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I have windows xp sp2 and norton antivirus 2005 and the virus definitions are fully updated.

Starting last week, Norton pop up boxes have come up saying it detected "backdoor.trojan" in the file " C:\Documents and Settings\Jason Richman\Local Settings\Temporary Internet Files\Content.IE5\V01S1H8Y\cao[1].exe " and that it couldnt repair it. Then it says it can't quarantine it and than says it cant delete it.

When I run a virus scan in normal and even safe mode, norton doesn't even detect anything. But when I go into nortons "activity log" it lists this file as a backdoor.trojan every time i boot the computer. Ive even turned of sytem restore, manually found the file and deleted it myself, but it always comes back new everytime I boot the computer up.

Since this first happened a week ago, my computer has been acting weird such as: Every time I booted the computer up, a "toshiba power saver properties" box would pop up 50 times in a row and wouldnt stop until I finally disabled it from the startup menu. Also, the windows clock on my taskbar is always wrong and no balloon tips pop up anymore. Lastly, the computer would not let me show "hidden files" until I figured out how to change this in the registry.

Any help would be appreciated.

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Last Post by humano
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I have a feeling I may regret this, but...
==download hijackthis: http://www.majorgeeks.com/download5554.html
-copy it to a new FOLDER either alongside your program files or on your desktop.
==GET AVG antispyware 7.5 here.. http://free.grisoft.com/doc/5390/lng/us/tpl/v5
or here.. http://free.grisoft.com/freeweb.php/doc/5390/lng/us/tpl/v5#avg-anti-spyware-free
-Install it and UPDATE it.
Start AVG a-s 7.5;
-under Scanner/ Settings please change the default action from Recommended Actions to QUARANTINE, and run the complete system scan.
-press Apply all Actions and Save the log file. Post the log file.

=start HijackThis by dclicking the .exe; now close ALL other applications and any open windows including the explorer window containing HijackThis.
-click the Scan and Save a Logfile button. Post the log here.

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I ran avg antispyware 7.5. It only found 24 "tracking cookies" and nothing else. Sorry I didn't see a log to display for some reason.

Here is the highjack this log:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 9:21:40 PM, on 12/12/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16574)
Boot mode: Normal

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:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\TOSHIBA\TOSHIBA Controls\TFncKy.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\igfxtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\WINDOWS\ehome\ehtray.exe
C:\Program Files\Toshiba\Toshiba Applet\thotkey.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\WINDOWS\AGRSMMSG.exe
C:\Program Files\TOSHIBA\ConfigFree\NDSTray.exe
C:\Program Files\Toshiba\Tvs\TvsTray.exe
C:\Program Files\TOSHIBA\TOSHIBA Zooming Utility\SmoothView.exe
C:\WINDOWS\system32\dla\DLACTRLW.exe
C:\Program Files\Synaptics\SynTP\Toshiba.exe
C:\toshiba\ivp\ism\pinger.exe
C:\Program Files\Intel\Wireless\bin\ZCfgSvc.exe
C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
C:\WINDOWS\system32\DVDRAMSV.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
c:\TOSHIBA\IVP\swupdate\swupdtmr.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\Program Files\TOSHIBA\TOSHIBA Applet\TAPPSRV.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\TOSHIBA\TOSCDSPD\toscdspd.exe
C:\WINDOWS\system32\RAMASST.exe
C:\Program Files\Microsoft Office\OFFICE11\ONENOTEM.EXE
C:\WINDOWS\system32\TPSBattM.exe
C:\WINDOWS\system32\dllhost.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\PROGRA~1\Intel\Wireless\Bin\Dot1XCfg.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Documents and Settings\Jason Richman\Desktop\highjack this folder\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://sportsillustrated.cnn.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://www.toshibadirect.com/dpdstart
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\System32\DLA\DLASHX_W.DLL
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [TFncKy] TFncKy.exe
O4 - HKLM\..\Run: [TDispVol] TDispVol.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM\..\Run: [THotkey] C:\Program Files\Toshiba\Toshiba Applet\thotkey.exe
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [NDSTray.exe] NDSTray.exe
O4 - HKLM\..\Run: [Tvs] C:\Program Files\Toshiba\Tvs\TvsTray.exe
O4 - HKLM\..\Run: [PadTouch] C:\Program Files\TOSHIBA\Touch and Launch\PadExe.exe
O4 - HKLM\..\Run: [SmoothView] C:\Program Files\TOSHIBA\TOSHIBA Zooming Utility\SmoothView.exe
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\DLACTRLW.exe
O4 - HKLM\..\Run: [Pinger] c:\toshiba\ivp\ism\pinger.exe /run
O4 - HKLM\..\Run: [IntelZeroConfig] "C:\Program Files\Intel\Wireless\bin\ZCfgSvc.exe"
O4 - HKLM\..\Run: [IntelWireless] "C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe" /tf Intel PROSet/Wireless
O4 - HKLM\..\Run: [MSKDetectorExe] C:\Program Files\McAfee\SpamKiller\MSKDetct.exe /uninstall
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\Run: [TPSMain] TPSMain.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [TOSCDSPD] C:\Program Files\TOSHIBA\TOSCDSPD\toscdspd.exe
O4 - Startup: Microsoft Office OneNote 2003 Quick Launch.lnk = C:\Program Files\Microsoft Office\OFFICE11\ONENOTEM.EXE
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: RAMASST.lnk = C:\WINDOWS\system32\RAMASST.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\system32\Shdocvw.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
O14 - IERESET.INF: START_PAGE_URL=http://www.toshibadirect.com/dpdstart
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/kos/eng/partner/us/kavwebscan_unicode.cab
O16 - DPF: {25365FF3-2746-4230-9DA7-163CCA318309} (Automatic Driver Installation Control) - http://inst.c-wss.com/n024p/EN/install/gtdownlr.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{D4488B73-52C3-46C9-BC53-8271CF164885}: NameServer = 66.75.164.89,66.75.164.90
O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: ConfigFree Service (CFSvcs) - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: DVD-RAM_Service - Matsushita Electric Industrial Co., Ltd. - C:\WINDOWS\system32\DVDRAMSV.exe
O23 - Service: Intel(R) PROSet/Wireless Event Log (EvtEng) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
O23 - Service: Intel(R) PROSet/Wireless Registry Service (RegSrvc) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Intel(R) PROSet/Wireless Service (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Swupdtmr - Unknown owner - c:\TOSHIBA\IVP\swupdate\swupdtmr.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: TOSHIBA Application Service (TAPPSRV) - TOSHIBA Corp. - C:\Program Files\TOSHIBA\TOSHIBA Applet\TAPPSRV.exe

--
End of file - 10416 bytes

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I got same trojan. Here's what I did to clear it up:

run Prevx CSI Free PC Check (www.prevx.com). this will tell you what files are infeceted. there should be at least one .dll file, a hidden .exe file, and then the k119...exe files as decscribed here: http://spywarefiles.prevx.com/RRFJJH044148583/K11989453621.EXE.html. write down the file name of all infected files.

reboot your computer to safe mode

open regedit and do a search for the file name (leave out .exe). write down the reg folder that the hidden .exe file belongs to. do a search for the reg folder and delete all instances of it. somtimes you won't be able. i think because trojan installed as a device. skip those and delete what reg folders you can.

delete the files Prevx CSI found. most are located in C:\windows\system32. i used the windows command line to find and delete. use "dir /H" to find hidden files. use "del /A:H file_name" to delete hidden files.

also infected are hidden auto.exe and autorun.inf files located in the root of your drives. delete those using command line as well.

the trojan is able to hop drives. so don't plug your flash drive or external drive into the machine you just cleaned. if you can plug the external drives into a Vista machine and search for the hidden auto.exe and autorun.inf. Vista
security normally asks you if you want to run auto.exe (XP doesn't) so prevents infection. just make sure you don't run auto.exe.

so far looks like the computer is cleaned up. hidden files haven't reappeared and no longer getting that symantec aleart about cao[1].exe.

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