You may have seen news articles about the ‘Koobface’ worm, a malicious piece of software which has been targeting various social networking sites, such as Facebook and Twitter, and which can also send unsolicited messages to your Skype contacts.
To avoid becoming infected, please take a look at our security recommendations – in short, make sure you don’t click links or open files from people you don’t trust, stay current on patches and updates for your computer and use an up-to-date anti-virus program and personal firewall.
You might also find our advice on how to keep your computer secure useful.
You cannot be infected by this trojan simply by using Skype or social networking sites. In order for it to infect your computer, you would have to run the malicious software. Again, make sure you don’t click links or open files from people you don’t trust.