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trojan horse downloader.agent2.kso


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#1 lonesome28

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Posted 07 October 2009 - 07:25 PM

how do i remove trojan horse downloader.agent2.kso it shows that it is whie listed on my c drive.

Edited by lonesome28, 07 October 2009 - 07:39 PM.


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#2 Budapest

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Posted 07 October 2009 - 08:17 PM

Please download Malwarebytes Anti-Malware 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.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#3 lonesome28

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Posted 07 October 2009 - 08:34 PM

i have already tried this and it didn't solve it.

#4 Budapest

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Posted 07 October 2009 - 09:04 PM

Please post the log.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#5 lonesome28

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Posted 10 October 2009 - 09:34 AM

"C:\WINDOWS\system32\userinit.exe";"Trojan horse Downloader.Agent2.KSO";"Object is white-listed (critical/system file that should not be removed)"

#6 lonesome28

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Posted 11 October 2009 - 10:58 AM

I have ran malwarebytes,ad-ware,avg,and windows defender. Avg is the only one picking it up and it only picks it up when one of the other scanner programs runs. It is telling me that it is white list and it can not be removed. Since this infection it will not let me do auto update's on windows defender. I tried to manually update and it will not let me do it that way either. Malwarebytes' Anti-Malware 1.41
Database version: 2939
Windows 5.1.2600 Service Pack 3

10/11/2009 11:12:09 AM
mbam-log-2009-10-11 (11-12-09).txt

Scan type: Full Scan (C:\|D:\|E:\|F:\|G:\|H:\|)
Objects scanned: 149851
Time elapsed: 57 minute(s), 3 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)

#7 boopme

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Posted 11 October 2009 - 03:30 PM

Next run ATF and SAS:
Note.. SAS doesn't open the registry hives for other user accounts on the system, so scans should be done from each user account.

Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

From your regular user account..
Download Attribune's ATF Cleaner and then SUPERAntiSpyware , Free Home Version. Save both to desktop ..
DO NOT run yet.
Open SUPER from icon and install and Update it
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 yet.

Now reboot into Safe Mode: How to enter safe mode(XP)
Using the F8 Method
Restart your computer.
When the machine first starts again it will generally list some equipment that is installed in your machine, amount of memory, hard drives installed etc. At this point you should gently tap the F8 key repeatedly until you are presented with a Windows XP Advanced Options menu.
Select the option for Safe Mode using the arrow keys.
Then press enter on your keyboard to boot into Safe Mode
.

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 or Opera browser click that browser 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
.

NOW Scan with SUPER
Open from the desktop icon or the program Files list
On the left, make sure you check C:\Fixed Drive.
Perform a Complete scan. After scan,Verify they are all checked.
Click OK on the summary screen to quarantine all found items.
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.


Please ask any needed questions,post logs and Let us know how the PC is running now.
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#8 lonesome28

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Posted 11 October 2009 - 04:17 PM

thankyou i will try this and let you know what happens. :thumbsup:

#9 lonesome28

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Posted 11 October 2009 - 06:29 PM

i'm running one of my other programs now to see if my avg picks it up again. Here is what the super log showed.SUPERAntiSpyware Scan Log
http://www.superantispyware.com

Generated 10/11/2009 at 07:03 PM

Application Version : 4.29.1002

Core Rules Database Version : 4158
Trace Rules Database Version: 2085

Scan type : Complete Scan
Total Scan Time : 01:36:51

Memory items scanned : 254
Memory threats detected : 0
Registry items scanned : 4686
Registry threats detected : 0
File items scanned : 30969
File threats detected : 1

Trojan.Dropper/UserInit-Fake
C:\WINDOWS\SYSTEM32\USERINIT.EXE

#10 Budapest

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Posted 11 October 2009 - 06:35 PM

I have read that uninstalling and then reinstalling SP3 will clear up this C:\WINDOWS\SYSTEM32\USERINIT.EXE problem.
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#11 lonesome28

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Posted 11 October 2009 - 06:39 PM

Thanx budapest if what i have tried from boopme dose not work i'll try that.




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