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AVG detected Trojan


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#1 ineedausername

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Posted 01 April 2011 - 05:15 PM

as the title says recently AVG detected a Trojan horse Cryptic.CNL and everytime I remove everything it has scanned as infected the trojan comes back and I scan my laptop a second time. Any help ?

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#2 boopme

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Posted 01 April 2011 - 08:03 PM

Hello, let's run another tool and see what it shows as a secind opinion.
Run TFC by OT (Temp File Cleaner)
Please download TFC by Old Timer and save it to your desktop.
alternate download link

Save any unsaved work. TFC will close ALL open programs including your browser!
Double-click on TFC.exe to run it. If you are using Vista, right-click on the file and choose Run As Administrator.
Click the Start button to begin the cleaning process and let it run uninterrupted to completion.
Important! If TFC prompts you to reboot, please do so immediately. If not prompted, manually reboot the machine anyway to ensure a complete clean.

Next run MBAM (MalwareBytes):

Please download Malwarebytes Anti-Malware and save it to your desktop.
Download Link 1
Download Link 2MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
    For instructions with screenshots, please refer to the How to use Malwarebytes' Anti-Malware Guide.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself. Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the definition updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.

Troubleshoot Malwarebytes' Anti-Malware
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#3 ineedausername

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Posted 01 April 2011 - 09:25 PM

I finished running TFC and restarted, but when scanning with malwarebyte the whole program suddenly freezes at the same point every time I redo the scan
Edit: oh scratch that I left it on when it froze and it continued


Edit2:im guessing this is the log you wanted ?

Malwarebytes' Anti-Malware 1.50.1.1100
www.malwarebytes.org

Database version: 6242

Windows 6.0.6002 Service Pack 2
Internet Explorer 7.0.6002.18005

4/1/2011 10:35:13 PM
mbam-log-2011-04-01 (22-35-08).txt

Scan type: Quick scan
Objects scanned: 169569
Time elapsed: 11 minute(s), 11 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tvonejarivewa (Trojan.Agent.U) -> Value: Tvonejarivewa -> No action taken.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
c:\Users\jess\downloads\xvidsetup.exe (Adware.Hotbar) -> No action taken.

Edited by ineedausername, 01 April 2011 - 09:47 PM.


#4 boopme

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Posted 01 April 2011 - 09:35 PM

Ok, do this forst and then try MBAM. If you still have difficulty. Temporarily disable AVG as it likes to interfere with tools.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#5 ineedausername

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Posted 01 April 2011 - 09:49 PM

Malwarebytes' Anti-Malware 1.50.1.1100
www.malwarebytes.org

Database version: 6242

Windows 6.0.6002 Service Pack 2
Internet Explorer 7.0.6002.18005

4/1/2011 10:35:13 PM
mbam-log-2011-04-01 (22-35-08).txt

Scan type: Quick scan
Objects scanned: 169569
Time elapsed: 11 minute(s), 11 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tvonejarivewa (Trojan.Agent.U) -> Value: Tvonejarivewa -> No action taken.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
c:\Users\jess\downloads\xvidsetup.exe (Adware.Hotbar) -> No action taken.

#6 boopme

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Posted 01 April 2011 - 10:00 PM

OK, the "No action taken." Means you either did not click on Remove selected or you copied the log before that. If the first you need to run it again.
I forgot to add the scanner earlier,:blush:

I'd like us to scan your machine with ESET OnlineScan
  • Hold down Control and click on the following link to open ESET OnlineScan in a new window.
    ESET OnlineScan
  • Click the Posted Image button.
  • For alternate browsers only: (Microsoft Internet Explorer users can skip these steps)
    • Click on Posted Image to download the ESET Smart Installer. Save it to your desktop.
    • Double click on the Posted Image icon on your desktop.
  • Check Posted Image
  • Click the Posted Image button.
  • Accept any security warnings from your browser.
  • Under scan settings, check Posted Image and check Remove found threats
  • Click Advanced settings and select the following:
    • Scan potentially unwanted applications
    • Scan for potentially unsafe applications
    • Enable Anti-Stealth technology
  • ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
  • When the scan completes, push Posted Image
  • Push Posted Image, and save the file to your desktop using a unique name, such as ESETScan. Include the contents of this report in your next reply.
  • Push the Posted Image button.
  • Push Posted Image

How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#7 ineedausername

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Posted 01 April 2011 - 10:17 PM

oh my mistake LOL i accidentally made a log before i clicked removed

Malwarebytes' Anti-Malware 1.50.1.1100
www.malwarebytes.org

Database version: 6242

Windows 6.0.6002 Service Pack 2
Internet Explorer 7.0.6002.18005

4/1/2011 10:35:16 PM
mbam-log-2011-04-01 (22-35-16).txt

Scan type: Quick scan
Objects scanned: 169569
Time elapsed: 11 minute(s), 11 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tvonejarivewa (Trojan.Agent.U) -> Value: Tvonejarivewa -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
c:\Users\jess\downloads\xvidsetup.exe (Adware.Hotbar) -> Quarantined and deleted successfully.




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