Just one day after Bagle.B Anti-virus companies warn of a new e-mail worm spreading over the Internet. Once it enters the machine, it tries to disable the antivirus engine, steal your e-mail address and copy itself to the shared network folders.
NetSky.B, also known as Moodown.B, distributes through e-mail and shared folders in Kazaa, BearShare, LimeWire, and some other peer-to-peer networks. Like the previous version, the virus appeared in e-mails with about 50 titles created like "something for you," "hello," or "fake." TruSecure, a security firm, said in a zip attachment that there are also "unconfirmed" names such as "document" "stuff" or "party," most commonly file files. .exe, .scr or .pif extension.
Network Associates reports about 40 to 50 copies of the virus each day from both the source and the e-mails generated by the worm itself. Most of these copies seem to originate from the Netherlands and somewhere in Europe.
Symantec rated the virus as "moderate" because it only dispersed, and no indication of attack. F-srecure (Finland) said the sudden arrival of virus messages over the past few days may be a sign of alarm over a new wave of e-mail destructive programs.
Many versions of anti-virus software have been released and customers are urged to upgrade quickly.
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Phan Khuong (follow InfoWorld, CNet
