What are the use of subject line file? is this a malware, does we need to remove this file?
File path is:
c:\ProgramData\Microsoft\Microsoft Antimalware\Definition Updates\{67EF97E0-B25F-41B6-B602-53B23C6773FE}\MpKslf330f016.sys
C:\Windows\system32\drivers\MpKsld3f76d24.sys