USB drive is known as the highest potential through which computer viruses and worms spread among Windows users. The default configuration which is called AutoPlay in Windows contributing to virus infections by allowing them to spread unchecked. This weak point is being manipulated by virus and worm makers to spread their virus fast even during offline. This Virus Checker, specially designed to overcome this problem. Unlike an antivirus program, this application is designed to prevent any virus or worm from spreading into your personal computer via the USB drive.