Benchmark the safety of your USB drive (Pen drive, Memory card, External drive, Digi-Camera, Mobile phone). Detect and remove suspicious files found in autorun.inf. Auto install protection when new USB drive was inserted, then it has antibody and eliminates the USB flash virus. Autorun.inf is unmodifiable and cannot be deleted. Prevent unknown and known viruses from your USB Flash. It needn't execute any file and needn't update definition anymore.