The Intel® Extreme Tuning Utility (Intel® XTU) version 126.96.36.199 works with extreme processors only. I recommend you to uninstall and delete the current version from your computer and install it again using the file from the link below.
If you are running Microsoft® Windows 7, please follow the steps below.
In regards the virus issue, you can try with McAfee trial version.
Antivirus Software and Internet Security For Your PC or Mac | McAfee