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Infected By Downloader.zlob


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#1 markgui

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Posted 18 May 2008 - 11:11 AM

My OS is Windows XP. I run AVG anti-virus. My computer started running very slowly and acting strangely. (Desktop icons would disappear and reappear). I received a windows security alert icon in the bottom right of my screen stating that automatic updates was turned off. When I clicked it to turn it back on, it said it couldn't be turned on and to go to the control panel to turn it on. I went to the control panel, and it showed automatic updates as being turned on. Then, I attempted to open task manager and it said task manager has been disabled by the administrator. Then, I performed a full system scan and AVG detected the downloader.zlob trojan horse infection, which it claimed to have repaired. I then attempted to run Spybot S&D. It attmepted to do a scan and before it locked up, it picked up the task manager thing. Shortly after, it froze up. The webpages I had open (this site), worked okay, although somewhat sluggish but the taskbar is inoperable. I tried to click on spybot in the toolbar but it wouldn't allow me to open or close it.

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#2 boopme

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Posted 18 May 2008 - 12:52 PM

Please run this scan tool and lets see what shows up,thanks.

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 Download_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 and you may be prompted to restart your computer. (see Note below)
  • 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 will be presented with 1 of 2 prompts. Click OK to either and let MBAM proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot will prevent MBAM from removing all the malware.
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 markgui

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Posted 18 May 2008 - 02:07 PM

Here is the mbam log after removal:
Malwarebytes' Anti-Malware 1.12
Database version: 762

Scan type: Quick Scan
Objects scanned: 41285
Time elapsed: 6 minute(s), 32 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 4
Registry Keys Infected: 9
Registry Values Infected: 2
Registry Data Items Infected: 2
Folders Infected: 0
Files Infected: 8

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
H:\WINDOWS\system32\opnomLDs.dll (Trojan.Vundo) -> Unloaded module successfully.
H:\WINDOWS\system32\tmwggbrq.dll (Trojan.Vundo) -> Unloaded module successfully.
H:\WINDOWS\system32\uwbdgnbt.dll (Trojan.Vundo) -> Unloaded module successfully.
H:\WINDOWS\system32\urqQiIYq.dll (Trojan.Vundo) -> Unloaded module successfully.

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{d52b8800-5909-4fab-91d4-9adf84b69800} (Trojan.Vundo) -> Delete on reboot.
HKEY_CLASSES_ROOT\CLSID\{d52b8800-5909-4fab-91d4-9adf84b69800} (Trojan.Vundo) -> Delete on reboot.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\aoprndtws (Malware.Trace) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\Software\Microsoft\rdfa (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_CLASSES_ROOT\CLSID\{47551f98-cc7f-4701-a650-d7231eea60bd} (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{47551f98-cc7f-4701-a650-d7231eea60bd} (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\urqqiiyq (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\FCOVM (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RemoveRP (Trojan.Vundo) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\000000af (Trojan.Vundo) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks\{47551f98-cc7f-4701-a650-d7231eea60bd} (Trojan.Vundo) -> Quarantined and deleted successfully.

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\LSA\Authentication Packages (Trojan.Vundo) -> Data: h:\windows\system32\opnomlds -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Authentication Packages (Trojan.Vundo) -> Data: h:\windows\system32\opnomlds -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
H:\WINDOWS\system32\opnomLDs.dll (Trojan.Vundo) -> Delete on reboot.
H:\WINDOWS\system32\sDLmonpo.ini (Trojan.Vundo) -> Quarantined and deleted successfully.
H:\WINDOWS\system32\sDLmonpo.ini2 (Trojan.Vundo) -> Quarantined and deleted successfully.
H:\WINDOWS\system32\tmwggbrq.dll (Trojan.Vundo) -> Delete on reboot.
H:\WINDOWS\system32\qrbggwmt.ini (Trojan.Vundo) -> Quarantined and deleted successfully.
H:\WINDOWS\system32\uwbdgnbt.dll (Trojan.Vundo) -> Delete on reboot.
H:\WINDOWS\system32\tbngdbwu.ini (Trojan.Vundo) -> Quarantined and deleted successfully.
H:\WINDOWS\system32\urqQiIYq.dll (Trojan.Vundo) -> Delete on reboot.

#4 boopme

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Posted 18 May 2008 - 02:18 PM

Good so far. You must reboot that machine now if you haven't already.
Are things any better?

Please run these tools also.

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".

NEXT:
Download and scan with SUPERAntiSpyware Free for Home Users
  • Double-click SUPERAntiSpyware.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 and unzip them from here.)
  • Under "Configuration and Preferences", click the Preferences button.
  • Click the Scanning Control tab.
  • 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.
  • 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.
  • Click "Next" to start the scan. Please be patient while it scans your computer.
  • 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".
  • 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 markgui

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Posted 18 May 2008 - 02:33 PM

Things are much better now. Thank you very much. Very timely response, easy to follow instructions. Yall rock dude
:thumbsup: Thanks for the links to the antispyware software as well. Have a great day!

#6 boopme

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Posted 18 May 2008 - 03:01 PM

Thanks and you're welcome.
Now you should Set 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 System Restore is a protected directory, your tools can not access it to delete these bad files which sometimes can reinfect your system. 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.
  • Then go to Start > Run and type: Cleanmgr
  • Click "OK".
  • Click the "More Options" Tab.
  • Click "Clean Up" in the System Restore section to remove all previous restore points except the newly created one.

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 markgui

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Posted 18 May 2008 - 03:35 PM

Thanks, it's done. I truly appreciate all your assistance. :thumbsup:




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