How to remove PUP.Optional.NotChromeRun

[openoikos]

Every scan finds the PUP.Optional.NotChromeRun pup. I quarantine and then delete.  It shows up after restart.  Chromium has also been installed, and I did not do it, at least on purpose!

I've noticed that every removal process is a little different and often specific to a PC.

Can someone provide instructions and steps for complete removal?

As suggested by a previous discussion and I scanned with FRST.exe.
I attach the two files FRST.txt and Addition.txt

FRST.txt

Addition.txt

[kevinf80]

Hello openoikos and welcome to Malwarebytes,

Continue please:

Download attached fixlist.txt file (end of reply) and save it to the Desktop, or the folder you saved FRST into. "Do not open that file when running FRST fix"
NOTE. It's important that both FRST and fixlist.txt are in the same location or the fix will not work.

Open FRST and press the Fix button just once and wait.
The tool will make a log on the Desktop (Fixlog.txt) or the folder it was ran from. Please post it to your reply.

Next,

Open Malwarebytes Anti-Malware.   On the Settings tab > Protection Scroll to and make sure the following are selected: Scan for Rootkits Scan within Archives   Scroll further to Potential Threat Protection make sure the following are set as follows: Potentially Unwanted Programs (PUP`s) set as :- Always detect PUP`s (recommended) Potentially Unwanted Modifications (PUM`s) set as :- Alwaysdetect PUM`s (recommended)   Click on the Scan make sure Threat Scan is selected, A Threat Scan will begin. When the scan is complete if anything is found make sure that the first checkbox at the top is checked (that will automatically check all detected items), then click on the Quarantine Selected Tab If asked to restart your computer to complete the removal, please do so When complete click on Export Summary after deletion (bottom-left corner) and select Copy to Clipboard. Wait for the prompt to restart the computer to appear, then click on Yes. After the restart once you are back at your desktop, open Malwarebytes once more to retrieve the log. To get the log from Malwarebytes do the following:   Click on the Reports tab > from main interface. Double click on the Scan log which shows the Date and time of the scan just performed. Click Export > From export you have two options: Copy to Clipboard - if seleted right click to your reply and select "Paste" log will be pasted to your reply Text file (*.txt) - if selected you will have to name the file and save to a place of choice, recommend "Desktop" then attach to reply   Use "Copy to Clipboard, then Right click to your reply > select "Paste" that will copy the log to your reply… Next, Download AdwCleaner by Malwarebytes onto your Desktop. Or from this Mirror   Right-click on AdwCleaner.exe and select Run as Administrator (for Windows Vista, 7, 8, 8.1 and 10 users) Accept the EULA (I accept), then click on Scan Let the scan complete. Once it's done, make sure that every item listed in the different tabs is checked and click on the Clean button. This will kill all the active processes Once the cleaning process is complete, AdwCleaner will ask to restart your computer, do it After the restart, a log will open when logging in. Please copy/paste the content of that log in your next reply Next, Download Microsoft's " Malicious Software Removal Tool" and save direct to the desktop Ensure to get the correct version for your system.... https://www.microsoft.com/en-gb/download/malicious-software-removal-tool-details.aspx Right click on the Tool, select “Run as Administrator” the tool will expand to the options Window In the "Scan Type" window, select Quick Scan Perform a scan and Click Finish when the scan is done. Retrieve the MSRT log as follows, and post it in your next reply: 1) Select the Windows key and R key together to open the "Run" function 2) Type or Copy/Paste the following command to the "Run Line" and Press Enter: notepad c:\windows\debug\mrt.log The log will include log details for each time MSRT has run, we only need the most recent log by date and time.... Let me see those logs in your reply, also tell me if there are any remaining issues or concerns.. Thank you, Kevin

fixlist.txt

[openoikos]

File Fixlog.txt

Fixlog.txt

[openoikos]

Malwarebytes
www.malwarebytes.com

-Dettagli log-
Data scansione: 05/01/19
Ora scansione: 16:18
File di log: 20398424-10fd-11e9-b480-f46d049796e8.json

-Informazioni software-
Versione: 3.6.1.2711
Versione componenti: 1.0.508
Aggiorna versione pacchetto: 1.0.8639
Licenza: Free

-Informazioni sistema-
SO: Windows 10 (Build 17134.472)
CPU: x64
File system: NTFS
Utente: FABRIZIO\STUDIO

-Riepilogo scansione-
Tipo di scansione: Ricerca elementi nocivi
Scansione avviata da: Manuale
Risultati: Completata
Elementi analizzati: 342371
Minacce rilevate: 3
Minacce messe in quarantena: 3
Tempo impiegato: 20 min, 17 sec

-Opzioni di scansione-
Memoria: Attivata
Esecuzioni automatiche: Attivata
File system: Attivata
Archivi compressi: Attivata
Rootkit: Attivata
Analisi euristica: Attivata
PUP: Rilevare
PUM: Rilevare

-Dettagli scansione-
Processo: 0
(Nessun elemento nocivo rilevato)

Modulo: 0
(Nessun elemento nocivo rilevato)

Chiave di registro: 0
(Nessun elemento nocivo rilevato)

Valore di registro: 0
(Nessun elemento nocivo rilevato)

Dati di registro: 0
(Nessun elemento nocivo rilevato)

Flusso di dati: 0
(Nessun elemento nocivo rilevato)
 

Cartella: 2
PUP.Optional.Webbar, C:\Program Files\WebDiscoverBrowser\4.28.2, In quarantena, [679], [348279],1.0.8639
PUP.Optional.Webbar, C:\PROGRAM FILES\WEBDISCOVERBROWSER, In quarantena, [679], [348279],1.0.8639

File: 1
PUP.Optional.Webbar, C:\Program Files\WebDiscoverBrowser\4.28.2\d3dcompiler_47.dll, In quarantena, [679], [348279],1.0.8639

Settore fisico: 0
(Nessun elemento nocivo rilevato)

WMI: 0
(Nessun elemento nocivo rilevato)

(end)
 

[openoikos]

Malwarebytes
www.malwarebytes.com

-Dettagli registro-
Data scansione: 05/01/19
Ora scansione: 16:18
File di registro: 20398424-10fd-11e9-b480-f46d049796e8.json

-Informazioni software-
Versione: 3.6.1.2711
Versione componenti: 1.0.508 aggiornamento
versione pacchetto: 1.0.8639
Licenza: Gratis

-Informazioni sistema-
SO: Windows 10 (Build 17134.472)
CPU: x64
File system: NTFS
Utente: FABRIZIO \ STUDIO

-Riepilogo scansione-
Tipo di scansione: Ricerca elementi nocivi
Scansione avviata da: Manuale
Risultati: Completata
Elementi analizzati: 342371
Minacce rilevate: 3
Minacce messe in quarantena: 3
Tempo impiegato: 20 min, 17 sec

-Opzioni di scansione-
Memoria: Attivata
Esecuzioni automatiche: Attivata
File system: Attivata
Archivi compressi: Attivata
Rootkit: Attivata
Analisi euristica: Attivata
PUP: Rilevare
PUM: Rilevare

-Dettagli scansione-
Processo: 0
(Nessun elemento nocivo rilevato)

Modulo: 0
(Nessun elemento nocivo rilevato)

Chiave di registro: 0
(Nessun elemento nocivo rilevato)

Valore di registro: 0
(Nessun elemento nocivo rilevato)

Dati di registro: 0
(Nessun elemento nocivo rilevato)

Flusso di dati: 0
(Nessun elemento nocivo rilevato)
 

Cartella: 2
PUP.Optional.Webbar, 😄 \ Programmi \ WebDiscoverBrowser \ 4.28.2, In quarantena, [679], [348279], 1.0.8639
PUP.Optional.Webbar, 😄 \ PROGRAMMI \ WEBDISCOVERBROWSER, In quarantena, [679], [348279], 1.0.8639

File: 1
PUP.Optional.Webbar, 😄 \ Programmi \ WebDiscoverBrowser \ 4.28.2 \ d3dcompiler_47.dll, in quarantena, [679], [348279], 1.0.8639

Settore fisico: 0
(Nessun elemento nocivo rilevato)

WMI: 0
(Nessun elemento nocivo rilevato)

(fine)
 

scansione2.txt

AdwCleaner[S00].txt

mrt.log

[kevinf80]

Run AdwCleaner again, this time checkmark all found entries and use the Clean option.. Post that log..

[kevinf80]

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Thanks