First discovered in July 2010, the Stuxnet worm is widespread in Iran. Stuxnet is considered a sophisticated worm that is designed to disrupt or disable power grids and industrial facilities.

All Conficker Worms are considered severe and each has the ability to disable important services on your computer. The worm might spread through file sharing and via removable drives. USB drives are especially susceptible. Shared computers with weak passwords are susceptible as well as computers without the latest security updates and computers with open shares.

A large number of tools for worm removal that are available on the Internet are also free. But with all software downloads there are dangers, so you should always check to make sure the worm remover tool is from a trusted source.