When an anti-virus runs on a system that is being used, it cannot scan the running files or leaves some files from scan. In order to enable protection for such files Kaspersky Rescue Disk can be proved very effective as it runs when system is being boot. It is a very efficient tool against harmful malware and can keep your system secured from serious infections. Although it requires a little bit more work than the normal anti-virus software, but it provides better results than them.
Kaspersky Rescue Disk