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Infection with trojan.virtumonde


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5 replies to this topic

#1 jazzytune

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Posted 01 December 2008 - 12:23 PM

Hi,

My PC is infected with this nasty annoying trojan. I tried several things to get rid of it but no luck so far... It comes back no matter what I do! I tried MBAM, spyware doctor, VundoFix, Virtumondobegone, etc.

I just ran MBAM again to get rid of it (temporarily) other wise I couldn't even access this page! Here's the log file after the scan (before I deleted it):


Malwarebytes' Anti-Malware 1.30
Database version: 1306
Windows 5.1.2600 Service Pack 3

2008-12-01 12:04:00
mbam-log-2008-12-01 (12-03-49).txt

Scan type: Quick Scan
Objects scanned: 74979
Time elapsed: 11 minute(s), 30 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 2
Registry Keys Infected: 2
Registry Values Infected: 4
Registry Data Items Infected: 2
Folders Infected: 0
Files Infected: 5

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
C:\WINDOWS\system32\wahakilo.dll (Trojan.Vundo.H) -> No action taken.
c:\WINDOWS\system32\vuwoseji.dll (Trojan.Agent) -> No action taken.

Registry Keys Infected:
HKEY_CLASSES_ROOT\CLSID\{ec43e3fd-5c60-46a6-97d7-e0b85dbdd6c4} (Trojan.Agent) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\contim (Trojan.Vundo) -> No action taken.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3c30fc34 (Trojan.Vundo.H) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\{ec43e3fd-5c60-46a6-97d7-e0b85dbdd6c4} (Trojan.Agent) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ssodl (Trojan.Agent) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jedelasomo (Trojan.Agent) -> No action taken.

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs (Trojan.Agent) -> Data: c:\windows\system32\vuwoseji.dll -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs (Trojan.Agent) -> Data: system32\vuwoseji.dll -> No action taken.

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\tepidike.dll (Trojan.Vundo.H) -> No action taken.
C:\WINDOWS\system32\ekidipet.ini (Trojan.Vundo.H) -> No action taken.
C:\WINDOWS\system32\wahakilo.dll (Trojan.Vundo.H) -> No action taken.
C:\WINDOWS\system32\olikahaw.ini (Trojan.Vundo.H) -> No action taken.
c:\WINDOWS\system32\vuwoseji.dll (Trojan.Agent) -> No action taken.

And here's the log file after I took action to delete:
Malwarebytes' Anti-Malware 1.30
Database version: 1306
Windows 5.1.2600 Service Pack 3

2008-12-01 12:04:23
mbam-log-2008-12-01 (12-04-23).txt

Scan type: Quick Scan
Objects scanned: 74979
Time elapsed: 11 minute(s), 30 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 2
Registry Keys Infected: 2
Registry Values Infected: 4
Registry Data Items Infected: 2
Folders Infected: 0
Files Infected: 5

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
C:\WINDOWS\system32\wahakilo.dll (Trojan.Vundo.H) -> Delete on reboot.
c:\WINDOWS\system32\vuwoseji.dll (Trojan.Agent) -> Delete on reboot.

Registry Keys Infected:
HKEY_CLASSES_ROOT\CLSID\{ec43e3fd-5c60-46a6-97d7-e0b85dbdd6c4} (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\contim (Trojan.Vundo) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3c30fc34 (Trojan.Vundo.H) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\{ec43e3fd-5c60-46a6-97d7-e0b85dbdd6c4} (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ssodl (Trojan.Agent) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jedelasomo (Trojan.Agent) -> Quarantined and deleted successfully.

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs (Trojan.Agent) -> Data: c:\windows\system32\vuwoseji.dll -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_DLLs (Trojan.Agent) -> Data: system32\vuwoseji.dll -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\tepidike.dll (Trojan.Vundo.H) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\ekidipet.ini (Trojan.Vundo.H) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\wahakilo.dll (Trojan.Vundo.H) -> Delete on reboot.
C:\WINDOWS\system32\olikahaw.ini (Trojan.Vundo.H) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\vuwoseji.dll (Trojan.Agent) -> Delete on reboot.

When I reboot, the system tries to run DLL that are not available (kufedizi.dll and vuwoseji.dll) that are crearly linked to the trojans... Can someone please help me!

Thanks!


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#2 quietman7

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Posted 01 December 2008 - 01:29 PM

When I reboot, the system tries to run DLL that are not available

By that do you mean that at bootup you are getting "file not found" or similar error messages?

If that is the case, then it's not unusual to receive such an error when "booting up" after using anti-virus and other security scanning tools to remove malware infection.

A "Cannot find...", "Could not run...", "Error loading... or "specific module could not be found" message is usually related to malware that was set to run at startup but has been deleted. Windows is trying to load this file but cannot locate it since the file was mostly likely removed during an anti-virus or anti-malware scan. However, an associated orphaned registry entry remains and is telling Windows to load the file when you boot up. Since the file no longer exists, Windows will display an error message. You need to remove this registry entry so Windows stops searching for the file when it loads.

To resolve this, download Autoruns, search for the related entry and then delete it.
  • Create a new folder on your hard drive called AutoRuns (C:\AutoRuns) and extract (unzip) the file there. (click here if you're not sure how to do this.)
  • Open the folder and double-click on autoruns.exe to launch it.
  • Please be patient as it scans and populates the entries.
  • When done scanning, it will say Ready at the bottom.
  • Scroll through the list and look for a startup entry related to the file(s) in the error message.
  • Right-click on the entry and choose delete.
  • Reboot your computer and see if the startup error returns.

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#3 jazzytune

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Posted 01 December 2008 - 01:37 PM

ok, I will do that.... However, the trojan is not eradicated from my PC because it alwasy come back no matter what I do. It slows it down and opens Iexplorer windows to unknown addresses (I know I should use Firefox, but that's the point)... Clearly, the trojan reinstalls itself all the time!

#4 quietman7

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Posted 01 December 2008 - 01:53 PM

Some infections are difficult to remove completely because of their morphing characteristics which allows the malware to regenerate itself. Sometimes there is a hidden piece of malware which has not been detected that protects files (which have been detected) and registry keys so they cannot be permanently deleted. Disinfection will probably require the use of more powerful tools than we recommend in this forum. Before that can be done you will need you to create and post a RIST/HijackThis log for further investigation.

Please read the pinned topic titled "Preparation Guide For Use Before Posting A Hijackthis Log". If you cannot complete a step, then skip it and continue with the next. In Step 6 there are instructions for downloading and running Random's System Information Tool (RSIT) which will create a hijackthis log as part of its log.

When you have done that, post your log in the HijackThis Logs and Malware Removal forum, NOT here, for assistance by the HJT Team Experts. A member of the Team will walk you through, step by step, on how to clean your computer. If you post your log back in this thread, the response from the HJT Team will be delayed because your post will have to be moved. This means it will fall in line behind any others posted that same day.

Start a new topic, give it a relevant title and post your log along with a brief description of your problem, a summary of any anti-malware tools you have used and a summary of any steps that you have performed on your own. An expert will analyze your log and reply with instructions advising you what to fix. After doing this, we would appreciate if you post a link to your log back here so we know that your getting help from the HJT Team.

Please be patient. It may take a while to get a response because the HJT 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 "bump" your post or make another reply until it has been responded to by a member of the HJT 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 HJT Team member is already assisting you and not open the thread to respond.

If after 5 days you still have received no response, then post a link to your HJT log in the thread titled "Haven't Had A Reply In Five Days?".
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#5 jazzytune

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Posted 01 December 2008 - 02:09 PM

Ok, thanks!

#6 quietman7

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Posted 01 December 2008 - 02:43 PM

Your hijackthis log is posted here.

After posting a log, 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 HJT 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 member 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 HJT Team should be the only members that you take advice from, until they have verified your log as clean.

To avoid confusion, I am closing this topic until you are cleared by the HJT Team. If you still need assistance after your log has been reviewed and you have been cleared, please PM me or another moderator and we will re-open this topic.

Good luck with your log.
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