Zlob.BYW Trojan Removal

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Von Theron

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Yesterday evening i decided to run BitDefender overnight. This morning i check the scan and Zlob.BYW trojan was detected Under the file name a.exe. Bitdefender couldn't remove it so it was quarantined. I just finished doing the 4 step removal guide. I keep my computer very clean with avg and adaware scans weekly. I have zonealarm firewall on all the time, and from some research i find that Zlob is a backdoor trojan. How do i get rid of it?

Here is a Hijackthis log if needed.

Logfile of HijackThis v1.99.1
Scan saved at 12:14:27 PM, on 12/1/2007
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\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\spoolsv.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\WINDOWS\system32\ZoneLabs\isafe.exe
C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\NVIDIA\NetworkAccessManager\bin\nSvcIp.exe
C:\NVIDIA\NetworkAccessManager\bin\nSvcLog.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\Program Files\Java\jre1.6.0_03\bin\jusched.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Firewall\ca.exe
C:\Program Files\Softwin\BitDefender8\bdmcon.exe
C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\Program Files\Softwin\BitDefender8\bdnagent.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\Common Files\Softwin\BitDefender Communicator\xcommsvr.exe
C:\Program Files\Canon\CAL\CALMAIN.exe
C:\Program Files\SpyCatcher\Protector.exe
C:\Program Files\Common Files\Softwin\BitDefender Scan Server\bdss.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\Program Files\Grisoft\AVG7\avgcc.exe
C:\Program Files\SpyCatcher\Scheduler daemon.exe
C:\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = MSN.com
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: SpywareBlock Class - {0A87E45F-537A-40B4-B812-E2544C21A09F} - C:\Program Files\SpyCatcher\SCActiveBlock.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\Run: [BDMCon] "C:\Program Files\Softwin\BitDefender8\bdmcon.exe"
O4 - HKLM\..\Run: [BDNewsAgent] "C:\Program Files\Softwin\BitDefender8\bdnagent.exe"
O4 - HKLM\..\Run: [SpyCatcher Reminder] C:\Program Files\SpyCatcher\SpyCatcher.exe reminder
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - Startup: Scheduler.lnk = C:\Program Files\SpyCatcher\Scheduler daemon.exe
O4 - Global Startup: SpyCatcher Protector.lnk = C:\Program Files\SpyCatcher\Protector.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.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: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1157361634625
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1157361865140
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - AppInit_DLLs: secuload.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Common Files\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: CA ISafe (CAISafe) - Computer Associates International, Inc. - C:\WINDOWS\system32\ZoneLabs\isafe.exe
O23 - Service: Canon Camera Access Library 8 (CCALib8) - Canon Inc. - C:\Program Files\Canon\CAL\CALMAIN.exe
O23 - Service: DNADownloader - Unknown owner - C:\Program Files\GameSpot\DownloadManager_Win32.exe (file missing)
O23 - Service: Forceware Web Interface (ForcewareWebInterface) - Unknown owner - C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe" -k runservice (file missing)
O23 - Service: iPod Service - Unknown owner - C:\Program Files\iPod\bin\iPodService.exe (file missing)
O23 - Service: lxcc_device - Lexmark International, Inc. - C:\WINDOWS\system32\lxcccoms.exe
O23 - Service: ForceWare IP service (nSvcIp) - Unknown owner - C:\NVIDIA\NetworkAccessManager\bin\nSvcIp.exe
O23 - Service: ForceWare user log service (nSvcLog) - Unknown owner - C:\NVIDIA\NetworkAccessManager\bin\nSvcLog.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs Inc. - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Program Files\Common Files\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)
 
I downloaded Avg anti-virus and then i took out the zlob.byw from bitdefenders quarantine. Avg automatically detected it and healed it i think but im not sure. By removing the following that you told me, what exactly will it improve. Im worried that there might be leftover infected files etc. Please let me know what else i can do, before i do a reinstall...

Thanks
Von


Logfile of HijackThis v1.99.1
Scan saved at 4:32:55 PM, on 12/2/2007
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\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\spoolsv.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\WINDOWS\system32\ZoneLabs\isafe.exe
C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\NVIDIA\NetworkAccessManager\bin\nSvcIp.exe
C:\WINDOWS\Explorer.EXE
C:\NVIDIA\NetworkAccessManager\bin\nSvcLog.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\Program Files\Common Files\Softwin\BitDefender Communicator\xcommsvr.exe
C:\Program Files\Canon\CAL\CALMAIN.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\Program Files\Softwin\BitDefender8\bdmcon.exe
C:\Program Files\Softwin\BitDefender8\bdnagent.exe
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\Program Files\SpyCatcher\Protector.exe
C:\Program Files\SpyCatcher\Scheduler daemon.exe
C:\Program Files\Common Files\Softwin\BitDefender Scan Server\bdss.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = MSN.com
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: SpywareBlock Class - {0A87E45F-537A-40B4-B812-E2544C21A09F} - C:\Program Files\SpyCatcher\SCActiveBlock.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\Run: [BDMCon] "C:\Program Files\Softwin\BitDefender8\bdmcon.exe"
O4 - HKLM\..\Run: [BDNewsAgent] "C:\Program Files\Softwin\BitDefender8\bdnagent.exe"
O4 - HKLM\..\Run: [SpyCatcher Reminder] C:\Program Files\SpyCatcher\SpyCatcher.exe reminder
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - Startup: Scheduler.lnk = C:\Program Files\SpyCatcher\Scheduler daemon.exe
O4 - Global Startup: SpyCatcher Protector.lnk = C:\Program Files\SpyCatcher\Protector.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.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: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1157361634625
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1157361865140
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - AppInit_DLLs: secuload.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Common Files\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: CA ISafe (CAISafe) - Computer Associates International, Inc. - C:\WINDOWS\system32\ZoneLabs\isafe.exe
O23 - Service: Canon Camera Access Library 8 (CCALib8) - Canon Inc. - C:\Program Files\Canon\CAL\CALMAIN.exe
O23 - Service: DNADownloader - Unknown owner - C:\Program Files\GameSpot\DownloadManager_Win32.exe (file missing)
O23 - Service: Forceware Web Interface (ForcewareWebInterface) - Unknown owner - C:\NVIDIA\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe" -k runservice (file missing)
O23 - Service: iPod Service - Unknown owner - C:\Program Files\iPod\bin\iPodService.exe (file missing)
O23 - Service: lxcc_device - Lexmark International, Inc. - C:\WINDOWS\system32\lxcccoms.exe
O23 - Service: ForceWare IP service (nSvcIp) - Unknown owner - C:\NVIDIA\NetworkAccessManager\bin\nSvcIp.exe
O23 - Service: ForceWare user log service (nSvcLog) - Unknown owner - C:\NVIDIA\NetworkAccessManager\bin\nSvcLog.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs Inc. - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Program Files\Common Files\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)
 
I'm not seeing any issues, but i took a look at the avg virus vault and the trojan is in there. Avg details Healable = No/Source= Back up copy/Status= Infected. As long as the Trojan is in the vault will my computer be ok?
 
Delete the backup copy or any thing that shows the virus, close AVG and open backup and see if its still in there
 
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