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30 November 2000

Stop bugging me!

Love Bug beaten to number one spot by Kakworm in Sophos Anti-Virus top ten of the year so far

A report published by Sophos Anti-Virus, the world's leading developer of corporate virus protection, reveals that the viruses with the most attention are not necessarily the most common. Love Bug, which made front-page news across the world in May 2000, was beaten to the number one spot in Sophos's annual top ten chart by Kakworm.

Kakworm topped Sophos's virus top ten for the year accounting for 17% of all calls made to Sophos's help desk. The virus, which first appeared in January 2000, has never dropped out of the top three most common viruses in Sophos's monthly top tens. Microsoft issued a security patch against the exploit used by Kakworm in 1999, yet, despite repeated warnings from anti-virus firms, many users have not downloaded it.

"Love Bug was a shooting star - lots of action and noise and fury for a relatively short time." said Graham Cluley, senior technology consultant at Sophos Anti-Virus. "Meanwhile, Kakworm has crept stealthily to the top of the charts."

The annual top ten also reveals that only 6% of the viruses circulating in the wild are script viruses, yet these account for over one third of all infections.

One latecomer stormed into the top ten for the year. Navidad started to spread at the beginning of November yet managed to enter the chart at number 7 in just a few weeks. The virus masquerades as a Christmas card, playing on the seasonal lapse in caution.

Other developments in 2000 included:

Top Ten 2000 figures in full:

Position Malware Percentage of reports
1VBS/Kakworm
   17.0%
2VBS/LoveLet
   14.5%
3W32/Apology-B
   8.9%
4WM97/Marker-A
   6.5%
5W32/Pretty
   5.6%
6VBS/Stages-A
   3.5%
7W32/Navidad
   3.4%
8W32/Ska-Happy99
   2.3%
9WM97/Thus
   2.1%
10XM97/Jini
   2.0%
Others34.2%

Graphics of the above Top Ten chart are available here.

  • USA number 1 for malware and spam
  • Huge surge in email attachment attacks
  • Scareware makes users buy bogus products

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