Function at 0x43db90
Capabilities:
Check if file exists
Copy file
Delete file
Get file attributes

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x5c82c0
push eax
mov dword fs:[0], esp
sub esp, 0x30
mov eax, dword [esp + 0x40]
push ebx
push ebp
push esi
mov esi, ecx
push edi
mov ecx, dword [esi + 0x1d8]
mov ebp, dword [ecx + eax*4]
test ebp, ebp
jne 0x43dbc6
xor al, al
jmp 0x43df60
mov ecx, esi
mov dword [esi + 0x1cc], eax
call fcn.0045f330
mov ecx, esi
call fcn.004474f0
lea edx, [esp + 0x14]
mov ecx, ebp
push edx
call fcn.004f46e0
mov eax, dword [esp + 0x14]
mov dword [esp + 0x48], 0
push eax
call dword [sym.imp.kernel32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x43dc1e
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0xc8]
mov eax, dword [esp + 0x14]
lea edi, [esi + 0x2e0]
push 1
push eax
mov ecx, edi
call fcn.004d96e0
jmp 0x43dc2b
lea edi, [esi + 0x2e0]
mov ecx, edi
call fcn.004dae00
push 0
push ebp
mov ecx, edi
call fcn.004df060
lea ebx, [ebp + 0x160]
mov byte [esp + 0x13], 0
push ebx
call fcn.00505820
add esp, 4
test eax, eax
jge 0x43dce7
mov edx, dword [esi]
mov ecx, esi
call dword [edx + 0xcc]
mov ecx, esi
call fcn.004382f0
test al, al
jne 0x43dca5
mov eax, 1
nop
nop
nop
nop
nop
nop
nop
nop
test eax, eax
jne 0x43dc7f
push 1
call dword [sym.imp.msvcrt.dll__exit]
push 0
mov ecx, esi
call fcn.00439500
push fcn.00439500
call fcn.004cfc8c
add esp, 4
test eax, eax
jne 0x43dd5a
push 1
call dword [sym.imp.msvcrt.dll__exit]
push ebx
mov byte [esp + 0x17], 1
mov dword [ebp + 0x204], 0
call dword [sym.imp.kernel32.dll_GetSystemTimeAsFileTime]
push 0
push ebp
mov ecx, edi
call fcn.004df060
push 1
push 0
push 0
push 0
push 0
push 0x61aa8c
call sub.etinfo.dll_unsigned_short_int_const____cdecl_mgLoadLocateString_unsigned_short_int_const__
add esp, 4
push eax
call fcn.0046c660
add esp, 0x18
jmp 0x43dd5a
mov ecx, esi
call fcn.00449420
mov ecx, esi
call fcn.004382f0
test al, al
push 1
jne 0x43dd4a
push 0
push 0
push 0
push 0
push 0x61aa6c
call sub.etinfo.dll_unsigned_short_int_const____cdecl_mgLoadLocateString_unsigned_short_int_const__
add esp, 4
push eax
call fcn.0046c660
mov eax, dword [esp + 0x68]
add esp, 0x18
test eax, eax
push 0
jne 0x43dd27
push 1
jmp 0x43dd29
push 0
mov ecx, esi
call fcn.0043db90
lea ecx, [esp + 0x14]
mov bl, al
mov dword [esp + 0x48], 0xffffffff
call sub.mfc42u.dll_CString::CString
mov al, bl
jmp 0x43df60
mov ecx, edi
call fcn.004d7ba0
push 1
mov ecx, esi
call fcn.0043b330
mov ecx, edi
call fcn.004d6740
test eax, eax
je 0x43dd7c
push 3
lea ecx, [esp + 0x54]
call fcn.004b42e0
mov al, byte [esp + 0x50]
mov byte [esi + 0xa48], al
jmp 0x43dd91
push 1
lea ecx, [esp + 0x54]
call fcn.004b42e0
mov cl, byte [esp + 0x50]
mov byte [esi + 0xa48], cl
push edi
call fcn.0046c940
add esp, 4
mov ecx, esi
call fcn.004498a0
mov ecx, esi
mov dword [esi + 0xbec], 0
call fcn.00431690
push 0
push 1
push 0
mov ecx, esi
call sub.mfc42u.dll_CDocument::UpdateAllViews
mov ebp, dword [esi + 0xb34]
mov ecx, dword [esi + 0xb30]
inc ebp
mov eax, ebp
mov dword [esi + 0xb34], ebp
mov dword [esi + 0xb38], eax
sub eax, ecx
cmp eax, 0xc8
jle 0x43de1b
inc ecx
mov dword [esi + 0xb30], ecx
mov ecx, esi
call fcn.0043ebc0
mov edx, dword [esi + 0xb30]
lea eax, [esp + 0x50]
dec edx
mov ecx, esi
push edx
push eax
call fcn.0043ef10
mov ecx, dword [esp + 0x50]
push ecx
call dword [sym.imp.kernel32.dll_DeleteFileW]
lea ecx, [esp + 0x50]
call sub.mfc42u.dll_CString::CString
jmp 0x43de22
mov ecx, esi
call fcn.0043ebc0
mov edx, dword [esi + 0xb34]
lea eax, [esp + 0x50]
push edx
push eax
mov ecx, esi
call fcn.0043ef10
mov eax, dword [eax]
push 0
push 1
push eax
mov ecx, edi
mov byte [esp + 0x54], 1
call fcn.004daac0
lea ecx, [esp + 0x50]
mov byte [esp + 0x48], 0
call sub.mfc42u.dll_CString::CString
mov al, byte [esp + 0x13]
test al, al
je 0x43dea7
lea ecx, [esp + 0x18]
push ecx
mov ecx, esi
call fcn.0043ef50
mov ebx, dword [eax]
mov edx, dword [esi + 0xb34]
lea eax, [esp + 0x50]
push edx
push eax
mov ecx, esi
mov byte [esp + 0x50], 2
call fcn.0043ef10
mov eax, dword [eax]
push 0
push ebx
push eax
call dword [sym.imp.kernel32.dll_CopyFileW]
lea ecx, [esp + 0x50]
call sub.mfc42u.dll_CString::CString
lea ecx, [esp + 0x18]
mov byte [esp + 0x48], 0
call sub.mfc42u.dll_CString::CString
mov al, byte [esp + 0x54]
test al, al
je 0x43df4d
lea ecx, [esp + 0x54]
call sub.mfc42u.dll_CString::CString_3
mov ecx, edi
mov byte [esp + 0x48], 3
call fcn.004dfab0
mov ecx, dword [eax + 0x160]
push ecx
mov ecx, edi
call fcn.004dfab0
mov edx, dword [eax + 0x164]
mov eax, dword [0x627b18]
push edx
push eax
lea ecx, [esp + 0x60]
push 0x61aa30
push ecx
call sub.mfc42u.dll_CString::Format_1
mov edx, dword [esp + 0x68]
add esp, 0x14
push edx
call dword [sym.imp.kernel32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x43df3f
mov ecx, dword [esp + 0x54]
lea eax, [esp + 0x1c]
push eax
push 0
push ecx
call dword [sym.imp.kernel32.dll_GetFileAttributesExW]
mov ecx, edi
call fcn.004dfab0
add eax, 0x160
lea edx, [esp + 0x20]
push eax
push edx
call dword [sym.imp.kernel32.dll_CompareFileTime]
test eax, eax
jle 0x43df3f
mov eax, dword [esp + 0x54]
mov ecx, esi
push eax
call fcn.00408400
lea ecx, [esp + 0x54]
mov byte [esp + 0x48], 0
call sub.mfc42u.dll_CString::CString
lea ecx, [esp + 0x14]
mov dword [esp + 0x48], 0xffffffff
call sub.mfc42u.dll_CString::CString
mov al, 1
mov ecx, dword [esp + 0x40]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x3c
ret 8