Friendster users have been getting a lot of invitations about viewing a fake video. This video is supposedly from their contacts. The article at F-Secure includes a screen shot of what the invite looks like.

Users will be redirected to a fake file if they decide to click on the link in the invitation page. The site will prompt the user to update their video player. The explanation is that so they will be able to view the video. The update is named setup.exe and it is detected as net.worm.win32.koobface.dd. This specific worm spreads on social networking sites according to the post at F-Secure.

The author of the article reminds that users should change their passwords regulary.

Source: F-Secure