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persistent viruses/backdoor trojans. please help!!

Discussion in 'Virus & Other Malware Removal' started by felicienne, Oct 31, 2007.

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  1. felicienne

    felicienne Thread Starter

    Oct 31, 2007
    Hi, I really need help.

    AVG has been detecting a LOT of viruses in my PC, like:
    Trojan horse IRC/BackDoor.SdBot3.RDR
    Trojan horse IRC/BackDoor.SdBot3.SCY
    Trojan horse BackDoor.Ircbot.AG
    Trojan horse BackDoor.Ircbot.BUC
    Trojan horse Generic_c.BVW
    Virus: Win32/Virut.O

    Those were just some of them. I keep on deleting the files that AVG says are infected, BUT they ALWAYS keep on coming back. A VBScript file "1" and some files such as "dirhttp.exe" and "qhotsew.exe" also always appears in the C: folder. There's one type of file, "84785_redworld.exe", that keeps on coming back in the C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5 directory. Also, there are infected files in the System32 folder, and no matter how I keep going into Safe Mode to delete those infected files, they just always keep coming back.

    Is there something else I should do/delete to stop these viruses?

    Here's my HijackThis log:

    Logfile of Trend Micro HijackThis v2.0.2
    Scan saved at 9:45:33 PM, on 10/31/2007
    Platform: Windows XP (WinNT 5.01.2600)
    MSIE: Internet Explorer v6.00 (6.00.2600.0000)
    Boot mode: Normal

    Running processes:
    C:\Program Files\Messenger\msmsgs.exe
    C:\Program Files\Internet Explorer\IEXPLORE.EXE
    C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
    C:\Program Files\Internet Explorer\IEXPLORE.EXE
    C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

    R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
    O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
    O4 - HKLM\..\Run: [Services] C:\WINDOWS\System32\yptull.exe
    O4 - HKLM\..\Run: [Client Server Runtime Process] C:\WINDOWS\System32\csrs.exe
    O4 - HKLM\..\Run: [Advanced DHTML Enable] C:\WINDOWS\System32\rmtsphu.exe
    O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
    O4 - HKLM\..\Run: [pronto] jixz.exe
    O4 - HKLM\..\Run: [WinServ 32] wqmfgxo.exe
    O4 - HKLM\..\RunServices: [pronto] jixz.exe
    O4 - HKLM\..\RunServices: [WinServ 32] wqmfgxo.exe
    O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
    O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
    O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'LOCAL SERVICE')
    O4 - HKUS\S-1-5-20\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'NETWORK SERVICE')
    O4 - HKUS\S-1-5-18\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'SYSTEM')
    O4 - HKUS\.DEFAULT\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'Default user')
    O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
    O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
    O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
    O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
    O16 - DPF: {1EF9F042-C2EB-4293-8213-474CAEEF531D} (TmHcmsX Control) - http://www.trendsecure.com/framework/control/en-US/activex/TmHcmsX.CAB
    O16 - DPF: {215B8138-A3CF-44C5-803F-8226143CFC0A} (Trend Micro ActiveX Scan Agent 6.6) - http://housecall65.trendmicro.com/housecall/applet/html/native/x86/win32/activex/hcImpl.cab
    O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
    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

    I also tried Panda ActiveScan online:

    Virus:Generic Malware Disinfected Operating system
    Adware:adware/purityscan Not disinfected c:\windows\system32\winserv.exe
    Spyware:Cookie/Advertising Not disinfected C:\Documents and Settings\angelo\Cookies\[email protected][2].txt
    Spyware:Cookie/WebtrendsLive Not disinfected C:\Documents and Settings\angelo\Cookies\[email protected][2].txt
    Virus:W32/Sdbot.JUM.worm Disinfected C:\RECYCLER\S-1-5-21-1644491937-854245398-1957994488-1003\Dc63\84785_redworld[1].exe
    Virus:W32/Gaobot.OXI.worm Disinfected C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\GH2NOTIF\84785_redworld[2].exe
    Virus:Generic Malware Disinfected C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\W52RCPUJ\84785_redworld[1].exe
    Virus:W32/Sdbot.JUM.worm Disinfected C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\W52RCPUJ\84785_redworld[3].exe
    Virus:W32/Sdbot.ftp.worm Disinfected C:\WINDOWS\system32\x
    Virus:Trj/Killfiles.AK Disinfected C:\WINDOWS\Temp\C27D8FEF-D7AE-42c0-82E6-F30598265639.exe

    BUT, although it says that the viruses have been disinfected, as I said, they just keep coming back. :mad: If someone could give me any help in solving this problem, it would be much appreciated. :) Thanks in advance.
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