We have just received a letter from Virgin Media Internet Security saying "A device using your internet connection may be infected with malware" and "We've been notified that spam emails are coming from a device using your internet connection".
We have five devices in the house that are currently connected to our Virgin Wifi router.
These are ones that are a Windows 10 PC, two Windows 10 laptops, an iPad and an iPhone. The iPad and iPhone do not have anti-virus. I am given to understand that they don't need it. The Windows 10 machines have up to date anti-virus installed. Scans show no sign of infection.
The letter says that "if you don't get this fixed "we may need to suspend or cancel your your broadband service".
Apart from running anti-virus scans I don't know what we can do to fix this. I am terrified that we will lose our internet connection. How long have we got to sort this out before we do lose it? I have found an article on these forums called "Searching for Spambots on your network" but the procedure it outlines is way to technical for us.
Multiple different virus scans on our three windows 10 PC's found nothing. But..
My research found that Our Amazon TV firestick could be hacked ("disturbingly simple" to do apparently).
My Father had previously "jailbroke" our firestick to get free (Kodi?) television. This leaves the firestick vulnerable to hacking and has been implicated in Spambot problems. The solution is simple and can be found with an on-line search. It involves disabling something called "ADB debugging", which is found in "Developer Options" from "Settings".
Should we now reply to the Virgin Media Internet Security letter with this info? (My father thinks we should, I don't).
How do we find out if we have solved the problem? Do we just wait and see if our Internet is turned off or not?