hey i have avg free versoin and it has found the nachi.B worm and said it has healed it but it keeps coming back. I followed your previous advice to others and downloaded hijackthis and here is the log as requested:
Logfile of HijackThis v1.97.7
Scan saved at 6:15:21 PM, on 4/05/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
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\spoolsv.exe
C:\PROGRA~1\Grisoft\AVG6\avgserv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\YAHOO!\MESSEN~1\ypager.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
D:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\Cassie Brown\Local Settings\Temp\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = BigPond Dial-Up Residential Internet Explorer
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\WINDOWS\SYSTEM\blank.htm
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {DE614603-6320-4046-A7A7-6A69CEC26F14} - C:\WINDOWS\MSLAGENT\4B_1,0,0,6_MSLAGENT.DLL (file missing)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: (no name) - {CC90CDA0-74A0-45b4-80EF-D89CA8C249B8} - (no file)
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [Omnipage] C:\Program Files\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [LabtecKB] C:\Program Files\Labtec\Labtec Keyboard-Desktop Software\DsiMmKbd.EXE
O4 - HKLM\..\Run: [FLMLABTECMOUSE] C:\Program Files\Labtec\Labtec Mouse Software\2.0\mouse32a.exe
O4 - HKLM\..\Run: [AVG_CC] C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe /STARTUP
O4 - HKLM\..\Run: [SMSERIAL] sm56hlpr.exe
O4 - HKLM\..\Run: [Microsoft IIS] C:\WINDOWS\system32\syshost.exe
O4 - HKCU\..\Run: [Yahoo! Pager] C:\PROGRA~1\YAHOO!\MESSEN~1\ypager.exe -quiet
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O9 - Extra 'Tools' menuitem: Sun Java Console (HKLM)
O9 - Extra button: Yahoo! Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger (HKLM)
O12 - Plugin for .mp3: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin3.dll
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: Win32 Classes -
O16 - DPF: Yahoo! Chess -
http://download.games.yahoo.com/games/clients/y/ct1_x.cab
O16 - DPF: Yahoo! Pool 2 -
http://download.games.yahoo.com/games/clients/y/potc_x.cab
O16 - DPF: {093F9CF8-0DE1-491C-95D5-5EC257BD4CA3} -
http://akamai.downloadv3.com/binaries/IA/dtc32_EN.cab
O16 - DPF: {1D4DB7D2-6EC9-47A3-BD87-1E41684E07BB} -
http://ak.imgfarm.com/images/nocache/funwebproducts/SmileyCentralInitialSetup1.0.0.6.cab
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) -
http://us.dl1.yimg.com/download.yahoo.com/dl/installs/yinst0401.cab
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) -
http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?38110.1515856481
O16 - DPF: {A02780C3-7F77-4E28-855B-28890F3CF37A} -
http://akamai.downloadv3.com/binaries/DialHTML/EGCOMLIB_1034_pack.cab
O16 - DPF: {CA034DCC-A580-4333-B52F-15F98C42E04C} (Downloader Class) -
https://www.stopzilla.com/_download/Auto_Installer/dwnldr.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) -
http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O16 - DPF: {EF99BD32-C1FB-11D2-892F-0090271D4F88} -
http://us.dl1.yimg.com/download.companion.yahoo.com/dl/toolbar/yiebio5_1_6_0.cab
O16 - DPF: {F04A8AE2-A59D-11D2-8792-00C04F8EF29D} (Hotmail Attachments Control) -
http://sea1fd.sea1.hotmail.msn.com/activex/HMAtchmt.ocx
O16 - DPF: {F58E1CEF-A068-4C15-BA5E-587CAF3EE8C6} (MSN Chat Control 4.5) -
http://chat.msn.com/bin/msnchat45.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{4EFE409E-59DF-4AE2-987E-337A5173A5CB}: NameServer = 203.49.70.92 139.134.2.190
O17 - HKLM\System\CS1\Services\Tcpip\..\{4EFE409E-59DF-4AE2-987E-337A5173A5CB}: NameServer = 203.49.70.92 139.134.2.190