As the world waited for one computer virus to strike on Friday, another wriggled its way into the Russian stock exchange and knocked it offline. Computer experts had warned that 3 February could bring gloom for many as a computer virus called Nyxem was scheduled to start deleting files on machines it had infected. Nyxem is programmed to randomly delete Word, Excel and PowerPoint documents as well as pdf files, zip files and several other file types. The virus was released several weeks ago and has spread by forwarding itself to email addresses found on the computers it infects.
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