infected with trojan horse generic22.CMRC

My AVG resident shield shows my system is infected with trojan horse generic22.CMRC. When I select heal or move to vault, it is warning me that if the infection is forced to move, the system may get corrupt or crashed. I downloaded Malwarebytes antimalware and run quick scan. It found 3 infections and told to reboot. After rebooting also I could find the resident shield of AVG informing about the infection again.

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