SKYPE USERS UNDER ATTACK
You will receive an instant message containing a link from someone (either known or unknown). The link contain a photo file. When clicked, window will ask you whether to save / run the file. Its a virus file. If you are infected with this virus, your pc will automatically repeat the same process of auto sending an instant message containing the same link to someone else.
Just imagine it. Skype a popular instant message use by millions. It will be a great medium for viruses to spread across the globe, if we as a user, are not careful enough.