A new virus can, for the first time, infect image files, according to antivirus software company McAfee.com Corp., a division of Santa Clara, Calif.-based Network Associates Inc. That means the virus could be spread through Web sites containing infected image files and force antivirus companies to re-engineer their products, McAfee officials said.
http://www.computerworld.com/securitytopics/security/virus/story/0,10801,71968,00.html