Ran a antivirus program and it said that hiberfil.sys and pagefile.sys are infected by a trojan. The program couldn't remove them since i guess they are read only. Should i remove them manually ...

You should have no problem with deleting it by hand, if the OS isn't using it. You'll need to turn off the system and hidden attributes on the file, of course. The OS won't let you delete the file if ...

Virtual Memory or Page File is a type of memory that allows Windows to use part of the storage space a RAM, to improve the overall performance or when there is a need for extra memory. While Windows ...