Cyberwar: Defying Experts, Rogue Computer Code Still Lurks - A rogue program, known as Conficker, has confounded the efforts of security experts to trace its origins and purpose.
The article indicates that many computers are infected with virus that would prompt a message and urge the users to purchase and download fake antivirus. Instead of cleaning up the machine, the machine would become one of the many botnets, as it quotes in the article: " . . . Researchers speculate that the computer could be employed to generate vast amounts of spam; it could steal information like passwords and logins by capturing keystrokes on infected computers; it could deliver fake antivirus warnings to trick naïve users into believing their computers are infected and persuading them to pay by credit card to have the infection removed. . . . "