A Trojan that lowers the security and privacy settings of Internet Explorer 6 or above is used to ease other malware into stealing potentially sensitive information from the vulnerable machines. Another Javascript based exploiter that tries to exploit a flaw in Real Player exploits a buffer overflow in PPlayer.XPPlayer.1 ActiveX ActiveX. A Trojan used to steal the login credentials of a popular MMORPG game called Legend. The first time it isexecuted the malware is executed it creates specific specific registry keys to be executed.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/clearing-the-way/