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Embedded Object Dropper Agent


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#1
broken98

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AVG has found a Trojan horse called Dropper Agent and says it's an embedded object. This morning there were 18 objects. What now, Theses problems are happening when another user is on-line.
Help again Jonnyrotten.
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#2
Koretek

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Hi Broken,

For Johnny or anyone to help you we will need to do a few things,

go here complete steps 1-4 and post a new HJT Log for us to read!

Steps 1-4

Edited by Koretek, 23 January 2005 - 01:03 PM.

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#3
broken98

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Hi Guys, Here's a new log just completed.


Logfile of HijackThis v1.98.2
Scan saved at 3:10:13 PM, on 1/23/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Microsoft Hardware\Mouse\point32.exe
C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe
C:\Program Files\HP\HP Software Update\HPWuSchd.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\lanny\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://start.earthlink.net
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.earthlink...ton/search.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://start.earthlink.net/AL/Search
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://start.earthlink.net
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://start.earthlink.net/AL/Search
R3 - URLSearchHook: SrchHook Class - {44F9B173-041C-4825-A9B9-D914BD9DCBB3} - C:\Program Files\EarthLink TotalAccess\ElnIE.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: EarthLink Popup Blocker - {4B5F2E08-6F39-479a-B547-B2026E4C7EDF} - C:\Program Files\EarthLink TotalAccess\PnEL.dll
O2 - BHO: (no name) - {A78860C8-EE1A-46DF-A97F-E3E6D433E80B} - C:\WINDOWS\system32\x8466.dll
O3 - Toolbar: EarthLink Toolbar - {D7F30B62-8269-41AF-9539-B2697FA7D77E} - C:\Program Files\EarthLink TotalAccess\PnEL.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [POINTER] point32.exe
O4 - HKLM\..\Run: [AdaptecDirectCD] "C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe"
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\HP\HP Software Update\HPWuSchd.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [AVG7_EMC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O4 - HKLM\..\RunOnce: [4p10xa.exe] C:\WINDOWS\System32\4p10xa.exe /k
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\RunOnce: [4p10xa.exe] C:\WINDOWS\System32\4p10xa.exe /k
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn...pDownloader.cab
O18 - Protocol: cetihpz - {CF184AD3-CDCB-4168-A3F7-8E447D129300} - C:\Program Files\HP\hpcoretech\comp\hpuiprot.dll
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#4
broken98

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Hello guys I'm running windows XP. Three people in the family use
the computer, does it matter which one is logged on to obtain the Highjack log?
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#5
Koretek

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No it wont matter
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#6
Koretek

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Hi Broken,

Download Spybot, install and update. Then download Ad-aware,
install, and update.
Both can be found with the download link in my signature!
Spybot:

Install the program and launch it.

Go to Start > Programs >Spybot > Search & Destroy and choose

Spybot S&D

Close ALL windows except Spybot S&D
Click the button to "Search for Updates" and download and

install the Updates.
Next click the button "Check for Problems"
When Spybot is complete, it will be showing "RED" entries "BLACK" entries and "GREEN" entries in the

window
Put a check mark beside the RED entries ONLY.
Choose "Fix Selected Problems" and allow Spybot to fix the

RED entries.

Ad-Aware FULL SCAN:

Install the program and launch it.

First in the main window look in the bottom right corner and

click on Check for updates now then click Connect and

download the latest reference files.

From main window :Click Start then under Select a scan Mode

check Perform full system scan.
Next deselect Search for negligible risk entries.
Now to scan just click the Next button.

When the scan is finished mark everything for removal and

get rid of it.(Right-click the window and choose select all

from the drop down menu and click Next)


Download and run the TD3 Anti-Trojan also found in our downloads section.
Make the necessary changes.





If thats all done then lets get to your fixes, Close all windows except HijackThis and put the check mark in these entries. Notice the 2 "04" entries there are 2 of them to be fixed!



O2 - BHO: (no name) - {A78860C8-EE1A-46DF-A97F-E3E6D433E80B} - C:\WINDOWS\system32\x8466.dll
O4 - HKLM\..\RunOnce: [4p10xa.exe] C:\WINDOWS\System32\4p10xa.exe /k
O4 - HKCU\..\RunOnce: [4p10xa.exe] C:\WINDOWS\System32\4p10xa.exe /k


Ok, now lets reboot into safe mode by restarting your computer and tapping on the f8 key lightly but continuously during the restart, you will see safe mode on the Menu that comes up. If it doesnt work the first time just try it again.

In safe mode then enable "View All Files and Folders"
by opening "My Computer" and choosing "tools" from the menu options, then select "Folder Options" and finally the "View Tab", from there you will see "Files amd Folders" and select the "enable viewing of all files".

Ok so far so good, then now delete these items in red if they exist.

C:\WINDOWS\system32\x8466.dll
C:\WINDOWS\System32\4p10xa.exe /k

Finished, now please reboot into normal mode and lets see a new log.
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#7
broken98

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Koretek, Hello I have the Adaware, AVG, Spybot, TDS3, LPSfix, and have
done as you said, here is my latest Highjack log.

Logfile of HijackThis v1.98.2
Scan saved at 8:21:53 PM, on 1/27/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Microsoft Hardware\Mouse\point32.exe
C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe
C:\Program Files\HP\HP Software Update\HPWuSchd.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Documents and Settings\lanny\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://start.earthlink.net
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.earthlink...ton/search.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://start.earthlink.net/AL/Search
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://start.earthlink.net
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://start.earthlink.net/AL/Search
R3 - URLSearchHook: SrchHook Class - {44F9B173-041C-4825-A9B9-D914BD9DCBB3} - C:\Program Files\EarthLink TotalAccess\ElnIE.dll
O1 - Hosts: 64.91.255.87 www.dcsresearch.com
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: EarthLink Popup Blocker - {4B5F2E08-6F39-479a-B547-B2026E4C7EDF} - C:\Program Files\EarthLink TotalAccess\PnEL.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: EarthLink Toolbar - {D7F30B62-8269-41AF-9539-B2697FA7D77E} - C:\Program Files\EarthLink TotalAccess\PnEL.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [POINTER] point32.exe
O4 - HKLM\..\Run: [AdaptecDirectCD] "C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe"
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\HP\HP Software Update\HPWuSchd.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [AVG7_EMC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn...pDownloader.cab
O18 - Protocol: cetihpz - {CF184AD3-CDCB-4168-A3F7-8E447D129300} - C:\Program Files\HP\hpcoretech\comp\hpuiprot.dll
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#8
Koretek

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Looks really good now! :tazz:
Nice Job

What I would do if I was you is open the Spybot search and destroy and click update and then use the immunize option, this will help keep you protected and add a nice layer of defense against this type of thing, theres a few good articles on this kinda thing here ya go!

How you got infected
Read this


Great Article on prevention of spyware/malware
Read this also! : )


Also grab the latest updates for security and all microsoft related programs and software.
get your Windows security updates!!

Go In Peace! ;)



:thumbsup: :cheers:

Edited by Koretek, 27 January 2005 - 08:47 PM.

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