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Win XP : ZBot infection?

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3 replies to this topic

#1 Ballantines


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Posted 24 October 2009 - 05:09 AM

Hello and thanks in advance for the help!

My computer is infected with a virus which doesn't want to go away!

It seems to me that it's coming from Internet explorer browser - anytime I try to open it it just takes decades to open.
Also whenever I start the computer and get to the windows screen everything is really slow for 5 minutes or so.
I also want to note that before this I've also run scans with AVG antivirus ( didn't find anything),Malwarebytes AM ( "full scan" which kept finding at every scan "malware.trace" ,"trojan.zbot" and "backdoor.bot" files for a total of 59 malwares in 2-3 days)
and Bitdefender (one full scan which some trojans viruses)

I've seen other people's posts and already gone through the steps you usually recommend :
-- Under "my computer"->tools menu->folder options
-Checked the "show hidden files and folders"
-Unchecked the Hide protected operating system files (recommended) option
-Removed the checkmark from the checkbox labeled Hide extensions for known file types
-Downloaded ATFCleaner by Atribune->Select All->Empty Selected
-Downloaded and updated MalawarebytesAntimalware run it with "perform quick scan" and saved the log (the log is just below)
-Downloaded Hijackthis and run it -> the log is below as well

Malwarebytes' Anti-Malware Log

Malwarebytes' Anti-Malware 1.41
Versione del database: 3023
Windows 5.1.2600 Service Pack 3

24/10/2009 12.53.33
mbam-log-2009-10-24 (12-53-33).txt

Malwarebytes' Anti-Malware 1.41
Database version: 3009
Windows 5.1.2600 Service Pack 3

22/10/2009 2:36:59 PM
mbam-log-2009-10-22 (14-36-59).txt

Scan type: Quick Scan
Elementi scansionati: 117447
Tempo trascorso: 27 minute(s), 2 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)

Note: It is the first time since the virus infection MalwareBytes doesn't find anything on my computer

HijackThis Log
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13.08.07, on 24/10/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
C:\Programmi\File comuni\BitDefender\BitDefender Update Service\livesrv.exe
C:\Programmi\BitDefender\BitDefender 2010\vsserv.exe
C:\Programmi\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
C:\Programmi\Virtual CD v4 SDK\system\vcssecs.exe
C:\Programmi\File comuni\Real\Update_OB\realsched.exe
C:\Programmi\Navigator Mouse\moffice.exe
C:\Programmi\Navigator Mouse\MOUSE32A.DAT
C:\Programmi\BitDefender\BitDefender 2010\bdagent.exe
C:\Programmi\BitDefender\BitDefender 2010\seccenter.exe
C:\Programmi\Mozilla Firefox\firefox.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft....k/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft....k/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft....k/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft....k/?LinkId=69157
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,C:\WINDOWS\system32\msapzd32.exe,
O2 - BHO: btorbit.com - {000123B4-9B42-4900-B3F7-F4B073EFC214} - C:\Programmi\Orbitdownloader\orbitcth.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Programmi\AVG\AVG8\avgssie.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Programmi\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programmi\Google\GoogleToolbarNotifier\5.3.4501.1418\swg.dll
O2 - BHO: Google Dictionary Compression sdch - {C84D72FE-E17D-4195-BB24-76C02E2E7C4E} - C:\Programmi\Google\Google Toolbar\Component\fastsearch_B7C5AC242193BB3E.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Programmi\Google\Google Toolbar\GoogleToolbar_32.dll
O3 - Toolbar: BitDefender Toolbar - {381FFDE8-2394-4f90-B10D-FC6124A40F8C} - C:\Programmi\BitDefender\BitDefender 2010\IEToolbar.dll
O4 - HKLM\..\Run: [Collegamento alla pagina delle proprietÓ di High Definition Audio] HDAudPropShortcut.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programmi\Java\j2re1.4.2_04\bin\jusched.exe
O4 - HKLM\..\Run: [PCMService] "c:\Apps\Powercinema\PCMService.exe"
O4 - HKLM\..\Run: [ACTIVBOARD] c:\apps\ABoard\ABoard.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\System32\NeroCheck.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Programmi\File comuni\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [FLMOFFICE4DMOUSE] C:\Programmi\Navigator Mouse\moffice.exe
O4 - HKLM\..\Run: [High Definition Audio Property Page Shortcut] HDAShCut.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [AlcWzrd] ALCWZRD.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\FILECO~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Programmi\File comuni\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [StartCCC] "C:\Programmi\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM\..\Run: [Malwarebytes Anti-Malware (reboot)] "C:\Programmi\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKLM\..\Run: [spywarefighterguard] C:\Programmi\Fighters\spywarefighter\SpywarefighterUser.exe
O4 - HKLM\..\Run: [BitDefender Antiphishing Helper] "C:\Programmi\BitDefender\BitDefender 2010\IEShow.exe"
O4 - HKLM\..\Run: [BDAgent] "C:\Programmi\BitDefender\BitDefender 2010\bdagent.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [BioniXWallpaper] "C:\games\Oh\Program Files\BioniX Wallpaper v4.60\BioniX Wallper.exe"
O4 - HKCU\..\Run: [swg] "C:\Programmi\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [BitTorrent DNA] "C:\Programmi\DNA\btdna.exe"
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Programmi\DAEMON Tools Lite\daemon.exe" -autorun
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'Default user')
O4 - Startup: CountDown.lnk = C:\Programmi\CountDown\CountDown.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Orbit.lnk = C:\Programmi\Orbitdownloader\orbitdm.exe
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Programmi\WinZip\WZQKPICK.EXE
O8 - Extra context menu item: &Download by Orbit - res://C:\Programmi\Orbitdownloader\orbitmxt.dll/201
O8 - Extra context menu item: &Grab video by Orbit - res://C:\Programmi\Orbitdownloader\orbitmxt.dll/204
O8 - Extra context menu item: Do&wnload selected by Orbit - res://C:\Programmi\Orbitdownloader\orbitmxt.dll/203
O8 - Extra context menu item: Down&load all by Orbit - res://C:\Programmi\Orbitdownloader\orbitmxt.dll/202
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\j2re1.4.2_04\bin\npjpi142_04.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\j2re1.4.2_04\bin\npjpi142_04.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: PokerStars.it - {C4046502-6524-4d87-896C-878F57D1FF07} - C:\Programmi\PokerStars.IT\PokerStarsUpdate.exe
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O14 - IERESET.INF: START_PAGE_URL=file://C:\APPS\IE\offline\it.htm
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Programmi\AVG\AVG8\avgpp.dll
O20 - AppInit_DLLs: sockspy.dll,C:\WINDOWS\system32\wedaleza.dll,C:\WINDOWS\system32\wugakuwa.dll
O20 - Winlogon Notify: avgrsstarter - C:\WINDOWS\SYSTEM32\avgrsstx.dll
O23 - Service: BitDefender Arrakis Server (Arrakis3) - BitDefender S.R.L. http://www.bitdefender.com - C:\Programmi\File comuni\BitDefender\BitDefender Arrakis Server\bin\arrakis3.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: AVG Free8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG Free8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: Crypkey License - Kenonic Controls Ltd. - C:\WINDOWS\SYSTEM32\crypserv.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe
O23 - Service: BitDefender Desktop Update Service (LIVESRV) - BitDefender S.R.L. - C:\Programmi\File comuni\BitDefender\BitDefender Update Service\livesrv.exe
O23 - Service: PTK License-FIGHTERS-18665827 - SPAMfighter - C:\Programmi\Fighters\licenseservice.exe
O23 - Service: PTK Live Update-FIGHTERS-18665827 - SPAMfighter - C:\Programmi\Fighters\updateservice.exe
O23 - Service: PTK Scanner-FIGHTERS-18665827 - SPAMfighter - C:\Programmi\Fighters\ScannerService.exe
O23 - Service: PTK SharedAccess-FIGHTERS-18665827 - SPAMfighter - C:\Programmi\Fighters\configservice.exe
O23 - Service: SmartLinkService (SLService) - - C:\WINDOWS\SYSTEM32\slserv.exe
O23 - Service: StarWind AE Service (StarWindServiceAE) - Rocket Division Software - C:\Programmi\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
O23 - Service: Virtual CD v4 Security service (SDK - Version) (VCSSecS) - H+H Software GmbH - C:\Programmi\Virtual CD v4 SDK\system\vcssecs.exe
O23 - Service: BitDefender Virus Shield (VSSERV) - BitDefender S.R.L. - C:\Programmi\BitDefender\BitDefender 2010\vsserv.exe

End of file - 10558 bytes


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#2 Noviciate


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Posted 24 October 2009 - 05:25 PM

"trojan.zbot" and "backdoor.bot" unfortunately sound the death knell for this particular installation of Windows i'm afraid. These mean that somebody in a remote location can access your PC as if they were sat in front of it, and this poses a number of problems. There is no way of knowing how many malicious files may have been dropped on your hard drive, legitimate files patched or replaced, and if security settings have been lowered to make your PC easier to infect in the future. This makes the most sensible course of action backing up any important files and then reformating and reinstalling your operating system. You should also be aware that if you use the computer for online banking or shopping that card and login details could have been compromised and you should use another PC to change what you can and monitor any accounts and cards that you have access/used to make sure that nothing is amiss. Sorry it isn't better news.
Death to the salad eaters!

#3 Ballantines


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Posted 25 October 2009 - 07:54 AM

Hi and thanks for the answer :( Luckily I'm not using my computer for online banking or shopping, but the problem is that when I purhased my comp they didn't give me a cd recovery ... (I don't know if 'cd recovery' is the right name - I'm not an English native speaker please forgive my spelling ) Three questions: -There really is no other way to eradicate the infection? -If I really have to re-format, please just tell me how to do it because I've never done it before.Can I create a clean recovery cd from my computer now( without the risk of crating an "infected " recovery cd)? -Eventually which files can I backup freely (meaning those that won't carry the infection in the re-formatted computer) ? Please let me know, I'm loooking forward your answer

#4 Noviciate


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Posted 25 October 2009 - 01:14 PM

It's possible that your hard drive holds the data necessary to carry out the task in a hidden partition. If you start a new thread here the nice people ion this section of the forum should be able to guide you through things.

Documents and images are usually OK to transfer over, as are most executable (.exe) files, but I would scan them all with your anti-virus program before transferring them to your clean PC, just to be sure.
Death to the salad eaters!

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