Norton AntiVirus Basic covers a single PC. Auto-scan of apps on Google Play is supported on Android 4.0 or later, except for Samsung devices. Samsung devices running Android 4.2 or later are supported. For earlier versions of Android, the Google Play “Share” function must be used to. Protect your Windows XP PC with Avast Free Antivirus. Avast Free Antivirus still protects Windows XP owners with regular virus definition updates. AV Comparatives called Avast 'the antivirus with the lowest impact on PC performance.'
Besides phishing sites, the majority of attacks from the Internet take place via drive-by infections. Primed websites first spy on the computer’s configuration for attackable applications, such as add-ons in your browser. If a suitable hole is discovered, a matching exploit is sent to the computer. As with personalised advertising, this is precisely tailored. The malicious code exploits the security hole so it can download and execute additional malware in the future – ransomware or banking Trojans, for example.