The Sober worm which caused a big headache for some firms at the end of October returned this morning. W32.Sober.B@mm is virtually identical to its predecessor and has been rated at a low to medium risk. However the opportunity remains for major email problems if sysadmins aren’t prepared. The worm, released from Germany and only affecting Windows OSes, relies on classic user stupidity. While Sober.A pretended to come from an anti-virus company, this one’s header concerns either George Bush or hacking: “George W. Bush plans new war”; “Have you been hacked?” and similar. An attachment with a variety of names from “yourlist” to “gwbush-new-wars” and a .com, .cmd, .exe or .pif file extension, if clicked, will install the worm on the computer. It also installs its own SMTP engine and starts emailing itself to every email address it can find on the computer. Full Story
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