The email also controls which email addresses it spreads to, avoiding most webmail addresses and also any others which may report to antivirus or filtering companies, apparently a crude attempt to avoid detection.
The Sobig virus deluging users' inboxes again this week is the largest epidemic of a mass-mailing worm to date, according to figures from anti-virus firms. The Sobig.F virus spreads by harvesting emails from web pages and from the address book of...
But the risk of deadly viruses increases the minute you reduce your awareness," he warned. We have seen viruses with a Christmas theme over the past few years, for instance, viruses disguised as Christmas screen savers," he said.
That's a function of how the worm spreads, said Craig Schmugar, a virus researcher at McAfee. Several worms open back doors and harvest email addresses. Security experts said the new variants first surfaced in Europe and spread quickly, thanks to...
Christmas spirit spreads viruses
http://www.silicon.com/a49705 The worm appeared on 4 December and quickly spread until it was inside one in every 30 emails. Top 10 viruses: Nimda takes top slot
http://www.silicon.com/a49646
Unlike the more common mass-mailing email viruses, an internet worm like MSBlast spreads automatically, by exploiting weaknesses in computers that are connected to the internet. Vincent Gullotto, vice president of Network Associates' antivirus...