Function at 0x455200
Capabilities:
Check if file exists
Delete file
Get file attributes
Move file
Set file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x47ec06
mov eax, dword fs:[0]
push eax
sub esp, 0x880
mov eax, dword [0x4be5b4]
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 ebx, dword [ebp + 8]
test ebx, ebx
jne 0x45523c
xor eax, eax
jmp 0x455478
cmp word [ebx], 0
je 0x455235
mov ecx, ebx
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x455247
sub ecx, edx
sar ecx, 1
cmp ecx, 0x104
jge 0x455235
push 0x410
lea eax, [ebp - 0x420]
push 0
push eax
call fcn.00432c40
add esp, 0xc
lea eax, [ebp - 0x420]
push 0x493388
push ebx
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4552a2
test al, 1
je 0x4552a2
and eax, 0xfffffffe
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
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.00454bb0
mov esi, dword [sym.imp.KERNEL32.dll_FindClose]
test eax, eax
je 0x455428
cmp dword [ebp - 0x424], 0
mov edi, dword [sym.imp.KERNEL32.dll_DeleteFileW]
je 0x455355
mov eax, dword [ebp - 0x884]
shr eax, 4
and eax, 1
je 0x455355
cmp word [ebp - 0x858], 0x2e
jne 0x455355
mov ax, word [ebp - 0x856]
test ax, ax
je 0x45532c
cmp ax, 0x2e
jne 0x455355
cmp word [ebp - 0x854], 0
jne 0x455355
mov eax, dword [ebp - 0x428]
test eax, eax
je 0x455494
lea ecx, [ebp - 0x884]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
mov edi, eax
mov dword [ebp - 0x424], edi
jmp 0x45541a
lea eax, [ebp - 0x888]
push eax
lea ecx, [ebp - 0x884]
call fcn.00454cf0
cmp dword [ebp - 0x424], 0
mov byte [ebp - 4], 1
je 0x455393
mov eax, dword [ebp - 0x884]
shr eax, 4
and eax, 1
je 0x455393
mov esi, dword [ebp - 0x888]
push esi
call fcn.00455200
add esp, 4
jmp 0x4553cd
mov esi, dword [ebp - 0x888]
push esi
call edi
test eax, eax
jne 0x4553cd
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4553cd
push 0x80
push esi
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
je 0x4553c2
push esi
call edi
test eax, eax
jne 0x4553cd
push 4
push 0
push esi
call dword [sym.imp.KERNEL32.dll_MoveFileExW]
mov eax, dword [ebp - 0x428]
test eax, eax
jne 0x4553db
xor edi, edi
jmp 0x4553fe
cmp dword [ebp - 0x424], 0
jne 0x4553e8
xor edi, edi
jmp 0x4553fe
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 0x45541a
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
test edi, edi
jne 0x4552e9
mov esi, dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [ebp - 0x428]
mov dword [ebp - 0x424], 0
test eax, eax
je 0x45544e
cmp eax, 0xffffffff
je 0x45544e
push eax
call esi
mov dword [ebp - 0x428], 0
push ebx
call fcn.00454870
mov eax, dword [ebp - 0x428]
add esp, 4
mov dword [ebp - 0x424], 0
test eax, eax
je 0x455473
cmp eax, 0xffffffff
je 0x455473
push eax
call esi
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.0042c75e
mov esp, ebp
pop ebp
ret
mov esi, dword [sym.imp.KERNEL32.dll_FindClose]
mov dword [ebp - 0x424], 0
jmp 0x45544e