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.
Backdoor.Lara is a IRC backdoor Trojan , which runs continuously in the backdrop, providing a backdoor server on a port 6667. It connects to an Internet Relay Chat (IRC) server and joins a specific channel, where it listens for instructions. The supposed instructions are implemented locally on affected machines.
This Trojan also kills Taskmanager and Regedit processes, making it hard to revert the registry changes. It adds itself as a Windows Firewall Exceptions, making all traffic permeable from the specific Server.
Steps to Revert back Changes made to Windows Firewall Settings:
1.Click on Start , Navigate to Control Panel.
2.Open Security Centre.
3.Click on Windows Firewall.
4.Select tab 'Exceptions' from the popup window.
5.Select 'filcoder' from Program and Services window and Delete it.
6.Restart your Computer.