Best way to remove Backdoor.CrimeScene

Today morning when I opened my computer then I experienced the slow response of it. Some of my valuable office files become totally inaccessible to me. My system programs also does not work efficiently. PC functionalities been also does not respond properly. My system settings got modified without my permission. I can not understand what is going on my PC. When I scanned my PC using a malware scanner then I got a Trojan infection. Now I have no idea how would I remove Backdoor.CrimeScene virus from my PC. Is there anyone who can suggest me to out of this problem.

Malware researchers views on Backdoor.CrimeScene
Backdoor.CrimeScene has been entitled as one of the most deceitful Trojan virus. It has been developed by the cyber crooks to take your privacy in danger and conceal your valuable information or data to terrify you. It is able to infect most of the Windows OS such as Windows XP, Windows 7, Windows 8 and so on. It has ability to make changes into your existing system settings, DNS settings, Homepage and Desktop settings without taking your prior permissions. The main sources of this Backdoor.CrimeScene through spam email attachments, freeware installations, infected removal drives and other doors. It has been programmed to damage your PC completely. It highly uses your system resources in unwanted processes which is running by it in the system background and causes slow system response and freezing of computer. So you should do something very quickly to remove it from PC.

More details about Backdoor.CrimeScene
Name – Backdoor.CrimeScene
Threat type – Trojan
Infected file – file.exe
Risk – Low
Symptoms – Replaced system settings, slow system performance etc.
Spreading ways – Spam emails, unsafe downloads etc.
Affected OS – Windows
Backdoor.CrimeScene : Most preferred ways of spreading infection
Use of infected USBs, external medias, memory cards on the system.
Third party installers of software packages which is free downloaded from Internet.
Through file sharing sites using peer to peer mechanism.
Opening of unwanted emails such as spam emails and downloads of their attached files.
Visit of unsafe sites or hijacked sites on your browser.
Backdoor.CrimeScene can comes on your system without your knowledge.