I was looking for an answer concerning these same drivers that were shown in nirsoft DriverView
according to the Driver Reference Table found at John Carrona website, Microsoft MVP
%SysDir%\Drivers\DUMP_DUMPATA.SYS is related to Microsoft Windows Vista.
DUMP_DUMPATA.SYS is a system driver for managing ATA devices.
%SysDir%\Drivers\DUMP_DUMPFVE.SYS is related to Microsoft Windows Vista.
DUMP_DUMPFVE.SYS is a Full Volume Encryption Crashdump Hibernate Filter Driver.
DUMPFVE.SYS is a part of Microsoft® Windows® Vista Operating System.
DUMP_MSAHCI.SYS is related to MS AHCI 1.0 Standard Driver.
DUMP_MSAHCI.SYS is a part of Microsoft® Windows® Operating System.
Manufacturer: Microsoft Corp.
seems to be they are all related to dump files and legit,but I don't know for certain myself,it might be helpful to another
windows 7 SP1