First of all, don't use the analyzer.
Secondly;
Will deleting these items using HJT be sufficient to get rid of them, or should I be using another tool?
No, HJT is not a fixer program it is a scanner program that can LATER be used to fix once other fixes are applied.
Your log shows you have disabled some start ups using msconfig. Please go back and re-enable these items.

Now please Download LSPFix Run the Program. Disconnect from the Internet and close all Internet Explorer Windows. Check the "I know what I'm doing" Button and place all listings of erwgg.dll into the remove section by clicking on the button that points to the right. When all instances of this dll are in the Remove section. Press the finish button.

Reboot the computer.

Please download VundoFix.exe to your desktop.
  • Double-click VundoFix.exe to run it.
  • Put a check next to Run VundoFix as a task.
  • You will receive a message saying vundofix will close and re-open in a minute or less. Click OK
  • When VundoFix re-opens, click the Scan for Vundo button.
  • Once it's done scanning, click the Remove Vundo button.
  • You will receive a prompt asking if you want to remove the files, click YES
  • Once you click yes, your desktop will go blank as it starts removing Vundo.
  • When completed, it will prompt that it will shutdown your computer, click OK.
  • Turn your computer back on.
  • Please post the contents of C:\vundofix.txt and a new HiJackThis log.