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4 January 2001

Top ten viruses reported to Sophos in December 2000

This is the latest in a series of monthly charts counting down the ten most frequently occurring viruses as compiled by Sophos, a world leader in corporate anti-virus protection.

For December 2000, the chart is as follows, with the most frequently occurring virus at number one:

Position Last
month
Malware Percentage of reports
11W32/Apology-B
   18.3%
2NewW32/Prolin
   16.1%
3NewW32/Hybris-B
   8.7%
42=W32/Navidad
   7.6%
52=VBS/Kakworm
   5.3%
6NewW32/Verona-B
   4.0%
7NewTroj/JetHome
   3.0%
85VBS/LoveLet-AS
   2.5%
9=NewW32/Bymer-A
   1.9%
9=NewW32/Hybris-C
   1.9%
Others30.7%

"Despite warnings, users received some unwelcome Christmas presents in the form of new viruses such as Hybris-B, Prolin and Navidad," said Graham Cluley, senior technology consultant at Sophos Anti-Virus. "Viruses such as these are increasingly using psychology to tempt users to open attachments and everyone's New Year resolution should be to do a double-take before they double-click."

More information about W32/Apology-B.

Compiled by Sophos's technical support team, the top ten chart is collated from calls to Sophos's 24 hour, 365 days a year technical support line.

Graphics of the above Top Ten chart are available here.

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About Sophos

Sophos enables enterprises all over the world to secure and control their IT infrastructure. Sophos's network access control, endpoint, web and email solutions simplify security to provide integrated defenses against malware, spyware, intrusions, unwanted applications, spam, policy abuse, data leakage and compliance drift. With over 20 years of experience, Sophos protects over 100 million users in nearly 150 countries with its reliably engineered security solutions and services. Recognized for its high level of customer satisfaction and powerful yet easy-to-use solutions, Sophos has received many industry awards, as well as positive reviews and certifications.

Sophos is headquartered in Boston, US and Oxford, UK. More information is available at www.sophos.com