Windows 7 Didn't Boot, Even to Safe Mode - Restored Image

I woke up and saw my Windows 7 machine was still booting. It was very odd because I did not reboot it.
I turned off and tried again to no avail. A couple more times didnt' work.

I tried to boot safe mode. That did not boot either.

Finally I performed a System Image restore using Windows 7 backup/restore.
My system is backup up and running, but I am afraid I am infected with some Malware and its going to happen again.

I looked in the event log and noticed alot on NT Authority logins - Special privileges assigned to new logon. Dont' know much about it. Is this someone coming in?

Your help much appreciated.

Posting Logs as Attachments

May I draw your attention to the topic: ALL USERS OF THIS FORUM MUST READ THIS FIRST, which you should have read before posting for help.

The section Logs posted as attachments explains why you should not post attachments unless the helper assisting you requests that you do so. Thank you for your understanding.

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