It goes without saying that the attack against Skype users was carried out by a well-organized cyber crime gang. It seems that this group continuously registers new domains and shuts down the old ones daily, trying to keep malware researchers away from the malware samples they push to victims. Although no more malicious ads were spotted in the next few days, we recommend you to be careful and stay away from any suspicious ads that might appear on Skype. Make sure your anti-malware software is running, and if you want to be aware of tricks scammers use to attack Skype users, read this article about Skype viruses. Recently, a big number of users complained about a suspicious virus that hijacks their accounts and arbitrarily sends out odd baidu.com hyperlinks to all contacts.