Sober worm is back

If the attached "Zip file" is run, the worm will scour an infected user's hard drive for other email addresses, in its hunt for fresh victims. Standard defensive precautions apply: avoid opening unsolicited attachments, even when they appear to come from people you trust; update AV tools to detect the worm. If you think your PCs might be infected by Sobber or another virus then our guide to cleaning up PCs may come in handy.