Most computer virus creators are not original. As with Hollywood film executives they go with what works and then make a sequel.

One of the recent variations of the Yaha virus illustrates this practice. Win32.Yaha.K is the eleventh instalment of the virus series originally found in the wild in February 2002, and is by no means the last.

In just the past few weeks, the antivirus community has identified two more: Yaha.L and Yaha.M.

The existence of more than 10 sequels to Yaha should not excessively worry web users, especially when you consider that antivirus researchers have tracked more then 30 variants of the infamous 'Iloveyou' virus since the first outbreak back in May 2000.

What is more alarming is the continued similarity in the characteristics of Yaha (and most other current virus threats) to previous attacks, and the fact that too many computer users continue to fall victim to it.

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