Trojans are malicious applications that pose themselves as legitimate software in order to trick users to install them. Once on the victim's machine, it may run any number of malicious process to steal vital information or inflict damage to other software.
Official
Description:
The DSK Trojan has the ability to: window control, Victim Chat, Remote process control, fake message boxes, registry editor, remote file manager (Upload/Download/Exec/Delete, ect) and remote web downloader,remote file search, static IP Notify also makes it \'LAN Bypassable\', upload/download queing system makes downloading many files very easy to manage.