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Sober worm makes a comeback
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Sophos says the mass-mailing worm accounted for 5.4 percent of all e-mail the company saw over the weekend and 84 percent of virus activity. That represents an increase compared with Friday, when Sophos said the worm accounted for 4.65 percent of all e-mail and 77 percent of virus activity.
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"The strange thing is that we're actually seeing more reports than ever," said Graham Cluley, senior technology consultant at Sophos. "It's increased, and it's even worse than last week. We don't know how many people are infected, but those infected are just spewing these e-mails out."
Cluley said the second most prevalent e-mail threat, the Netsky.P virus, accounted for 0.3 percent of all such threats, and the Zafi.D worm, the third most common, accounted for just 0.08 percent. "Those have been big viruses but have been dwarfed by the Sober worm," he said.
Last week, Sophos said the worm turned off Symantec's antivirus protection and Microsoft's Windows XP firewall on infected machines.
Sober.P--which security companies have variously tagged as Sober.N, Sober.O and Sober.S--travels as an attachment in e-mails written in English and German. One of the most widely reported e-mails contains an alluring message stating that the recipient has won free tickets to the 2006 World Cup in Germany, but many other types have also been spotted. Once opened, the virus sends itself to e-mail addresses harvested from the newly infected machine.
Dan Ilett of ZDNet UK reported from London.
See more CNET content tagged:
Sober worm, Sophos Plc., Graham Cluley, worm, e-mail




Will Microsoft ever be serious about security? I know the user is to
blame too.... but Microsoft's competitors don't have this
problem...and it has little to do with "security through
obscurity"...they are just more secure.
If you are logged on as limited user, neither you nor software you may unknowingly launch, can change any vital system settings, nor install software. Malware won't be able to get a hold.
- Sober Worm - not infected but a victim
- by amorris--2008 May 9, 2005 4:16 PM PDT
- I do not have the Sober virus on my computer but am getting 25 emails per hour from someone who has the sober virus on their system. How can I end this bombardment of emails? How can I identify who is sending them to me to get them to disinfect their system?
- Reply to this comment
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- You can't
- by Andrew J Glina May 9, 2005 6:40 PM PDT
- The EMail addresses are almost always wrong.
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- A possibility....
- by cbiltcliffe May 10, 2005 8:11 AM PDT
- Sometimes you can view the full email headers and follow the path through the "Received:" headers. This may give you a clue as to the ISP of the computer involved, which, if it's someone you know, could lead to who it is. But it's not necessarily someone you know...just someone who has your email address for whatever reason.
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