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'Good' worm hits computers

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'Good' worm hits computers

New worm tries to repair damage done by Blaster, but experts say it is still a threat.

August 19, 2003: 11:07 AM EDT

SAN FRANCISCO (Reuters) - A new computer worm is spreading worldwide through a security hole in Windows - also used by last week's Blaster worm -- but then patching the hole instead of crashing the system like Blaster does, security experts said on Monday.

The new so-called good worm, dubbed "Welchia" or "Nachi," is similar to Blaster, but it purports to patch the hole Blaster exploited to enter into computers in the first place and tries to clean up after Blaster if the computer is infected with it.

Despite the apparently good intentions of the new worm, spreading "good" worms is a very bad idea, said Jimmy Kuo, research fellow at anti-virus vendor Network Associates Inc. (NET: Research, Estimates)

user posted image View: Full Article | Source: CNN

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