Function at 0x4051e0
Capabilities:
Check if file exists
Delete directory
Delete file
Get file attributes
Move file
Set file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4d9f01
mov eax, dword fs:[0]
push eax
sub esp, 0x884
mov eax, dword [0x51b7bc]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, dword [ebp + 8]
mov ebx, dword [ebp + 0xc]
test esi, esi
jne 0x40521f
xor eax, eax
jmp 0x4054b3
cmp word [esi], 0
je 0x405218
test ebx, ebx
je 0x405218
cmp word [ebx], 0
je 0x405218
mov ecx, esi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x405234
sub ecx, edx
sar ecx, 1
cmp ecx, 0x104
jge 0x405218
push 0x410
lea eax, [ebp - 0x420]
push 0
push eax
call fcn.004647d0
add esp, 0xc
lea eax, [ebp - 0x420]
push 0x4e78a0
push esi
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
mov eax, 0x5c
mov dword [ebp - 0x428], 0
mov word [ebp - 0x42c], ax
mov dword [ebp - 0x424], 0
lea eax, [ebp - 0x420]
mov dword [ebp - 4], 0
push eax
lea ecx, [ebp - 0x884]
call fcn.00404b20
test eax, eax
je 0x405498
mov edi, dword [sym.imp.KERNEL32.dll_MoveFileExW]
nop dword [eax + eax]
cmp dword [ebp - 0x424], 0
je 0x405326
mov eax, dword [ebp - 0x884]
shr eax, 4
and eax, 1
je 0x405326
cmp word [ebp - 0x858], 0x2e
jne 0x405326
mov ax, word [ebp - 0x856]
test ax, ax
je 0x4052fd
cmp ax, 0x2e
jne 0x405326
cmp word [ebp - 0x854], 0
jne 0x405326
mov eax, dword [ebp - 0x428]
test eax, eax
je 0x405498
lea ecx, [ebp - 0x884]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
mov edi, eax
mov dword [ebp - 0x424], edi
jmp 0x40548a
lea eax, [ebp - 0x888]
push eax
lea ecx, [ebp - 0x884]
call fcn.00404dc0
cmp dword [ebp - 0x424], 0
mov byte [ebp - 4], 1
je 0x405368
mov eax, dword [ebp - 0x884]
shr eax, 4
and eax, 1
je 0x405368
mov esi, dword [ebp - 0x888]
push ebx
push esi
call fcn.004051e0
add esp, 8
jmp 0x40543d
mov esi, dword [ebp - 0x888]
push esi
call dword [sym.imp.SHLWAPI.dll_PathFindExtensionW]
push ebx
push eax
call fcn.0048144a
add esp, 8
test eax, eax
jne 0x40543d
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
jne 0x40543d
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x40543d
push 0x80
push esi
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
je 0x4053c0
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
test eax, eax
jne 0x40543d
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4053db
test al, 0x10
je 0x4053db
push esi
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
test eax, eax
jne 0x40543d
lea ecx, [ebp - 0x88c]
call fcn.00403e40
lea eax, [ebp - 0x88c]
mov byte [ebp - 4], 2
push eax
lea eax, [ebp - 0x888]
push eax
call fcn.00404340
add esp, 8
push 4
push 0
test eax, eax
je 0x40541a
mov esi, dword [ebp - 0x88c]
push esi
call edi
push esi
mov esi, dword [ebp - 0x888]
jmp 0x405424
mov esi, dword [ebp - 0x888]
push esi
call edi
push esi
push esi
push str.delete_file:_s_by_pending:_s
call fcn.00421630
add esp, 0xc
lea ecx, [ebp - 0x88c]
call fcn.00403ea0
mov eax, dword [ebp - 0x428]
test eax, eax
jne 0x40544b
xor edi, edi
jmp 0x40546e
cmp dword [ebp - 0x424], 0
jne 0x405458
xor edi, edi
jmp 0x40546e
lea ecx, [ebp - 0x884]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
mov edi, eax
mov dword [ebp - 0x424], edi
mov byte [ebp - 4], 0
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x40548a
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
test edi, edi
mov edi, dword [sym.imp.KERNEL32.dll_MoveFileExW]
jne 0x4052c0
lea ecx, [ebp - 0x884]
call fcn.00404280
lea ecx, [ebp - 0x884]
call fcn.00403ed0
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00458638
mov esp, ebp
pop ebp
ret