Twitter is warning members that the Koobface worm is on the loose in the Twitterverse, and that the social network is temporarily suspending any accounts it discovers spreading the worm.
In a blog post last night, Twitter said some Twitter users' PCs were infected with a variant of Koobface, which sends phony tweets when the infected user logs onto his or her Twitter account.
"We are currently suspending all accounts that we detect sending such bogus tweets. If we suspend your account, we will send you an email notifying you of the suspension. This email also includes tips for removing the malware from your PC," the Twitter blog said.
As in previous attacks on other social networking sites, the worm's mode of infection is a phony video link that, when clicked, infects the user with the worm. Among the Koobface tweets are messages similar to ones Koobface used on Facebook -- "My home video," "Watch my new private video! LOL :)" and some links purportedly to Michael Jackson video clips, according to Graham Cluley, senior technology consultant for Sophos. Cluley blogged about the attacks today.
Koobface has been used to target users on Facebook, MySpace, and other social networking sites during the past year, spreading via an infected member's profile to his friends' profiles.
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