Using an antivirus USB bootable is relatively straightforward:

Windows-only users who trust Microsoft.

❌ – only for cleaning, not prevention. ❌ Requires boot configuration changes – may be blocked by BIOS passwords or Secure Boot. ❌ Some modern drives encrypted (BitLocker, LUKS) – cannot be scanned without decryption key. ❌ Outdated definitions – if USB is not updated regularly, new malware may be missed. ❌ Potential false positives – may flag legitimate boot files as threats.

Best USB Bootable Antiviruses: Remove Malware in 2026 - WizCase

: If a virus has damaged your boot files, this tool can often clean the infection so you can regain access to your PC.

: A Linux-based environment that updates virus definitions automatically if an internet connection is available. AVG Rescue CD