How do you remove the Trojan horse downloader. agent. AS?

Search for the virus with an antivirus program such as AVG. Once I ran the antivirus, I discovered that the path to the virus led to a file named polmx2.exe. Since this particular file was not a system file, I knew that it was okay to just delete it. Make sure you turn off system restore so the trogan horse will not be backed up in system restore. After the virus is deleted and no more are detected, be sure to turn system restore back on.