A lot of antivirus programs provide an option to scan for boot issues. This is an extremely powerful tool that can eliminate malware that can’t be removed with normal methods. This kind of virus is able to hide in the boot sector or even encrypt files. It is generally more difficult to remove than a runtime scan. It is imperative to use an anti-virus program that can conduct an analysis of the boot sector as this type is not only difficult to identify, but can also be extremely harmful.
Avast’s Boot Scan is an effective way of checking for hidden threats. It is able to detect threats that are typically missed by runtime scans and remove them without disrupting Windows operating. However, it could take a long time to complete the scan because it has to look through the entire system’s files. It is recommended, therefore, to disable non-essential applications at startup and disconnect any external storage devices. This will let the program focus on internal files. You can also schedule the scan to run at a time when you aren’t using your computer.
You’ll first need to open Avast and then go to the Settings menu. Once you are in the settings menu, you can select the Protection tab and then select the Boot-Time Scan tile. You can select whether you would like to run a full or a short scan, add new definitions and set up what happens when a threat is discovered.
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