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Trojan Downloader Js Agent Cnn


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7 replies to this topic

#1 Yoseikan

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Posted 08 September 2008 - 02:55 PM

Hello

2 days ago my pc was infected by antivirus xp 2008. I was able to get rid of the malware but the latest kapersky virus scan still shows that some files are infected by trojan downloader Js agent cnn.I got rid of the one in the temp files but the one in the system 32 are still there.I was thinking using Combo fix but do not know if this will help. The following is the Kaspersky scan log as of last nite. Am really infected ?

Any advise will be appreciated.Thank you.

ASPERSKY ONLINE SCANNER 7 REPORT
Sunday, September 7, 2008
Operating System: Microsoft Windows XP Home Edition Service Pack 3 (build 2600)
Kaspersky Online Scanner 7 version: 7.0.25.0
Program database last update: Sunday, September 07, 2008 20:16:41
Records in database: 1200857
--------------------------------------------------------------------------------

Scan settings:
Scan using the following database: extended
Scan archives: yes
Scan mail databases: yes

Scan area - My Computer:
C:\
D:\
E:\

Scan statistics:
Files scanned: 123780
Threat name: 2
Infected objects: 17
Suspicious objects: 0
Duration of the scan: 01:40:37


File name / Threat name / Threats count
C:\Documents and Settings\Nadia Laroussi\Local Settings\Temporary Internet Files\Content.IE5\B2C5IWV4\dl_proxy[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\Documents and Settings\Nadia Laroussi\Local Settings\Temporary Internet Files\Content.IE5\K2W0C772\dashboard_aim_com[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\Documents and Settings\Nadia Laroussi\Local Settings\Temporary Internet Files\Content.IE5\KJ3Y59ZF\dashboard_aim_com[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\Documents and Settings\Nadia Laroussi\Local Settings\Temporary Internet Files\Content.IE5\RBS7QMNB\dl_proxy[2].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\Documents and Settings\Nadia Laroussi\Local Settings\Temporary Internet Files\Content.IE5\Z1K3V8O0\dashboard_aim_com[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\Documents and Settings\Nadia Laroussi\Local Settings\Temporary Internet Files\Content.IE5\Z1K3V8O0\dl_proxy[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\Program Files\Common Files\aolback\Comps\toolbar\toolbr.exe Infected: not-a-virus:AdWare.Win32.SearchIt.t 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\917UEBDY\ac[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\917UEBDY\ac[3].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\917UEBDY\jump1[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\AIC1RZJF\jump1[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\BN0P3BV3\ac[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\BN0P3BV3\jump1[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\TMWYAG7Y\ac[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\TMWYAG7Y\ac[2].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\TMWYAG7Y\default[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1
C:\WINDOWS\SYSTEM32\CONFIG\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\TMWYAG7Y\jump1[1].htm Infected: Trojan-Downloader.JS.Agent.cnn 1

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#2 rigel

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Posted 08 September 2008 - 08:19 PM

Please do not use ComboFix unless instructed to do so by a HJT tech - Please note the message in Blue above ^^^

Let's start with a MalwareBytes scan.

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.
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. Reagardless 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.

"In a world where you can be anything, be yourself." ~ unknown

"Fall in love with someone who deserves your heart. Not someone who plays with it. Will Smith


#3 Yoseikan

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Posted 12 September 2008 - 02:14 PM

Hi,

thank you for answering my post.Since nobbody was able to help me .I took some action and resolved i think the issue.I was able to get rid off the trojan downloader JS agent by downloading Kaspersky antivirus 2009 which cleaned the infected files.New report from the antivirus shows no existing infection. I run several scan making sure there are always clean.I used malwarebytes to get rid of antivirus xp 2008 .I kept running the antimalware also everyday,but evrything seems to be clean.I think the issue was resolved.Thank you again for your help.If you have any comments please let me know. Also I reinstalled new version of java, flushed the restore settings.Anything else i should do ?

Sam

#4 boopme

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Posted 12 September 2008 - 08:58 PM

Did the last MBam scan come back all 0's?
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#5 Yoseikan

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Posted 15 September 2008 - 05:53 PM

Yes it did and since then I run a scan evry other day all are showing zero negative activity...

#6 rigel

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Posted 15 September 2008 - 06:56 PM

Since nobbody was able to help me .I took some action and resolved i think the issue.


If you wish to continue, I suggest following this procedure... just to see if anything is hanging around.

Please download ATF Cleaner by Atribune & save it to your desktop.
alternate download link 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 the "Configuration and Preferences", 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".

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.

"In a world where you can be anything, be yourself." ~ unknown

"Fall in love with someone who deserves your heart. Not someone who plays with it. Will Smith


#7 Yoseikan

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Posted 21 September 2008 - 07:41 PM

Thanks for your help.Superantispyware and ATF cleaner are showing normal activity. Thanks again.

#8 rigel

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Posted 21 September 2008 - 09:49 PM

You are welcome :thumbsup:

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.
  • 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.

"In a world where you can be anything, be yourself." ~ unknown

"Fall in love with someone who deserves your heart. Not someone who plays with it. Will Smith





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