Avast Web Shield continuously tests information moving on the internet and stops any possible infections in real time. It protects you from ransomware that locks your files and requires payment to unlock them. It also you can try this out shields you from Trojans that pretend to be legitimate software, but infect your device with malware. Web shield also detects sites that are phishing that try to steal your personal data.

Avira has a variety of settings you can alter to modify the way avast's web shield operates. For instance you can alter the sensitivity level, which determines how avast Web Shield scans data that is transferred when you connect to the internet. You can also enable or disable HTTPS scanning as well as script scanning. You can also stop botnet attacks. You can also create an exclusion list to prevent certain programs being detected by web shield.

If avast detects malware, or an unwanted program on your computer, it will try to fix the file first. If the file cannot be repaired the file will be moved to Quarantine. You will also receive a notification. You can also define a default action the antivirus will perform whenever a threat is detected.

If a website or app which you have verified to be safe is blocked by avast You can add it to the exceptions list to ensure that it is never blocked again. This can be done by clicking on the Real-Time Shields tab and then selecting the Web Shield (or File Shield) item from the list. The method for adding a site or app to the list of exceptions differs slightly for the Avast Security and Avast One apps.