Twitter warns users of Koobface worm

Koobface, the worm which has previously troubled social networking sites such as Facebook, MySpace, hi5, Bebo and Friendster, appears to now be making itself comfortable on micro-blogging website Twitter.

A warning from Twitter has been posted on the site’s blog, warning users that their accounts may be suspended if it is believed that their PCs have been compromised by the worm.

Warning about Koobface from Twitter

Dangerous messages that have been seen include:

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My home video :)
Watch my new private video! LOL :)

and exhibiting some topicality (albeit combined with rather poor grammar):

michaeljackson’ testament on youtube

Compromised Twitter accounts posting links

Obviously, we do not recommend clicking on the links, and you should know by now that virus writers have frequently disguised their malware behind video disguises.


Graham Cluley is an award-winning keynote speaker who has given presentations around the world about cybersecurity, hackers, and online privacy. A veteran of the computer security industry since the early 1990s, he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows, makes regular media appearances, and hosts the popular "Smashing Security" podcast. Follow him on LinkedIn, Bluesky and Mastodon, or drop him an email.

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