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Bluvertigo
12-01-2005, 04:38 PM
Security provider Sophos has revealed the top ten viruses affecting PCs around the world during the month of November 2005.

The report, compiled from Sophos' global network of monitoring stations, reveals that, despite being detected very late in the month, the Sober-Z worm has stormed to the top of the charts, and at its peak accounted for one in every 13 emails sent. The proliferation of Sober-Z has caused Netsky-P, the worm written by convicted German teenager Sven Jaschan, to fall to second position after dominating the number one spot for the past four months.

The top ten viruses in November were Sober-Z - 42.9 per cent, Netsky-P - 8.1 per cent, Mytob-GH - 6.8 per cent, Mytob-EX - 4.5 per cent, Zafi-D - 4.0 per cent, Mytob-BE - 2.3 per cent, Zafi-B - 2.1 per cent, Mytob-AS - 1.6 per cent, Netsky-D - 1.2 per cent, Mytob-C - 1.1 per cent while others viruses accounted for 25.4 per cent of all.

The new Sober-Z worm, which currently accounts for a massive 42.9 per cent of all viruses reported to Sophos, sends itself as an email attachment and attempts to turn off security software on the user's computer. Once the attached file is run, the worm scans the user's hard drive for email addresses, in its search for other computers to infect. The author of this worm has been operating anonymously for more than two years, and this latest threat is the cyber criminal's most widespread virus yet.

Full Article:
http://www.techtree.com/techtree/jsp/article.jsp?article_id=69482&cat_id=582

Source: Techtree News