An ingenious social-engineering scam targets active MSN & YIM users. Stolen account credentials can be used in various illegal actions, such as money grabbing scams, spam attacks, or impersonations. Users are redirected to an advertisement page that provides a wide assortment of offers such as free on-line movies, surveys and games. The games actually turn out to be sex chat rooms and none of these items are free. The schemes authors have taken extra precautions and blocked access to the webpage by blacklisting the IP ranges associated with the BitDefender labs.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/instant-messenger-phishing-made-simple/