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Trojan Vundo and Vundo H always returns.


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7 replies to this topic

#1 Hateca

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Posted 07 January 2009 - 01:00 PM

I scanned my system using just Malware Bytes, SAS, and ATF following the instructions and the Trojan will always return after a short time. I can tell its back simply by how the computer slows and the net is extremely slow. I have scanned the system more then once both full and quick scan and every time it returns. The system works for a short time and after the infection is removed a new scan will show clean. I have created a restore point and did disk clean-up as well.

I attempted to run SDFix but even with the work around’s it would not scan. Any other suggestions would help.

Windows XP Pro service pack 3, IE 6, PC-Cillin,


Malwarebytes' Anti-Malware 1.32
Database version: 1626
Windows 5.1.2600 Service Pack 3

1/7/2009 9:42:19 AM
mbam-log-2009-01-07 (09-42-19).txt

Scan type: Quick Scan
Objects scanned: 74371
Time elapsed: 9 minute(s), 28 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 2
Registry Keys Infected: 4
Registry Values Infected: 4
Registry Data Items Infected: 2
Folders Infected: 0
Files Infected: 3

Memory Processes Infected:
(No malicious items detected)

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

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

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cb92bd9 (Trojan.Vundo.H) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cpm5f8a1845 (Trojan.Vundo.H) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\{ec43e3fd-5c60-46a6-97d7-e0b85dbdd6c4} (Trojan.Vundo.H) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ssodl (Trojan.Vundo.H) -> Quarantined and deleted successfully.

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

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\yapipije.dll (Trojan.Vundo.H) -> Delete on reboot.
C:\WINDOWS\system32\ejipipay.ini (Trojan.Vundo.H) -> Quarantined and deleted successfully.
c:\WINDOWS\system32\gowevoni.dll (Trojan.Vundo.H) -> Delete on reboot.


SUPERAntiSpyware Scan Log
http://www.superantispyware.com

Generated 01/07/2009 at 02:33 AM

Application Version : 4.24.1004

Core Rules Database Version : 3698
Trace Rules Database Version: 1674

Scan type : Complete Scan
Total Scan Time : 00:46:28

Memory items scanned : 183
Memory threats detected : 0
Registry items scanned : 6975
Registry threats detected : 1
File items scanned : 103255
File threats detected : 0

Trojan.Fake-Alert/Trace
HKU\S-1-5-21-1365781518-532581206-3669330951-1006\SOFTWARE\Microsoft\fias4013

Edited by Hateca, 07 January 2009 - 01:01 PM.


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#2 quietman7

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Posted 07 January 2009 - 03:27 PM

If none of the tools you have used thus far are working, that means either malware or another security program is probably interfering with the fix. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you after scanning with MBAM. Please temporarily disable such programs or permit them to allow the changes and try rescanning again.

Click on this link to see a list of programs that should be disabled. The list is not all inclusive.
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#3 Hateca

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Posted 07 January 2009 - 03:48 PM

Thanks for the reply but the only anti anything I have on the computer is PC-Cillin and that is / was disabled before any scans.

#4 quietman7

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Posted 08 January 2009 - 07:57 AM

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 DDS/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 DDS which will create a Pseudo HJT Report 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 log in the thread titled "Post in this thread when you haven't received an answer in five days.".
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#5 Hateca

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Posted 09 January 2009 - 01:05 AM

Thanks. I was able to get SDFix and smitfraudfix to work in a round about way and this seemed to fix the issue. For some reason I had to navigate to their respected file and folder and run them from there.

I have updated and ran Malwarebytes three times since yesterday with no new finds. I will let you know if I get any new attacks.

#6 quietman7

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Posted 09 January 2009 - 08:49 AM

If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Start > Run and type: Cleanmgr
  • Click "Ok". Disk Cleanup will scan your files for several minutes, then open.
  • Click the "More Options" tab, then click the "Clean up" button under System Restore.
  • Click Ok. You will be prompted with "Are you sure you want to delete all but the most recent restore point?"
  • Click Yes, then click Ok.
  • Click Yes again when prompted with "Are you sure you want to perform these actions?"
  • Disk Cleanup will remove the files and close automatically.

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#7 Hateca

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Posted 09 January 2009 - 12:41 PM

Thanks, already done.

The virus had turned off the restore system to begin with so all my scans were with restore turned off. I created a new one when done and did disk cleanup when done anyway. So far it has been holding strong.

#8 quietman7

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Posted 09 January 2009 - 10:11 PM

Tips to protect yourself against malware and reduce the potential for re-infection:Avoid gaming sites, underground web pages, pirated software, crack sites, and peer-to-peer (P2P) file sharing programs. They are a security risk which can make your computer susceptible to a smörgåsbord of malware infections, remote attacks, exposure of personal information, and identity theft. Many malicious worms and Trojans spread across P2P file sharing networks, gaming and underground sites. Users visiting such pages may see innocuous-looking banner ads containing code which can trigger pop-up ads and Flash ads that install viruses, Trojans and spyware. Ads are a target for hackers because they offer a stealthy way to distribute malware to a wide range of Internet users. The best way to reduce the risk of infection is to avoid these types of web sites and not use any P2P applications. Read P2P Software User Advisories and Risks of File-Sharing Technology.

Keeping Autorun enabled on USB and other removable drives has become a significant security risk due to the increasing number of malware variants that can infect them and transfer the infection to your computer. When is AUTORUN.INF really an AUTORUN.INF?. For more information on this risk, please read USB-Based Malware Attacks and Please disable Autorun asap!.
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