Infected with W32/Gaobot.worm.gen.u

Viruses and worms
1

Hello everyone ,
I have been having this problem of slow compilation and b.exe has stopped working alerts since a week and MS Vista detects the worm has W32/Gaobot.worm.gen.u . I am using Avast 4.0 Home edition and definitions are up to date . Just in case , heres my HijackThis log :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8:45:00 PM, on 4/25/2008
Platform: Windows Vista (WinNT 6.00.1904)
MSIE: Internet Explorer v7.00 (7.00.6000.16609)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Windows\sttray.exe
C:\Windows\System32\WLTRAY.EXE
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe
C:\Program Files\Nero\Nero 7\InCD\NBHGui.exe
C:\Program Files\Nero\Nero 7\InCD\InCD.exe
C:\Program Files\Internet Explorer\ieuser.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Windows\system32\wuauclt.exe
C:\Windows\system32\Macromed\Flash\FlashUtil9e.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O1 - Hosts: ::1 localhost
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM..\Run: [SigmatelSysTrayApp] sttray.exe
O4 - HKLM..\Run: [Broadcom Wireless Manager UI] C:\Windows\system32\WLTRAY.exe
O4 - HKLM..\Run: [MSConfig] “C:\Windows\system32\msconfig.exe” /auto
O4 - HKLM..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM..\Run: [SunJavaUpdateSched] “C:\Program Files\Java\jre1.6.0_05\bin\jusched.exe”
O4 - HKLM..\Run: [NeroFilterCheck] C:\Program Files\Common Files\Ahead\Lib\NeroCheck.exe
O4 - HKLM..\Run: [SecurDisc] C:\Program Files\Nero\Nero 7\InCD\NBHGui.exe
O4 - HKLM..\Run: [InCD] C:\Program Files\Nero\Nero 7\InCD\InCD.exe
O4 - HKCU..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter
O4 - HKCU..\Run: [googletalk] C:\Users\Smit\AppData\Roaming\Google\Google Talk\googletalk.exe /autostart
O4 - HKUS\S-1-5-19..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User ‘LOCAL SERVICE’)
O4 - HKUS\S-1-5-19..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User ‘LOCAL SERVICE’)
O4 - HKUS\S-1-5-20..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User ‘NETWORK SERVICE’)
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra ‘Tools’ menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O13 - Gopher Prefix:
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://gfx2.hotmail.com/mail/w2/resources/VistaMSNPUplden-in.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O16 - DPF: {FC11A119-C2F7-46F4-9E32-937ABA26816E} (AMI DicomDir TreeView Control 2.1) - file:///E:/CDVIEWER/CdViewer.cab
O17 - HKLM\System\CCS\Services\Tcpip..{DE0BBE27-8E53-451D-A720-171FD2F2B05A}: NameServer = 192.168.1.1,218.248.240.208
O17 - HKLM\System\CCS\Services\Tcpip..{EE4C385A-B05C-4DF2-AB83-0BF46DEA2504}: NameServer = 192.168.1.1,218.248.240.208
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: InCD Helper (InCDsrv) - Nero AG - C:\Program Files\Nero\Nero 7\InCD\InCDsrv.exe
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NMIndexingService - Nero AG - C:\Program Files\Common Files\Ahead\Lib\NMIndexingService.exe
O23 - Service: SigmaTel Audio Service (STacSV) - SigmaTel, Inc. - C:\Program Files\SigmaTel\C-Major Audio\WDM\STacSV.exe
O23 - Service: Dell Wireless WLAN Tray Service (wltrysvc) - Unknown owner - C:\Windows\System32\WLTRYSVC.EXE

–
End of file - 5920 bytes

The laptop is getting slower . I have Windows Vista , please advice as I am starting to have problems with IE as well.
Thanks,
comwizz

2

There is nothing apparent in your log - although this would indicate that MSConfig is being used to block something at startup O4 - HKLM..\Run: [MSConfig] “C:\Windows\system32\msconfig.exe” /auto . Try these two programmes and let me know the result

Please download ATF Cleaner by Atribune.
This program is for XP and Windows 2000 only
Double-click ATF-Cleaner.exe to run the program.
Under Main choose: Select All
If you use Firefox browser
Click Firefox at the top and choose: Select All
Click the Empty Selected button.
NOTE: If you would like to keep your saved passwords, please click No at the prompt.
If you use Opera browserClick Opera at the top and choose: Select All
Click the Empty Selected button.
NOTE: If you would like to keep your saved passwords, please click No at the prompt.
Click Exit on the Main menu to close the program.
For Technical Support, double-click the e-mail address located at the bottom of each menu.

THEN

Please download Malwarebytes’ Anti-Malware from Here or Here

Double Click mbam-setup.exe to install the application.[list]
[*]Make sure a checkmark is placed next to Update Malwarebytes’ Anti-Malware and Launch Malwarebytes’ Anti-Malware, then click Finish.
[*]If an update is found, it will download and install the latest version.
[*]Once the program has loaded, select “Perform Quick Scan”, then click Scan.
[*]The scan may take some time to finish,so please be patient.
[*]When the scan is complete, click OK, then Show Results to view the results.
[*]Make sure that everything is checked, and click Remove Selected.
[]When disinfection is completed, a log will open in Notepad and you may be prompted to Restart.(See Extra Note)
[]The log is automatically saved by MBAM and can be viewed by clicking the Logs tab in MBAM.
[*]Copy&Paste the entire report in your next reply.

Extra Note:
If MBAM encounters a file that is difficult to remove,you will be presented with 1 of 2 prompts,click OK to either and let MBAM proceed with the disinfection process,if asked to restart the computer,please do so immediately.[/list]