Etrust signature not updating
This malware is referred to as “Not Petya” throughout this Alert.
On June 27, 2017, NCCIC  was notified of Petya malware events occurring in multiple countries and affecting multiple sectors.
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What has happened is that the computer's SYSTEM account (which the e Trust services run under) doesn't have access to write to that part of the disk, despite having permissions explicitly set.
It's something you need to do regularly and often - daily is too often!
The simple act of getting on the Internet and downloading email or going to a Web page can expose your computer to malicious crackers who would love to take over your machine for their own use. Originally, the Security Tango was mostly for Windows-based computers.
In the case of e Trust, the fix is to open up the Services control panel (In the cases I have seen, the update works correctly after the Administrator account has been specified.
There does seem to be some problem with the SYSTEM service not working properly.