BAT.Winstart

This is a really dangerous trojan, which changes Windows settings by modifying WINSTART.BAT. This action is already a real threat to the stability of the infected computer. What is more, this trojan is memory-resident - this allows this spyware to perform a wide variety of destructive actions in any time. To sum everything up, this trojan is a really dangerous pest, which can cause lots of problems to the user, who has no up-to-date security installed on the PC.