DBAN wasn't intended to be a protective prog. It was meant as a "disk wiper" or HD cleaner, preparing a HD for re-use. It does totally format a HD or wipe it clean. However, it may not entirely get at the so-called maintenance area of the HD which is intended to IDent the HD itself, like a SATA, 500gb and maker specs, in other words, build-in specs. However, many malware or virus hardly attach there but use the data area that the HD typically uses that's available. IMHO, it can recover a HD for use if so much malware/virus is found and problematic in recovery, then as last resort completely clean the HD for re-use. Thus, it may appear to be a virus protection but more of an after-effect of throwing everything out, regardless because of low-level reformatting. It should be a step considered if everything else fails to correct the problem, and forget about saving dat, it maybe already too late. That's because wwhat you may save could included infected data as well and repeat past issues.