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Help. Can't remove a virus


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I have a problem with a virus that eat the 90% of my CPU everytime I start my pc.

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I tried to arrest the process but it start again and again, I also tried to remove it manually going in the folder of the virus and nothing.

I scan the entire system with Avast antivirus, Malwarebytes Anti-Malware, AdwCleaner and nothing.

This is the software in question opened the task manager page: 

2.png

Can someone help me please.  

Thanks

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Hello FrancescoS and welcome to Malwarebytes,

My screen name is kevinf80, i`m here to help clean up your system. Make sure to run all scans from accounts with Administrator status, continue as follows please:

Anyone other than the original starter of this thread please DO NOT follow the instructions and advice posted as replies here, my help and advice is NOT related to your system and will probably cause more harm than good...

Change the download folder setting in the default Browser so all tools we may use are saved to the Desktop:

user posted imageGoogle Chrome - Click the "Customize and control Google Chrome" button in the upper right-corner of the browser. user posted image
Choose Settings. at the bottom of the screen click the
"Show advanced settings..." link. Scroll down to find the Downloads section and click the Change... button. Select your desktop and click OK.

user posted imageMozilla Firefox - Click the "Open Menu" button in the upper right-corner of the browser. user posted image Choose Options. In the downloads section, click the Browse button, click on the Desktop folder and the click the "Select Folder" button. Click OK to get out of the Options menu.

user posted imageInternet Explorer - Click the Tools menu in the upper right-corner of the browser. user posted image Select View downloads. Select the Options link in the lower left of the window. Click Browse and select the Desktop and then choose the Select Folder button. Click OK to get out of the download options screen and then click Close to get out of the View Downloads screen.
NOTE: IE8 Does not support changing download locations in this manner. You will need to download the tool(s) to the default folder, usually Downloads, then copy them to the desktop.

user posted imageChange default download folder location in Edge -Boot to a user account with admin status, select start > file explorer > right click on "Downloads" folder and select "Properties"

In the new window select "Location" tab > clear the text field box and type in or copy/paste %userprofile%\Desktop > select "Apply" then "OK"

Be aware you are not changing the Browser download folder location, you are changing the user’s download directory location.....

Next,

Follow the instructions in the following link to show hidden files:

http://www.howtogeek.com/howto/windows-vista/show-hidden-files-and-folders-in-windows-vista/

Next,

Download RKill from here: http://www.bleepingcomputer.com/download/rkill/

There are three buttons to choose from with different names on, select the first one and save it to your desktop.
 
  • Double-click on the Rkill desktop icon to run the tool.
  • If using Vista or Windows 7/8/10, right-click on it and Run As Administrator.
  • A black DOS box will briefly flash and then disappear. This is normal and indicates the tool ran successfully.
  • A log pops up at the end of the run. This log file is located at C:\rkill.log. Please post this in your next reply.
  • If you do not see the black box flash on the screen delete the icon from the desktop and go back to the link for the download, select the next button and try to run the tool again, continue to repeat this process using the remaining buttons until the tool runs. You will find further links if you scroll down the page with other names, try them one at a time.
  • If the tool does not run from any of the links provided, please let me know.


Next,

Please open Malwarebytes Anti-Malware.
 
  • On the Settings tab > Detection and Protection sub tab, Detection Options, tick the box "Scan for rootkits".
  • Under Non-Malware Protection sub tab Change PUP and PUM entries to Treat detections as Malware
  • Click on the Scan tab, then click on Scan Now >> . If an update is available, click the Update Now button.
  • A Threat Scan will begin.
  • When the scan is complete Apply Actions to any found entries.
  • Wait for the prompt to restart the computer to appear (if applicable), then click on Yes.
  • After the restart once you are back at your desktop, open MBAM once more.


To get the log from Malwarebytes do the following:
 
  • Click on the History tab > Application Logs.
  • Double click on the scan log which shows the Date and time of the scan just performed.
  • Click Export > From export you have three 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
    XML file (*.xml) - if selected you will have to name the file and save to a place of choice, recommend "Desktop" then attach to reply
     
  • Please use "Copy to Clipboard, then Right click to your reply > select "Paste" that will copy the log to your reply…



Next,

Download Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system (32 bit or 64 bit). 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.

If your security alerts to FRST either, accept the alert or turn your security off to allow FRST to run. It is not malicious or infected in any way...
 
  • Double-click to run it. When the tool opens click Yes to disclaimer.(Windows 8/10 users will be prompted about Windows SmartScreen protection - click More information and Run.)
  • Make sure Addition.txt is checkmarked under "Optional scans"
  • Press Scan button to run the tool....
  • It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
  • The tool will also make a log named (Addition.txt) Please attach those logs to your reply.


Let me see those logs in your reply...

Thank you,

Kevin...
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Hello kevinf80, thanks in advice for your help, I'll answer you step by step to make everything easier (I hope).

1)I changed the default folder setting successfully

2)I changed the default folder location successfully   and every download I did moved into my desktop screen (hope this is correct)

3)I showed hidden files successfully

4)I run Rkill and the first time appear the black Dos Box which instead of going away stayed on my screen, so I closed it.

After closing it I noticed that a report text file was created. Inside it was written that it basically close the winlogony/winlogons application (the virus that occupied my cpu)

Wondering the procedure was not correct I downloaded the 2nd Rkill and I completed everything as you described.

This time I noticed that a long list was generated, but there was any reference to the virus like I had before.

Here is the list. 

Rkill.txt

5)I did everything you mentioned before using Malwarebytes Anti-Malware, this is the log:

Malwarebytes Anti-Malware
www.malwarebytes.org

Data scansione: 28/11/2016
Ora scansione: 18:08
File di log: 
Amministratore: Sì

Versione: 2.2.1.1043
Database malware: v2016.11.28.12
Database rootkit: v2016.11.20.01
Licenza: Periodo di prova
Protezione da malware: Attivata
Protezione da siti web nocivi: Attivata
Auto-protezione: Disattivata

SO: Windows 7 Service Pack 1
CPU: x64
File system: NTFS
Utente: SAMSUNG

Tipo di scansione: Ricerca elementi nocivi
Risultati: Completata
Elementi analizzati: 474583
Tempo impiegato: 1 ore, 48 min, 44 sec

Memoria: Attivata
Esecuzioni automatiche: Attivata
File system: Attivata
Archivi compressi: Attivata
Rootkit: Attivata
Euristiche: Attivata
PUP: Attivata
PUM: Attivata

Processi: 0
(Nessun elemento nocivo rilevato)

Moduli: 0
(Nessun elemento nocivo rilevato)

Chiavi di registro: 0
(Nessun elemento nocivo rilevato)

Valori di registro: 0
(Nessun elemento nocivo rilevato)

Dati di registro: 0
(Nessun elemento nocivo rilevato)

Cartelle: 0
(Nessun elemento nocivo rilevato)

File: 0 

(Nessun elemento nocivo rilevato)

Settori fisici: 0
(Nessun elemento nocivo rilevato)


(end)

 

6)I did what you asked with FRST, here the reports:

FRST.txt

Addition.txt

Hope you help me to find a solution.

Thank you, 

Francesco.

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Thanks for those logs, continue please:

Download attached fixlist.txt file (end of reply) and save it to the Desktop, or the folder you saved FRST into.
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,

Please download Junkware Removal Tool to your desktop.
 
  • Shut down your protection software now to avoid potential conflicts. (re-enable when done)
  • Run the tool by double-clicking it. If you are using Windows Vista, 7, or 8; instead of double-clicking, right-mouse click JRT.exe and select "Run as Administrator".
  • The tool will open and start scanning your system.
  • Please be patient as this can take a while to complete depending on your system's specifications.
  • On completion, a log (JRT.txt) is saved to your desktop and will automatically open.
  • Post the contents of JRT.txt into your next message.


Next,

Download Sophos Free Virus Removal Tool and save it to your desktop.

If your security alerts to this scan either accept the alert or turn off your security to allow Sophos to run and complete.....
 
  • Double click the icon and select Run
  • Click Next
  • Select I accept the terms in this license agreement, then click Next twice
  • Click Install
  • Click Finish to launch the program
  • Once the virus database has been updated click Start Scanning
  • If any threats are found click Details, then View log file... (bottom left hand corner)
  • Copy and paste the results in your reply
  • Close the Notepad document, close the Threat Details screen, then click Start cleanup
  • Click Exit to close the program
  • If no threats were found please confirm that result....


Let me see those logs in your reply, also tell me if there are any remaining issues or concerns...

Thank you,

Kevin...

 

 

Fixlist.txt

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Ok everything successful

1) Fixlog.txt

2) JRT.txt

3) SophosVirusRemovalTool.log (1 threat was found)

The situation on my laptop is that it seems like the main problem I had disappeared, but I'm having different strange things, for example touchpad stopped works well, or Youtube video do errors and doesn't start. Don't know why!

Anyway I have another question: everytime I open chrome a lot of processes appear in my task manager, all called chrome... Is that normal?

Thank you for your interest.

Francesco

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Lets make a clean install of Chrome... If your Chrome Bookmarks are important do this first:

Go to this link: http://www.wikihow.com/Export-Bookmarks-from-Chrome follow the instructions and Export your Bookmarks from Chrome, save to your Desktop or similar. Note the instructions can also be used to Import the bookmarks.....

Continue for a clean install:

Download Chrome installer and save to install later: https://www.google.com/intl/en_uk/chrome/browser/desktop/index.html

Remove all synced data from Chrome go here: https://support.google.com/chrome/answer/6386691?hl=en-GB follow those instructions... It is essntial that any/all synced data is removed when the browser is hijacked or exploited in anyway...

Uninstall Chrome: https://support.google.com/chrome/answer/95319?hl=en-GB follow those instructions, ensure the option to "Also delete your browsing data" is selected. <<--- Very important!!

Navigate to C:\Users\Your user name\Appdata\Local from that folder delete the folder named Google (you will need to show hidden files/folders to see the folder Appdata)

For XP that will be My Computer > C:\ Documents and Settings\Your User Name\Application Data\Roaming

How to show hidden files and folders for windows: http://www.howtogeek.com/howto/windows-vista/show-hidden-files-and-folders-in-windows-vista/

Install Google Chrome :

Install Adblock Plus to Chrome: https://chrome.google.com/webstore/detail/adblock-plus/cfhdojbkjhnklbpkdaibdccddilifddb

Install DrWeb Link Ant-virus Link Checker: https://chrome.google.com/webstore/detail/drweb-anti-virus-link-che/aleggpabliehgbeagmfhnodcijcmbonb?hl=en

Does that help...?
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  • 2 weeks later...
  • Root Admin

Due to the lack of feedback this topic is closed to prevent others from posting here. If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this thread with your request. This applies only to the originator of this thread.Other members who need assistance please start your own topic in a new thread. Thanks!

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