
pop ebp
ret