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.
This Trojan spy program steals user details for electronic payment systems. The Trojan then extracts a .dll file of 6144 bytes, called HookerDll.Dll to the Windows directory. This file intercepts data entered via the keyboard. The program then creates a file named krk.txt in the Windows directory and copies all data entered via the keyboard to this file.