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April's top 10

Viruses show no signs of slowing

The infamous Klez worm has retained the top spot in security firm Sophos' most frequently occurring viruses table for the 15th month in a row, while 475 new viruses were discovered in April.

Two old favourites also reared their heads again — Lovegate-E and Funlove — spreading concern that individuals and companies are not keeping their antivirus software and firewalls up to date.

"It's no good installing the software if it's not maintained," said a company spokesman.

A new virus Datemake Dialler also made its way into the top 10. The malware, known as a Dialler, is programmed to dial a premium rate telephone line, typically with the intent of gaining access to adult material.

"Businesses should apply strict computing guidelines to avoid getting stung by a huge telephone bill and embarrassed by these seedy programs," said Graham Cluley, senior technology consultant at Sophos.

Top viruses were:

1. W32/Klez-H 12.7% of complaints.
2. W32/Lovgate-E 4.9%
3. W32/Bugbear-A 4.3%
4. W32/Sobig-A 3.3%
5=. W32/ElKern-C 2.9%
5=. W32/Yaha-E 2.9%
5=. W32/Yaha-K 2.9%
8. JS/NoClose 2.1%
9. W32/Flcss 1.9%
10. Dial/Datemake-A 1.6%


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