THanks.. ComboFix caused some problems (for example, Internet Explorer would not open web pages), so I had to undo the changes by performing a system restore (to the point prior to running ComboFix.

I ran Malwarebytes and the log from that is below:

Malwarebytes' Anti-Malware 1.12
Database version: 729

Scan type: Quick Scan
Objects scanned: 36713
Time elapsed: 9 minute(s), 54 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected: