Removing a virus can be done manually, however you will need to understand how to edit the system registry and be able to troubleshoot various problems with your computer system. Viruses are persistent and removing one can take a considerable amount of time and knowledge of how an operating system works.
You will also need to know how to edit registry to delete virus and stop it from reinstalling each time you connect to the internet.
1. Determine the name of the Trojan program by using regedit or another utility to edit the system registry. View the “Services” parameter in the [HKLMSoftwareMicrosoftWindowsCurrentVersionRun] key; this parameter gives the full path to the malicious program.
2. Use Task Manager to terminate the process with the Trojan name.
3. Delete the original Trojan file.
4. Delete the following value from the system registry key: