How to check the files of Microsoft to be legitimate?

I have a Compaq Presario desktop computer comes with XP Media Center 2005.  It has been updated to SP3.

Recently, I ran free TDSSKiller from Kaspersky Lab to check my PC for the DNSChanger Malware.  After executing TDSSKiller, he registered 6 files to be suspicious. Two are Microsoft files. The files and their paths are:

(1) mhn.dll.  Path: C:\WINDOWS\System32\mhn.dll

(2) mhndrv.sys.  Path: C:\WINDOWS\System32\DRIVERS\mhndrv.sys

How to check that these files have not been modified by a virus?

Thanks, Terry

Scan the files with your antivirus application (which is...?)

You can also download on Virus Total, as long as the file size is less than 32 MB.

Total virus scan files downloaded with about 39 different tools antivirus and you provides reports:

https://www.VirusTotal.com/about/credits/
https://www.VirusTotal.com/about/
https://www.VirusTotal.com/FAQ/

Tags: Windows

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