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Feared Attack From Computer Virus Fizzles

3:06 AM, Aug 23, 2003   |    comments
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NEW YORK (AP) -- A feared Internet attack resulting from a fast-spreading computer virus fizzled Friday. Security experts said they contained the virus by identifying and blocking computers key to coordinating it. Instructions written into the latest version of the "Sobig" virus, which has caused enormous headaches since it began appearing Tuesday, called for infected Windows machines to try to download a program that, until the attack began at 3 p.m. EDT Friday, had an unknown function. Experts feared the program could have deleted files, stolen passwords or created rogue e-mail servers for spreading junk e-mail. But when the appointed time came, all the virus did was visit a pornography site, said Vincent Weafer, security director with Symantec Security Response. "There is nothing malicious, just a standard sex site," he said. Also Friday, Easynews.com, a Phoenix provider of newsgroup services, said it was complying with an FBI subpoena for information on an account used to distribute the virus. Easynews said the account appeared to have been created with a stolen credit card. FBI spokesman Paul Bresson declined comment, saying only that the agency was investigating. The attack began with the virus attempting to reach one of 20 computers, mostly in the United States and Canada, to obtain information key to continuing. Infected computers were programmed to keep trying every Friday and Sunday between 3 p.m. and 6 p.m. EDT. Antivirus experts identified those computers and persuaded their Internet service providers to shut access to some of them. "There's a potential risk for Sunday, but I think it's really mitigated," said Chris Rouland, vice president for research and development at Internet Security Systems Inc. "All the network operators are aware they need to block these (Internet addresses) now." The attempted attack also created higher-than-normal Internet traffic that was "measurable" but not enough to congest the Net, he said. Mikko Hypponen, manager of antivirus research with F-Secure Corp. in Finland, said users should clean their computers using antivirus software - antivirus companies have issued free tools to do so - or turn off machines if they cannot run the disinfecting software. Users with firewall programs can also block UDP port 8998, which is the Internet opening the virus uses to communicate with the outside world. Experts say that doing so should have at most minor interference with other Internet functions and that many service providers were already blocking the port for their customers. Already, Sobig has resulted in e-mail disruptions at several businesses, universities and other institutions. Sobig did not damage computers, files or critical data, but it tied up computer and networking resources. Users get the Sobig virus when they click on attachments to e-mail carrying such subject lines as "Details," "Approved" and "Thank you!" One e-mail company, MessageLabs Inc., has declared it the fastest e-mail infection ever. Symantec reported the spread as "steady" Friday. The Sobig outbreak came just one week after a virus known as "LovSan" and "Blaster" took advantage of a flaw in the Windows operating system to clog computer networks around the world. The "Blaster" outbreak has started to subside, experts said. Related article: - Spread of E-Mail Virus Is Fastest Ever

Associated Press

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