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Boot scans, also known as shoe scans, or pre-boot virus scans, are sophisticated tools that antimalware software uses to remove malware that has not been detected by conventional scanning software. This type scan can be scheduled to be scheduled to run automatically at regular intervals or manually by the user if they suspect that their computer is infected. Many antivirus programs allow users to select the sensitivity level of the boot scan, and what actions should be taken in the event that a threat is discovered.
The reason why a boot scan is so effective is because it allows the antimalware program detect files that are being used by the operating system. These files aren’t capable of being deleted since they are continuously accessed by the OS. They will return an Access Denied message when you attempt to remove them. The boot scan will locate these files and permit the antivirus program to remove them before the OS can start using them.
The duration of the process of a boot scan is dependent in accordance with a variety variables, such as the speed of the CPU, the number of system files are being scanned and whether or not the device is running during the process of scanning (thus changing the status of these files). However, it is very typical for this type of scan to take considerably longer than an ordinary antivirus scan because of the extensive nature of the process.