Please add spaces between words: ProgramModification:Sometimes,notonlyvirusTrojanDownloader:Win32/Agent.AHHormalwareSystemMechanic8(de)butalsocommonsoftwarespossessingtheabilitytomodifytheinnerfunctionsofsffdisk.sys,whichmeansotherprogramscan'tfindthisDLLfileagain.
Program Modification: Sometimes, not only virus TrojanDownloader:Win32/Agent.AHH or malware System Mechanic 8 (de) but also common softwares possessing the ability to modify the inner functions of sffdisk.sys, which means other programs can't find this DLL file again.