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For example, external hard drives, USB flash drives, CDs, and DVDs.
USB/DVD Scan: scans any removable storage devices that are currently connected to your PC. To enable the scan to run quickly, the scan only analyzes potentially risky file types. Quick scan: scans the main drive of your PC where system files are stored, auto-start programs, and all known types of rootkits. Full Virus Scan: a predefined, in-depth scan of your system that checks your storage drives and memory for malware (including rootkits). Smart Scan: a comprehensive scan that detects malware, out-of-date software, browser add-ons with poor reputations, network threats, performance issues, and passwords that are weak, duplicated, or compromised. In addition to Antivirus shields, Avast Antivirus includes the following scans: Refer to the following sections for details about Antivirus scans: You can also create your own scan with parameters specified by you. Avast Antivirus provides a range of scans to protect your PC from malware.