IBM said Tuesday that several thousand of its Aptiva PCs were exposed to the CIH virus during the manufacturing process due to human error.
The virus was introduced to the Aptivas through test diskettes, and wasn’t detected because the anti-virus software on the server used to duplicate software had not been updated, a spokeswoman said.
The CIH virus is spread from one PC to another when an executable file is transferred, and can render an infected PC inoperable when the date on the PC’s internal calendar reads April 26 of any year.
Aptiva PCs with model numbers 240, 301, 520 and 580, manufactured between March 5 and March 17, 1999, and sold in the United States, may have been exposed to the virus. The affected computers have one of the following codes after “MFG DATE”: AM909, AM910 or AM911.
All potentially affected customers will automatically receive an IBM Antivirus Update CD, if their registration is current.
Retailers have also been contacted to ensure that Aptivas in stores are free of the virus.
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