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 is a Chinese trojan that copies 3 files to the victim's PC in order to post sensitive data back to the attacker. It does this by creating 2 hidden windows on the victim's PC. Filenames are randomly generated and hidden in the C:\Windows\fonts directory.