Free Antivirus for USB Flash Drive

As wen know that almost virus, trojan, worms etc is spreaded from USB Flash drive. This is including Memory card, SD, MicroSD, MMC etc. To anticipate this happend, we can just turn off Autorun facilities from windows by editing the registry, but sometimes this is not easy task, and you just try the onother way. Beside the common antivirus, there is another antivirus that is designed for USB Flash drive and other media based on USB. And its completely free, [...]