Mytob and Bagle variants have begun circulating on the Internet, and as always, regular updates of your antivirus package will be your best starting point.
Mass mailers Bagle and Mytob have been appearing on the radar of several security companies. Bagle, which has been floating around for about 18 months, brought forth three new variants at one hour intervals, according to a CNET News report.
According to MessageLabs, the Bagles have their origins in a Yahoo group. A Zip archive that is unpacked in its message will try to download a Trojan from one of several web sites. The Trojan begins the usual mass mailing and also attempts to install a backdoor on the PC.
Mytob installs a backdoor and does the mass mailing with its included email engine. Upon infecting a machine, it gathers email addresses and then, yep, you guessed it, mails itself to every email address it can.
Both viruses are seen as low risk to users who take the time to keep their antivirus software updated properly.
David Utter is a staff writer for WebProNews covering technology and business. Email him here.
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