How Do I Remove the Trojan:Win32/Chenf.A?

What is the effect of Trojan:Win32/Chenf.A? Is it a nasty virus? I downloaded an update last night and then I got this. How to remove this virus mentioned in the beginning? I found it every time when I restart the computer, no matter I delete it or not. Is there anyway I can get rid of it completely?

Trojan:Win32/Chenf.A Description :

Trojan:Win32/Chenf.A belongs to computer malware which would not only disrupt a series of important system files, but also bring other viruses into the infected computer. It enters the infected system to achieve its goals such as making the invasion of the PC viruses. It is collecting sensitive information which is saved in the infected computer, and the computer settings would allow PC remote control from unknown server. People will not give such unsafe software authority for getting installed on the computer without permission. Therefore, there is usually a chance for this virus to get a secret installation with other authentication legit software so as to get installed without user permission. Once get installed, it will hide itself behind system files to change DNS settings or registry settings to get allowance for automatically startup.

Making Changes in the system settings and startup settings would enable irremovably capability. because it change the startup program, copy itself into startup folder and allow itself as a startup program of the infected system so that it can start up automatically from each time the computer start up. The infected files are often saved in the spam email attachments, infected USB device, malicious domain, free media and P2P sharing files. If you surf internet carelessly, your computer would easily get infected since every system has its loopholes. The leaky system would have backdoor opened for virus invasion. Infected files usually go through backdoor to get into the target system and duplicate viral files on the infected system. The viral files make your computer being infected. It is better to keep away from unknown mail, unknown domain and media from unsafe recourses to keep your computer clean. If you have this virus, you need to remove it quickly.

Several Consequences Caused By Trojan Virus:

Trojan:Win32/Chenf.A allows cyber-criminals to break into the infected computer without being noticed and it could disable executable programs installed on your computer and cause system crash. Also it will change important settings on your computer to allow remote control from cyber criminals. Other than that, it will modify your registry settings and important key value to make it difficult to be removed. As soon as you use Norton to remove it, you will get an error saying that Remove Failed just like the following picture shows:

Trojan:Win32/Chenf.A is a tricky virus that can be called as a computer threat target computer problems. Similar to the other malware or spamware which would mess up your computer, this virus is a nasty virus that can bring about both software and hardware problem. The original setting will be replaced, the search engine and background will be replaced, personal computer security level will decrease, computer performance will be slow down and the network speed will be slower than before. To use the computer program as fast as before becomes an impossible task. And the hardware component will be infected as well. In a word, an instant removal is needed when your PC is infected with this Trojan virus.