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Virus/trojan Infection


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#1 desone

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Posted 12 December 2007 - 09:07 PM

Hi,
I guess my friend's laptop was infected by virus/trojan. I had used the online antispyware function in www.ca.com to scan the laptop. It found Nuvens, Puper, Annoyance Fanahr A, RAT F17 1.4b virus/trojans. Next, I installed AVG antispyware in safe mode and ran it. I removed some trojans (I don't know what they were; forgot to write them down). However, I still couldn't get back the control panel, desktop icons, properties window of an item in Windows Explorer ....

Pls help!!!

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#2 quietman7

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Posted 12 December 2007 - 10:07 PM

If your using Win XP or 2000, please print out and follow the generic instructions for using "SmitfraudFix".
(If you have downloaded SmitfraudFix previously, please delete that version and download it again as the tool is frequently updated!)
-- If the tool fails to launch from the Desktop, please move smitfraudFix.exe to the root of the system drive (usually C:\), and run it from there.

Please download ATF Cleaner by Atribune & save it to your desktop. DO NOT use yet.
Please download and install 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 and unzip into the program's folder.)
  • Under "General and Startup", make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • 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 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".

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".

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.

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#3 desone

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Posted 12 December 2007 - 10:50 PM

Hi quiteman7,
I managed to follow your steps upto download SuperAntiSpyware.exe. This exe was downloaded without problem. However, when I tried to install the program, a message popped up to stop me from installation. The message title is Windows Installer, message body "The system administrator has set policies to prevent this installation." (PS. My user account have administator right on this machine. Also, this machine is running Windows XP Home Edition)

Thanks for your help so far.

#4 desone

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Posted 12 December 2007 - 11:24 PM

I didn't know why. I tried to install SuperAntiSpyware ind Safe Mode but failed. (as I mentioned in the message before) But I could install the software without any problem in Normal Mode. Anyway, I am now following the rest of steps you had told me before. The machine is now doing scanning by SuperAntiSpyware in Safe Mode.

#5 quietman7

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Posted 13 December 2007 - 06:33 AM

As you figured out, you need to install SAS in normal mode before using. Post the results of the scan when done.
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#6 desone

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Posted 13 December 2007 - 06:10 PM

The log from SuperAntiSpyware is as below:

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

Generated 12/14/2007 at 10:22 AM

Application Version : 3.9.1008

Core Rules Database Version : 3360
Trace Rules Database Version: 1359

Scan type : Complete Scan
Total Scan Time : 00:28:20

Memory items scanned : 189
Memory threats detected : 0
Registry items scanned : 6371
Registry threats detected : 0
File items scanned : 29738
File threats detected : 0

#7 quietman7

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Posted 13 December 2007 - 08:06 PM

Nothing found, that's a good sign. Are you having any more problems or signs of malware?
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#8 desone

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Posted 13 December 2007 - 08:44 PM

Yes, several things:
1. Task Manager was disabled. Everytimes I tried to open Task Manager by using crtl-alt-del, a message was shown up - Task Manager has been disabled by your administrator. Task Manager also greyed out if I tried to access it through right-click on Task Bar.

2. There was a message came up everytime when I started/re-started the laptop - Title: C:\windows\system32\USERXP.exe; Message body: Windows cannot find 'C:\windows\system32\USERXP.exe'.

3. right-click on any item in Windows Explorer won't show the context menu

4. Control Panel missing/disappear from Start menu. I could not get it by any mean.

5. Command Prompt was disabled by administrator. (As before, I have admin right)

6. I could not bring up the Property window of Task Bar. The message was: This operation has been cancelled due to restrictions in effect on this computer.

7. Desktop icons was all disappeared

The laptop uses Win XP Home.

Thanks

#9 desone

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Posted 14 December 2007 - 04:40 AM

Hi all,
Can anyone help me on fixing those problems? TIA

#10 quietman7

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Posted 14 December 2007 - 05:50 AM

Please download MsnCleaner.zip and save to you Desktop.
  • Extract (unzip) the file to your desktop. (click here if your not sure how to do this) but DO NOT use it yet.
  • Reboot your computer in "Safe Mode" using the F8. 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 boot menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".
  • Double-click MsnCleaner.exe to run the tool.
  • Click the "Analyze" button.
  • A report will be created after the scan and will be saved to C:\MsnCleaner.txt.
  • If it finds an infection, click the "Deleted" button.
  • Reboot normally and post the contents of MsnCleaner.txt in your next reply.
Please download SDFix by AndyManchesta and save it to your desktop.
alternate download
When using this tool, you must use the Administrator's account or an account with "Administrative rights"
  • Double click SDFix.exe and it will extract the files to %systemdrive%
  • (this is the drive that contains the Windows Directory, typically C:\SDFix).
  • DO NOT use it 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".

Open the SDFix folder and double click RunThis.bat to start the script.
  • Type Y to begin the cleanup process.
  • It will remove any Trojan Services or Registry Entries found then prompt you to press any key to Reboot.
  • Press any Key and it will restart the PC.
  • When the PC restarts, the Fixtool will run again and complete the removal process then display Finished, press any key to end the script and load your desktop icons.
  • Once the desktop icons load, the SDFix report will open on screen and also save a copy into the SDFix folder as Report.txt.
  • Copy and paste the contents of Report.txt in your next reply.
-- If this error message is displayed when running SDFix: "The command prompt has been disabled by your administrator. Press any key to continue..."
Please go to Start Menu > Run > and copy/paste the following line:
%systemdrive%\SDFix\apps\swreg IMPORT %systemdrive%\SDFix\apps\Enable_Command_Prompt.reg
Press Ok and then run SDFix again.

-- If the Command Prompt window flashes on then off again on XP or Win 2000, please go to Start Menu > Run > and copy/paste the following line:
%systemdrive%\SDFix\apps\FixPath.exe /Q
Reboot and then run SDFix again.

-- If SDFix still does not run, check the %comspec% variable. Right-click My Computer > click Properties > Advanced > Environment Variables and check that the ComSpec variable points to cmd.exe.
%SystemRoot%\system32\cmd.exe


Reports/logs to post in your next reply:
* Report.txt <- SDFix report
* MsnCleaner.txt
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#11 desone

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Posted 15 December 2007 - 04:57 AM

Report.txt:


SDFix: Version 1.118

Run by Test on 15/12/2007 at 22:37

Microsoft Windows XP [Version 5.1.2600]

Running From: C:\lst\SDFix\SDFix

Safe Mode:
Checking Services:


Restoring Windows Registry Values
Restoring Windows Default Hosts File

Rebooting...


Normal Mode:
Checking Files:

Trojan Files Found:

C:\WINDOWS\system32\.exe - Deleted
C:\WINDOWS\antiv.exe - Deleted
C:\WINDOWS\system32\.exe - Deleted
C:\WINDOWS\system32\drivers\etc\BackupHosts.bak - Deleted




Removing Temp Files...

ADS Check:

C:\WINDOWS
No streams found.

C:\WINDOWS\system32
No streams found.

C:\WINDOWS\system32\svchost.exe
No streams found.

C:\WINDOWS\system32\ntoskrnl.exe
No streams found.



Final Check:

catchme 0.3.1262.1 W2K/XP/Vista - rootkit/stealth malware detector by Gmer, http://www.gmer.net
Rootkit scan 2007-12-15 22:41:42
Windows 5.1.2600 Service Pack 2 FAT NTAPI

scanning hidden processes ...

scanning hidden services ...

scanning hidden autostart entries ...

scanning hidden files ...

scan completed successfully
hidden processes: 0
hidden services: 0
hidden files: 0


Remaining Services:
------------------



Authorized Application Key Export:

[HKEY_LOCAL_MACHINE\system\currentcontrolset\services\sharedaccess\parameters\firewallpolicy\standardprofile\authorizedapplications\list]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"
"C:\\Program Files\\Logitech\\Desktop Messenger\\8876480\\Program\\LogitechDesktopMessenger.exe"="C:\\Program Files\\Logitech\\Desktop Messenger\\8876480\\Program\\LogitechDesktopMessenger.exe:*:Enabled:Logitech Desktop Messenger"
"C:\\Program Files\\Skype\\Phone\\Skype.exe"="C:\\Program Files\\Skype\\Phone\\Skype.exe:*:Enabled:Skype"

[HKEY_LOCAL_MACHINE\system\currentcontrolset\services\sharedaccess\parameters\firewallpolicy\domainprofile\authorizedapplications\list]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"
"C:\\Program Files\\Logitech\\Desktop Messenger\\8876480\\Program\\LogitechDesktopMessenger.exe"="C:\\Program Files\\Logitech\\Desktop Messenger\\8876480\\Program\\LogitechDesktopMessenger.exe:*:Enabled:Logitech Desktop Messenger"

Remaining Files:
---------------

File Backups: - C:\lst\SDFix\SDFix\backups\backups.zip

Files with Hidden Attributes:

Tue 27 Dec 2005 1,024 ...HR --- "C:\WINDOWS\system32\NTICDMK7.dll"
Tue 27 Dec 2005 1,024 ...HR --- "C:\WINDOWS\system32\NTIMPEG2.dll"
Tue 27 Dec 2005 1,024 ...HR --- "C:\WINDOWS\system32\NTIMP3.dll"
Tue 27 Dec 2005 1,024 ...HR --- "C:\WINDOWS\system32\NTIFCD3.dll"
Tue 27 Dec 2005 1,024 ...HR --- "C:\WINDOWS\system32\NTIBUN4.dll"
Thu 14 Sep 2006 4,348 A.SH. --- "C:\Documents and Settings\All Users\DRM\DRMv1.bak"
Tue 21 Oct 2003 73,688 ..SHR --- "C:\Program Files\Autodesk\Autodesk Express Viewer\Setup.exe"
Sun 25 Jan 2004 5,120 A.SHR --- "C:\Program Files\Autodesk\Autodesk Express Viewer\_Setupx.dll"
Fri 19 Oct 2007 0 A..H. --- "C:\WINDOWS\SoftwareDistribution\Download\fe95c915e785c18bf9cc0792fb5a73df\BIT2.tmp"
Sat 9 Sep 2006 729,600 ...H. --- "C:\Documents and Settings\chris\Application Data\Microsoft\Word\~WRL2336.tmp"
Sat 9 Sep 2006 730,112 ...H. --- "C:\Documents and Settings\chris\Application Data\Microsoft\Word\~WRL1872.tmp"
Sat 9 Sep 2006 731,136 ...H. --- "C:\Documents and Settings\chris\Application Data\Microsoft\Word\~WRL2166.tmp"
Sat 9 Sep 2006 730,112 ...H. --- "C:\Documents and Settings\chris\Application Data\Microsoft\Word\~WRL1387.tmp"
Thu 14 Sep 2006 757,248 ...H. --- "C:\Documents and Settings\chris\Application Data\Microsoft\Word\~WRL0004.tmp"
Thu 14 Sep 2006 757,760 ...H. --- "C:\Documents and Settings\chris\Application Data\Microsoft\Word\~WRL3598.tmp"

Finished!

MsnCleaner.txt:

- Logfile MSNCleaner 1.4.8 by www.forospyware.com
- Created Logfile: 15/12/2007 on 21:46:01
- Operative System: Windows XP
- Boot mode: Safe mode with network support
_________________________________________

Detected files: 0
Deleted file: 0
Undeleted Files: 0

<<<<<<< No file found >>>>>>>

Please noted that I had run MSNCleaner twice, the paste report above is for the 2nd run. The first run actually had found C:\Windows\system32\desktop.exe and I had clicked Delete to remove it.



Thanks.

#12 quietman7

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Posted 15 December 2007 - 07:33 AM

How is the computer running now? Any more malware issues going on?

Please note that one or more of the identified infections was a backdoor Trojan. Backdoor Trojans, IRCBots and Infostealers are very dangerous because they provide a means of accessing a computer system that bypasses security mechanisms and steal sensitive information like passwords, personal and financial data which they send back to the hacker. Remote attackers use backdoor Trojans as part of an exploit to to gain unauthorized access to a computer and take control of it without your knowledge. Read the Danger: Remote Access Trojans.

If the computer was used for online banking, has credit card information or other sensitive data on it, all passwords should be changed immediately to include those used for banking, email, eBay and forums. You should consider them to be compromised. They should be changed by using a different computer and not the infected one. If not, an attacker may get the new passwords and transaction information. Banking and credit card institutions should be notified of the possible security breach.

Although the backdoor Trojan was identified and removed, your PC has likely been compromised and there is no way to be sure the computer can ever be trusted again. It is dangerous and incorrect to assume that because the backdoor Trojan has been removed the computer is now secure. Many experts in the security community believe that once infected with this type of malware, the best course of action is to reformat and reinstall the OS - "When should I re-format?".
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#13 barlae

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Posted 03 January 2008 - 12:13 AM

Please download MsnCleaner.zip and save to you Desktop.

  • Extract (unzip) the file to your desktop. (click here if your not sure how to do this) but DO NOT use it yet.
  • Reboot your computer in "Safe Mode" using the F8. 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 boot menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".
  • Double-click MsnCleaner.exe to run the tool.
  • Click the "Analyze" button.
  • A report will be created after the scan and will be saved to C:\MsnCleaner.txt.
  • If it finds an infection, click the "Deleted" button.
  • Reboot normally and post the contents of MsnCleaner.txt in your next reply.
Please download SDFix by AndyManchesta and save it to your desktop.
alternate download
When using this tool, you must use the Administrator's account or an account with "Administrative rights"
  • Double click SDFix.exe and it will extract the files to %systemdrive%
  • (this is the drive that contains the Windows Directory, typically C:\SDFix).
  • DO NOT use it 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".

Open the SDFix folder and double click RunThis.bat to start the script.
  • Type Y to begin the cleanup process.
  • It will remove any Trojan Services or Registry Entries found then prompt you to press any key to Reboot.
  • Press any Key and it will restart the PC.
  • When the PC restarts, the Fixtool will run again and complete the removal process then display Finished, press any key to end the script and load your desktop icons.
  • Once the desktop icons load, the SDFix report will open on screen and also save a copy into the SDFix folder as Report.txt.
  • Copy and paste the contents of Report.txt in your next reply.
-- If this error message is displayed when running SDFix: "The command prompt has been disabled by your administrator. Press any key to continue..."
Please go to Start Menu > Run > and copy/paste the following line:
%systemdrive%\SDFix\apps\swreg IMPORT %systemdrive%\SDFix\apps\Enable_Command_Prompt.reg
Press Ok and then run SDFix again.

-- If the Command Prompt window flashes on then off again on XP or Win 2000, please go to Start Menu > Run > and copy/paste the following line:
%systemdrive%\SDFix\apps\FixPath.exe /Q
Reboot and then run SDFix again.

-- If SDFix still does not run, check the %comspec% variable. Right-click My Computer > click Properties > Advanced > Environment Variables and check that the ComSpec variable points to cmd.exe.
%SystemRoot%\system32\cmd.exe


Reports/logs to post in your next reply:
* Report.txt <- SDFix report
* MsnCleaner.txt



In my laptop, "The command prompt has been disabled by your administrator. Press any key to continue" and start>run menu is disppeared, help me pls

#14 barlae

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Posted 03 January 2008 - 12:14 AM

In my laptop, "The command prompt has been disabled by your administrator. Press any key to continue" and start>run menu is disppeared, help me pls

barlae

#15 quietman7

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Posted 03 January 2008 - 08:17 AM

Welcome to BC barlae

If you have an issue or problem you would like to discuss, please start your own topic. Doing that will help to avoid the confusion that often occurs when trying to help two or more people in the same thread with different problems. Even if your problem is similar to the original poster's problem, the solution could be different based on the kind of hardware, software, system requirements, etc. you are using and the presence of other malware. Further, posting for assistance in someone else's topic is not considered proper forum etiquette.

Thanks for your cooperation.
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