是木馬的一種沒錯啊…

　　主要是用來收集你到過那些網站，然後收集完再回報的木馬…

小K對這種病毒的解釋(只有英文版
http://www.viruslist.com/en/viruses...apter=152540521

Trojan Downloaders
This family of Trojans downloads and installs new malware or adware on the victim machine. The downloader then either launches the new malware or registers it to enable autorun according to the local operating system requirements. All of this is done without the knowledge or consent of the user.

The names and locations of malware to be downloaded are either coded into the Trojan or downloaded from a specified website or other Internet location.