W32.Morto.B
http://www.symantec.com/connect/blogs/w ... ts-arsenal
http://www.symantec.com/connect/blogs/w ... ts-arsenal
W32.Morto first surfaced in August 2011 causing a stir when it targeted weak passwords on Remote Desktop Protocol Connections in order to propagate across networks. W32.Morto.B, the new variant, now has the ability to infect executable files on a compromised computer.