Unable to get rid of virtool.win32/obfuscator.XZ

It wouldn't hurt to check for rootkits since viruses have a bad habit of inviting more viruses onto your system. Rootkits generally make a cloaked partition & boot from that. Since the partition is hidden, it can be hard to remove for most programs.

For a rootkit scan, try running TDSSKiller.

Anti-rootkit utility TDSSKiller

Another tool you can use to check if anything else is present on your system is Windows Defender Offline. Being you're unsure of your system status, you may want to make this on another, clean PC & then run it on yours.

Windows Defender Offline

Yes, if you post the log this will help people to determine if there is anything amiss with your system.

Warning! Backdoor Trojans

These are the most dangerous, and most widespread, type of Trojan.
Backdoor Trojans provide the author or ‘master’ of the Trojan with remote ‘administration’ of victim machines. Unlike legitimate remote administration utilities, they install, launch and run invisibly, without the consent or knowledge of the user. Once installed, backdoor Trojans can be instructed to send, receive, execute and delete files, harvest confidential data from the computer, log activity on the computer and more.
If your computer was used for online banking or has credit card information on it, all passwords should be changed immediately to include those used for email, eBay and forums.
You should consider them to be compromised.
They should be changed by using a different computer and not the infected one, if not an attacker may get the new passwords and transaction information.
Banking and credit card institutions should be notified of the possible security breech.
More info can be found below:
How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?
How to report ID theft, fraud, drive-by installs, hijacking and malware? Security | DSLReports.com, ISP Information

Please post the combofix.txt log you saved.

Can you copy and paste the combofix 'quarantined' .txt log?

It's located here C:\Qoobox\ComboFix-quarantined-files.txt

Download AdWareCleaner AdwCleaner Download to your desktop
1.Right-click on adwcleaner.exe and select Run As Administrator to launch the application.
2.Click on Delete button.
3.Confirm each time with OK.
4.Your computer will be rebooted automatically. A text file will open after the restart. Please post the content of that logfile in your reply.
Note: You can find the logfile at C:\AdwCleaner[Sn].txt as well - n is the order number.