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Infected by nar.vbs and VBS/AutoRun.S worm

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#1 shizznats


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Posted 07 December 2008 - 12:08 PM

about 2 months ago, when I tried to open my thumbdrive, i got a message saying something like 'could not find nar.vbs.' Clicking 'explore' let me enter the drive so I sort of ignored it, but after googling I knew that nar.vbs was a worm type piece of malware that spread to all drives. I have 2 HDs... one 30gig with windows and programs and one 120gig with my data. I was running no antivirus or spyware removal software, so I got eset NOD32 and it found nar.vbs on both of my drives and supposedly 'quarantined' it. after doing a scan now, it doesnt detect anything, but I know its still on my computer.. when I go into safe mode and open drive C or D, there is a file, autorun.ini i think its called, and when I open it, it has nar.vbs in the text. I deleted these files in safe mode, but im not naive enough to think that got rid of this thing. no ill effects on my computer, but I want to get rid of this. any help would be much appreciated. Thank you.

Here is a screenshot of my NOD32 quarantine log.

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#2 garmanma


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Posted 07 December 2008 - 01:56 PM

We have an app. that will clean the thumbdrive that we'll deal with after you're clean
Let's start with Mbam and get an idea of what's going on

Please download Malwarebytes Anti-Malware and save it to your desktop.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • 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 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 and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you may be asked to reboot your computer so it can proceed with the disinfection process. Regardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. MBAM may make changes to your registry as part of its disinfection routine. If you're using other security programs that detect registry changes, they may alert you after scanning with MBAM. Please permit the program to allow the changes.
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#3 shizznats

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Posted 07 December 2008 - 02:33 PM

Mark, thanks for replying so quickly...

I ran the quick scan and it found nothing... here is the log (im doing a full system scan to see if it finds anything then):

Malwarebytes' Anti-Malware 1.31
Database version: 1471
Windows 5.1.2600 Service Pack 2

12/7/2008 2:31:46 PM
mbam-log-2008-12-07 (14-31-46).txt

Scan type: Quick Scan
Objects scanned: 46173
Time elapsed: 3 minute(s), 34 second(s)

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

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)

Edited by shizznats, 07 December 2008 - 03:05 PM.

#4 shizznats

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Posted 07 December 2008 - 03:12 PM

I dont know if this is relevant, but some of the infected files that were quarantined by NOD32 were in D:\System Volume Information. This is a folder which i can see, but I cannot open (it says Access is Denied in both regular and safe mode)... will the malwarebytes software look in there?

NOD32 is freaking out ... alerting me about VBS/AutoRun.S worm on drive D:\System Volume Information\_restore{.... (bunch of letters n numbers

now my computer is running very slowly because NOD32 is alerting me literally every second about VBS/AutoRun.S worm in a different restore folder... what does this mean?

I restarted the computer and NOD32 stopped freaking out. Marlwarebytes finished the full scan and found nothing. Im worried that I cant get into the system volume information folder on drive D. it seems the virus is sitting in my restore point (system restore is turned off though) I have all my data on drive D and im afraid to lose all that data...

Edited by shizznats, 07 December 2008 - 03:57 PM.

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