title: Much ado about nothing: Win32.Perrun
abstract: JPEG files do not contain any executable code and it is impossible to infect such files. The author takes a look at the details surrounding the Win32.Perrun virus and make clear exactly what it does. The main virus feature is its ability to affect JPEG image files (compressed graphic images) and to spread via affected JPEG files. The virus affects, or modifies, or alters JPEG files but does not "infect" them
keyphrases: Win32.Perrun JPEG files virus compressed graphic images