Trojan appears to launch a program called win32.Difisim!downloader from
two locations: C:\WINDOWS\system32\chisel.exe
and
\Local Settings\Temporary Internet Files\content.IE5\89ABCDEF\MSLO7
[1].exe
Even though I have tried a number of programs to identify and eleminate
the problem, it persists. ETrust EZAntivirus is able to identify
win32.Difisim!downloader when it launches, and identifies the source.
And, EZAntivirus says that it has quarantined or deleted the program,
but it keeps reappearing.
Thus far I have tried the following programs without success:
Microsoft Antispy (beta)
Spyware Doctor
AdAware SE Personal
eTrust Pest Control
PConPoint
SpyBot Search and Distroy
Registry Mechanic
All fail to identify the Trojan or eliminate it. I have Downloaded and
run Hijack This, but I am afraid to make alterations in the registry
without knowing what I am doing. Below is my registry. Do you have any suggestions? This thing is nerve-wracking. EZ Antivirus keeps identifying it, says it is destroyed, then it reappears a few minutes later.
Logfile of HijackThis v1.99.1
Scan saved at 6:14:28 PM, on 8/16/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\GWMDMMSG.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\GWHotKey.exe
C:\windows\system32\mdms.exe
C:\Program Files\Iomega\DriveIcons\ImgIcon.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Iomega\AutoDisk\ADUserMon.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVTray.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVRID.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust Anti-Spam\QSP-2.1.215.5\QOELoader.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Messenger\msmsgs.exe
C:\PROGRA~1\SPYWAR~1\swdoctor.exe
C:\Program Files\HistoryKill\hkPopupKiller.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\Program Files\palmOne\Hotsync.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\WINDOWS\system32\svchost.exe
C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\ISafe.exe
C:\PROGRA~1\Iomega\System32\AppServices.exe
C:\Program Files\Iomega\AutoDisk\ADService.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\Explorer.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\VetMsg.exe
C:\Program Files\Windows Media Player\wmplayer.exe
C:\Program Files\HistoryKill\histkill.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAV.exe
C:\Program Files\hijack\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.rr.com/flash/index.cfm
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = www.rr.com/flash/index.cfm
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~1\tools\iesdsg.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O4 - HKLM\..\Run: [GWMDMMSG] GWMDMMSG.exe
O4 - HKLM\..\Run: [GWMDMpi] C:\WINDOWS\GWMDMpi.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [Multi-function Keyboard] GWHotKey.exe
O4 - HKLM\..\Run: [SysMemory manager] c:\windows\system32\mdms.exe
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [HistoryKill] C:\Program Files\HistoryKill\histkill.exe /startup
O4 - HKLM\..\Run: [Iomega Drive Icons] C:\Program Files\Iomega\DriveIcons\ImgIcon.exe
O4 - HKLM\..\Run: [Deskup] C:\Program Files\Iomega\DriveIcons\deskup.exe /IMGSTART
O4 - HKLM\..\Run: [ADUserMon] C:\Program Files\Iomega\AutoDisk\ADUserMon.exe
O4 - HKLM\..\Run: [Iomega Automatic Backup 1.0.1] C:\Program Files\Iomega\Iomega Automatic Backup\ibackup.exe
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Firewall\ca.exe"
O4 - HKLM\..\Run: [CaAvTray] "C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVTray.exe"
O4 - HKLM\..\Run: [CAVRID] "C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVRID.exe"
O4 - HKLM\..\Run: [QOELOADER] "C:\Program Files\CA\eTrust EZ Armor\eTrust Anti-Spam\QSP-2.1.215.5\QOELoader.exe"
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Spyware Doctor] C:\PROGRA~1\SPYWAR~1\swdoctor.exe /Q
O4 - HKCU\..\Run: [HistoryKill] C:\Program Files\HistoryKill\histkill.exe /startup
O4 - HKCU\..\Run: [Iomega Automatic Backup] C:\Program Files\Iomega\Iomega Automatic Backup\ibackup.exe
O4 - Global Startup: BTTray.lnk = ?
O4 - Global Startup: HotSync Manager.lnk = C:\Program Files\palmOne\Hotsync.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Send To &Bluetooth - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O9 - Extra button: @btrez.dll,-4015 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra 'Tools' menuitem: @btrez.dll,-4017 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
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
O12 - Plugin for .mpg: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin3.dll
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft....k/?linkid=39204
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: Bluetooth Service (btwdins) - WIDCOMM, Inc. - C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
O23 - Service: CAISafe - Computer Associates International, Inc. - C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\ISafe.exe
O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe
O23 - Service: VET Message Service (VETMSGNT) - Computer Associates International, Inc. - C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\VetMsg.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs Inc. - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: Iomega Active Disk (_IOMEGA_ACTIVE_DISK_SERVICE_) - Iomega Corporation - C:\Program Files\Iomega\AutoDisk\ADService.exe
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