Backdoor Trojan virus 

Is your computer acting weird? Then it must be the Trojans that are freely available online. In fact, the source code for some Trojan programs is also available, It makes it easy for anyone with the basic skill to modify the program to either modify it’s capabilities or attempt to avoid detection by anti-virus products. You must scan your drives for adware and spyware, then Remove it!

Impact of virus

The Backdoor Trojan virus allows unauthorized access to computer. It tries to spread the infection by displaying a program. When the Backdoor Trojan virus is executed and the process is running in memory, it does not know the file name from which it was launched.

Many backdoor Trojans copy themselves to the System folder with a fixed file name. Once it gets executed, files are invariably written to the hard drive of the affected system.

Variants of virus

Netbus, SubSeven, Optix Pro and Back Orifice are some examples of the Backdoor Trojan Virus.

• Netbus

The Netbus Trojan is one of the most famous Trojans available. It allows anybody running the client portion to connect and control anybody running the server portion of it, having the same right and privileges as the present user.

• SubSeven

The another Backdoor Trojan Virus is SubSeven backdoor Trojan it makes it presence with Porn, Star slide show. When opened, it displays a fake error message and installs a backdoor program on the system. A hacker may misuse the installed backdoor program to manipulate the infected system.

• Optix Pro

Optix Pro has all the features common in today's Remote Access Trojans, It is used for the screen capture and webcam capture which are very clear and fast. It is most wanted Trojan for many Trojan users. Optix Pro has a security program terminator feature, when activated, will close all popular security programs down every 60 seconds.

• Back Orifice

Many experts treat Back Orifice as a controversial remote administration tool, but it is a Backdoor Trojan Virus, which enables a person to operate from over the network a computer running the Microsoft Windows operating system. The name is a derived from Microsoft's own server software Back Office.

Back Orifice has client-server architecture. A small server program is installed on one machine, which is remotely manipulated by a client program with a graphical user interface on another computer system.

Although the purpose of Back Orifice is legitimate, such as remote administration, there are other factors that make it tempted for mal-practices. The server can hide itself by users of the system. It can be misused by hackers to harass innocent people.

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