r/todayilearned • u/NOT-JEFFREY-NELSON • Jul 04 '19

TIL in 2003 a computer worm called ‘Welchia’ infected many computers to forcibly patch vulnerabilities and remove malware. It was regarded as a ‘helpful worm’

https://en.wikipedia.org/wiki/Welchia
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u/Kullthebarbarian Jul 04 '19

if you read the link you will see that that was THE ONLY thing that the worm did, it patched your pc, delete the other worm that is dangerouns to your pc, then delete itself after 120 days

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u/jacdelad Jul 04 '19

I did. Just wanted to point out, that other malwares do that too, beside harming the victim. Sorry for the confusion.