Looking good, let’s search for remnants 
We’ll have several steps. Take it easy, and execute one by one…
Step 1.
- Go to following folder → C:\Qoobox
- Find folder named Quarantine and archive it (zip, rar)
- Upload the archive on: http://speedyshare.com/
- Copy the download link here
Step 2.
Please go to: VirusTotal
[*] Click the Choose File button.
[*] Please copy/paste the following text into the ‘File name:’ box:
c:\windows\servicing\TrustedInstaller.exe
[*] Click Open then click the Scan it! button just below.
[*] This will scan the file. Please be patient.
[*] If you get a message saying File already analyzed: click Reanalyse
[*] Once scanned, copy and paste the URL from your browser address bar in your next reply.
Step 3.
Please download AdwCleaner by Xplode and save to your Desktop.
Double click on AdwCleaner.exe to run the tool.
[*]Click on the Scan button.
[*]After the scan has finished click on the Clean button.
Press OK when asked to close all programs and follow the onscreen prompts.
Press OK again to allow AdwCleaner to restart the computer and complete the removal process.
[*]After rebooting, a logfile report (AdwCleaner[S0].txt) will open automatically.
[*]Post logfile will also be saved in the C:\AdwCleaner folder.
Step 4.
Please download Farbar Service Scanner and run it on the computer with the issue.
[*]Make sure the following options are checked:
[*]Internet Services
[*]Windows Firewall
[*]System Restore
[*]Security Center/Action Center
[*]Windows Update
[*]Windows Defender
[*]Press “Scan”.
[]It will create a log (FSS.txt) in the same directory the tool is run.
[]Please copy and paste the log to your reply.
Step 5.
Please download Farbar Recovery Scan Tool by Farbar and save it to your desktop.
Note: You need to run the version compatibale with your system. If you are not sure which version applies to your system download both of them and try to run them.
Only one of them will run on your system, that will be the right version.
[*]Double-click to run it. When the tool opens click Yes to disclaimer.
[*]Under Optional Scan ensure “List BCD” and “Driver MD5” are ticked.
[*]Press Scan button.
[*]It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.
[*]The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.