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Weird DLL-is this a malware? kibarofa.dll and vebuzahu.dll


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#1 Flyer1965

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Posted 14 April 2009 - 10:44 AM

Ran HijackThis and it found these DLLs which look suspicious to me.
I used HJT to clean virtumonde a couple weeks ago, working fine now but wondering if this is malware I have leftover from previous infection.
The HJT warning says the way of loading a .dll is hardly ever used except by a trojan

This is the line in HJT scan results that made me wonder:

AppInit_DLLs: C:\WINDOWS\system32\ c:\windows\system32\kibarofa.dll C:\WINDOWS\system32\ c:\windows\system32\vebuzahu.dll,C:\WINDOWS\system32\

Any ideas if I can/should safely delete this?
Thanks, first timer here

PS Computer is behaving fine; no problems I can notice, and not getting any warning messages from scans for viruses or spyware
Did a quick search for these dll's online and nothing came up, i know that the problem I had in virtumonde was that it kept making randomly named DLL's, and wondering if this is leftover stuff from that?

Edited by Flyer1965, 14 April 2009 - 10:47 AM.


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#2 quietman7

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Posted 14 April 2009 - 01:49 PM

KIBAROFA.DLL
vebuzahu.dll

Anytime you come across a suspicious file or one that you do not recognize, search the name using Google or the following databases:Determining whether a file is malware or a legitimate process sometimes depends on the location (path) it is running from. One of the ways that malware tries to hide is to give itself the same name as a critical system file. However, it then places itself in a different location on your computer. Another techinique is for the process to alter the registry and add itself as a Startup program so that it can run automatically each time the computer is booted. A file's properties may give a clue to identifying it. Right-click on the file, choose Properties and examine the General and Version tabs.

If you cannot find any information, the file has a legitimate name but is not located where it is supposed to be, or you want a second opinion, submit it to Jotti's virusscan or VirusTotal. In the "File to upload & scan" box, browse to the location of the suspicious file and submit (upload) it for scanning/analysis.

Please download Malwarebytes Anti-Malware (v1.36) and save it to your desktop.
alternate download link 1
alternate download link 2

MBAM 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.
  • 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.
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