W32/Emcodec Trojan

 Virus Information - W32/Emcodec Trojan:

W32/Emcodec is a trojan. The trojan will infect Windows systems.

Upon execution, the trojan displays the EULA (End User License Agreement) for eMediaCodec which is the codec for Windows Media Player.

It also drops the following files.

ecodec.exe and uninst.exe in Program files folder.
dfrgsrv.exe in Windows System folder.

The trojan modifies registry at the following location;

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

It also drops and executes a copy of another malware.