Worm is known as a self-replicating computer program that can spread itself without any human intervention.Worm.BAT.Autorun.ex is one of this worms, it needn’t to hide on a program to spread. Once there is file sharing network or the network share is not unprotected.This worm detects false infections and displays numerous fake security warnings in order to scare computer users into believing that their computers are infected with a lot of malware.It will take advantage of these situations and infect the remote computers. Besides, worm usual spread via e-mail attachments or instant messages. It can install itself silently without any consent. Once installed, it will corrupt file and applications, steal user privacy data, modify system settings or drop backdoors to the system.It runs in the background and automatically at every time Windows boots.Before this virus screw up your computer and steal your confidential information, you’d better remove Worm.BAT.Autorun.ex as soon as possible.