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AVG warnings about nsc0d8.tmpagent.ymu


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8 replies to this topic

#1 wowac

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Posted 07 February 2012 - 10:21 PM

Hi all,

Running Windows 7 64-bit.

I can't seem to find nsc0d8.tmpagent.ymu when I search for it. AVG was spamming me with warnings saying that it was a severe trojan and I could quarantine it or let it go. I tried searching the 'net for the file name and all I found were a few other descriptions of ymu files.

Here's what happened:

Started running the install package for Finale 2012 (trial version) from their main website
AVG began warning me multiple times about nsc0d8.tmpagent.ymu in my user local temp files
I tried to quarantine the file, yet every time I would click quarantine, another 3-4 warnings would pop up
I attempted to bypass it but the warnings would stay on top of all of active windows
Ended up trying to task manager end process & service and it would go unresponsive yet never close
Ran AVG to see if it would flag anything - said my system was clean
Shut down and rebooted into safe mode w/ networking
Ran AVG again - said I was clean
Finale installation went fine before rebooting, works great, and is the 100% legitimate trial

Any suggestions on how to fix this? Not sure where to go from here. Thanks in advance.

Edited by wowac, 07 February 2012 - 10:25 PM.


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#2 boopme

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Posted 07 February 2012 - 10:37 PM

Hello,you may have the latest in malware.
Have you tried the Quarantine or Task manager attempts from safe mode?

Download aswMBR to your desktop.
Double click the aswMBR.exe to run it.
Click the "Scan" button to start scan:
Posted Image

On completion of the scan click "Save log", save it to your desktop and post in your next reply:
Posted Image

NOTE. aswMBR will create MBR.dat file on your desktop. This is a copy of your MBR. Do NOT delete it.


Next run MBAM (MalwareBytes):

Please download Malwarebytes Anti-Malware and save it to your desktop.
Download Link 1 <<<== Use this one first.

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 wowac

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Posted 07 February 2012 - 11:37 PM

aswMBR version 0.9.9.1532 Copyright© 2011 AVAST Software
Run date: 2012-02-07 23:24:01
-----------------------------
23:24:01.630 OS Version: Windows x64 6.1.7600
23:24:01.631 Number of processors: 4 586 0x2A07
23:24:01.631 ComputerName: xxxx-PC UserName: xxxx
23:24:02.327 Initialze error C000010E - driver not loaded
23:24:03.977 AVAST engine defs: 12020701
23:24:05.059 Service scanning
23:24:05.994 Modules scanning
23:24:05.996 Disk 0 trace - called modules:
23:24:05.998
23:24:08.358 AVAST engine scan C:\Windows
23:24:14.881 AVAST engine scan C:\Windows\system32
23:25:55.885 AVAST engine scan C:\Windows\system32\drivers
23:26:06.857 AVAST engine scan C:\Users\xxxx
23:29:50.717 AVAST engine scan C:\ProgramData
23:30:07.229 Scan finished successfully
23:30:18.912 The log file has been saved successfully to "C:\Users\xxxx\Downloads\aswMBR.txt"

-----

Malwarebytes Anti-Malware (Trial) 1.60.1.1000
www.malwarebytes.org

Database version: v2012.02.08.01

Windows 7 x64 NTFS
Internet Explorer 8.0.7600.16385
xxxx :: xxxx-PC [administrator]

Protection: Enabled

2/7/2012 11:31:46 PM
mbam-log-2012-02-07 (23-31-46).txt

Scan type: Quick scan
Scan options enabled: Memory | Startup | Registry | File System | Heuristics/Extra | Heuristics/Shuriken | PUP | PUM
Scan options disabled: P2P
Objects scanned: 192288
Time elapsed: 1 minute(s), 56 second(s)

Memory Processes Detected: 0
(No malicious items detected)

Memory Modules Detected: 0
(No malicious items detected)

Registry Keys Detected: 0
(No malicious items detected)

Registry Values Detected: 0
(No malicious items detected)

Registry Data Items Detected: 0
(No malicious items detected)

Folders Detected: 0
(No malicious items detected)

Files Detected: 0
(No malicious items detected)

(end)

Edited by wowac, 07 February 2012 - 11:44 PM.


#4 wowac

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Posted 07 February 2012 - 11:49 PM

Hello,you may have the latest in malware.
Have you tried the Quarantine or Task manager attempts from safe mode?


I can't because AVG doesn't find the file and I can't find it through a manual search either. Since it was in the temp folder, I'm not sure if it deleted itself or was just something that set off alerts while I was installing Finale.

#5 boopme

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Posted 08 February 2012 - 11:24 AM

Were you downloading a Torrent version??
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

#6 wowac

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Posted 08 February 2012 - 06:58 PM

Were you downloading a Torrent version??


No I downloaded it from the Finale website after registering an account. http://www.finalemusic.com/Downloads/FreeTrial.aspx

#7 boopme

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Posted 08 February 2012 - 09:08 PM

Does AVG still see it?
If so then I think we need a deeper look.
Please go here....Preparation Guide ,do steps 6-9.

Create a DDS log and post it in the new topic explained in step 9 which is here Virus, Trojan, Spyware, and Malware Removal Logs and not in this topic,thanks.
Skip GMER and repost your aswMBR log.

Let me know if that went well.
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

#8 wowac

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Posted 08 February 2012 - 09:40 PM

Does AVG still see it?
If so then I think we need a deeper look.
Please go here....Preparation Guide ,do steps 6-9.

Create a DDS log and post it in the new topic explained in step 9 which is here Virus, Trojan, Spyware, and Malware Removal Logs and not in this topic,thanks.
Skip GMER and repost your aswMBR log.

Let me know if that went well.


Skipped GMER as instructed. Will post the DDS and aswMBR log on the new section. Thanks for your help.

#9 boopme

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Posted 09 February 2012 - 11:56 AM

Now that your log is properly posted, you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a Malware Removal Team member, nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show it the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the Malware Removal Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the Malware Removal Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the Malware Removal Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another MRL Team member is already assisting you and not open the thread to respond.

The current wait time is 1 - 3 days and ALL logs are answered.

To avoid confusion, I am closing this topic.
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




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