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IE pop-ups - possible trojan?


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#1 basima

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Posted 09 December 2008 - 02:16 PM

Hi,

A while back I was suffering with malware on my pc, I think the vundo one or something. And you guys helped me to clear it twice.

Anyway, I am now getting alot of pop-ups on my pc again, with the usual ones saying your antivirus need updating...etc. I looked at windows task manager and there seems to be two processes I dont recognise as the usual.

One called gadcom.exe and prunnet.exe., possible trojans?

Can someone help me clear this problem please.

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#2 boopme

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Posted 09 December 2008 - 07:58 PM

Hello and welcome. Lets run this MBAM scan as they are malware.

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2
  • 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. Alternatively, you can update through MBAM's interface from a clean computer, copy the definitions (rules.ref) located in C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware from that system to a usb stick or CD and then copy it to the infected machine.
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 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.
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 basima

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Posted 10 December 2008 - 01:53 PM

Malwarebytes' Anti-Malware 1.31
Database version: 1483
Windows 5.1.2600 Service Pack 3

10/12/2008 18:50:09
mbam-log-2008-12-10 (18-50-09).txt

Scan type: Quick Scan
Objects scanned: 74792
Time elapsed: 6 minute(s), 54 second(s)

Memory Processes Infected: 1
Memory Modules Infected: 0
Registry Keys Infected: 19
Registry Values Infected: 4
Registry Data Items Infected: 0
Folders Infected: 2
Files Infected: 13

Memory Processes Infected:
D:\Documents and Settings\Khw Family\Application Data\gadcom\gadcom.exe (Trojan.Downloader) -> Unloaded process successfully.

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CLASSES_ROOT\bho_myjavacore.mjcore (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\TypeLib\{e0f01490-dcf3-4357-95aa-169a8c2b2190} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\Interface\{17e44256-51e0-4d46-a0c8-44e80ab4ba5b} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\CLSID\{d88e1558-7c2d-407a-953a-c044f5607cea} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{d88e1558-7c2d-407a-953a-c044f5607cea} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d88e1558-7c2d-407a-953a-c044f5607cea} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\bho_myjavacore.mjcore.1 (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\{5222008a-dd62-49c7-a735-7bd18ecc7350} (Rogue.VirusRemover) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\{5222008a-dd62-49c7-a735-7bd18ecc7350} (Rogue.VirusRemover) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\CLSID\{abadc07c-9990-405a-aa24-2c209b50ae79} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{abadc07c-9990-405a-aa24-2c209b50ae79} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{abadc07c-9990-405a-aa24-2c209b50ae79} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\AppID\{80ef304a-b1c4-425c-8535-95ab6f1eefb8} (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\AppID\BHO_MyJavaCore.DLL (Trojan.BHO) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\virusremover2008 (Rogue.VirusRemove) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\virusremover2008 (Rogue.VirusRemove) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\MRSoft (Trojan.Agent) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\xpre (Trojan.Downloader) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\RelatedPageInstall (Adware.Mirar) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gadcom (Trojan.Downloader) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\prunnet (Trojan.Downloader) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\prunnet (Trojan.Downloader) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bar (Trojan.Downloader) -> Quarantined and deleted successfully.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
C:\Program Files\Mjcore (Trojan.BHO) -> Delete on reboot.
D:\Documents and Settings\Khw Family\Application Data\gadcom (Trojan.Agent) -> Quarantined and deleted successfully.

Files Infected:
D:\Documents and Settings\Khw Family\Application Data\gadcom\gadcom.exe (Trojan.Downloader) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\prunnet.exe (Trojan.Downloader) -> Quarantined and deleted successfully.
D:\Documents and Settings\Khw Family\Local Settings\Temp\mirasnet.tmp (Trojan.Downloader) -> Quarantined and deleted successfully.
C:\Program Files\Mjcore\Mjcore.dll (Trojan.BHO) -> Delete on reboot.
C:\WINDOWS\system32\svchstb.dll (Trojan.BHO) -> Delete on reboot.
D:\Documents and Settings\Khw Family\Local Settings\Temp\prun.tmp (Trojan.Downloader) -> Quarantined and deleted successfully.
D:\Documents and Settings\Khw Family\Local Settings\Temp\sermoxnwca.tmp (Trojan.Downloader) -> Quarantined and deleted successfully.
D:\Documents and Settings\Khw Family\Local Settings\Temp\winvsnet.tmp (Trojan.Dropper) -> Quarantined and deleted successfully.
D:\Documents and Settings\Khw Family\Local Settings\Temp\xnoawrsmec.tmp (Trojan.Downloader) -> Quarantined and deleted successfully.
D:\Documents and Settings\Khw Family\Local Settings\Temporary Internet Files\Content.IE5\LJD2DMH3\152[1].net (Trojan.Agent) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\rc.dat (Malware.Trace) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\ps1.dat (Malware.Trace) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\alog.txt (Stolen.Data) -> Quarantined and deleted successfully.



#4 boopme

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Posted 10 December 2008 - 04:54 PM

OK thats a good scan. Reboot the PC if you haven't yet.
Now run these 2 tools. Tell us how the machine is after these
.
ATF
Please download ATF Cleaner by Atribune & save it to your desktop.
  • Double-click ATF-Cleaner.exe to run the program.
  • Under Main "Select Files to Delete" choose: Select All.
  • Click the Empty Selected button.
  • If you use Firefox browser click Firefox at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • If you use Opera browser click Opera at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • Click Exit on the Main menu to close the program.
Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".


Now SAS..
Please download and scan with SUPERAntiSpyware Free
  • Double-click SUPERAntiSypware.exe and use the default settings for installation.
  • An icon will be created on your desktop. Double-click that icon to launch the program.
  • If asked to update the program definitions, click "Yes". If not, update the definitions before scanning by selecting "Check for Updates". (If you encounter any problems while downloading the updates, manually download them from here. Double-click on the hyperlink for Download Installer and save SASDEFINITIONS.EXE to your desktop. Then double-click on SASDEFINITIONS.EXE to install the definitions.)
  • In the Main Menu, click the Preferences... button.
  • Click the "General and Startup" tab, and under Start-up Options, make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • Click the "Scanning Control" tab, and under Scanner Options, make sure the following are checked (leave all others unchecked):
    • Close browsers before scanning.
    • Scan for tracking cookies.
    • Terminate memory threats before quarantining.
  • Click the "Close" button to leave the control center screen and exit the program.
  • Do not run a scan just yet.
Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Scan with SUPERAntiSpyware as follows:
  • Launch the program and back on the main screen, under "Scan for Harmful Software" click Scan your computer.
  • On the left, make sure you check C:\Fixed Drive.
  • On the right, under "Complete Scan", choose Perform Complete Scan and click "Next".
  • After the scan is complete, a Scan Summary box will appear with potentially harmful items that were detected. Click "OK".
  • Make sure everything has a checkmark next to it and click "Next".
  • A notification will appear that "Quarantine and Removal is Complete". Click "OK" and then click the "Finish" button to return to the main menu.
  • If asked if you want to reboot, click "Yes" and reboot normally.
  • To retrieve the removal information after reboot, launch SUPERAntispyware again.
    • Click Preferences, then click the Statistics/Logs tab.
    • Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
    • If there are several logs, click the current dated log and press View log. A text file will open in your default text editor.
    • Please copy and paste the Scan Log results in your next reply.
  • Click Close to exit the program.

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

#5 basima

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Posted 10 December 2008 - 10:05 PM

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

Generated 12/11/2008 at 02:42 AM

Application Version : 4.21.1004

Core Rules Database Version : 3670
Trace Rules Database Version: 1649

Scan type : Complete Scan
Total Scan Time : 04:07:31

Memory items scanned : 170
Memory threats detected : 0
Registry items scanned : 6849
Registry threats detected : 0
File items scanned : 123137
File threats detected : 2

Adware.Tracking Cookie
D:\Documents and Settings\Khw Family\Cookies\khw_family@ads.bleepingcomputer[1].txt

Trojan.SVCHost/Fake
C:\PROGRAM FILES\ADOBE PHOTOSHOP CS3 (LIGHT VERSION)\CSDATA\1000000600002I\SVCHOST.EXE


Edited by basima, 10 December 2008 - 10:05 PM.


#6 boopme

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Posted 10 December 2008 - 10:10 PM

now please open MBAM again and click the Update tab. After that rescan and post the new log.
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

#7 basima

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Posted 11 December 2008 - 11:52 AM

Malwarebytes' Anti-Malware 1.31
Database version: 1489
Windows 5.1.2600 Service Pack 3

11/12/2008 16:51:39
mbam-log-2008-12-11 (16-51-39).txt

Scan type: Quick Scan
Objects scanned: 70677
Time elapsed: 4 minute(s), 13 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)



#8 boopme

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Posted 11 December 2008 - 12:06 PM

Looks good how's the PC running now?
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

#9 basima

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Posted 11 December 2008 - 09:00 PM

Looks good how's the PC running now?


Thanks alot, it is running much better with no pop-ups. How can I prevent this from happening again? I use AVG free edition, but it seems to not do anything at all, and I keep getting infected. :thumbsup:

#10 boopme

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Posted 11 December 2008 - 11:18 PM

You're welcome...First do this...
Now 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.
  • 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.
Vista Users can refer to these links: Create a New Restore Point and Disk Cleanup.

Read these items
"Simple and easy ways to keep your computer safe".
"How did I get infected?, With steps so it does not happen again!".
"Best Practices - Internet Safety for 2008".
"Hardening Windows Security - Part 1 & Part 2".
"IE Recommended Minimal Security Settings"
"How to Secure Your Web Browser".
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

#11 basima

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Posted 12 December 2008 - 08:59 PM

Thanks dude!

#12 boopme

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Posted 12 December 2008 - 09:11 PM

You're welocome from the Bleeping Computer crew. :thumbsup:
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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