My windows system32 files have been infected with trojan horse. A test scan shows me that around 147 objects are infected. So i wanted to ask whether is there any other solution to remove the virus except reinstalling the OS... Please help me out...
Download Hijackthis ver. 1.99.1 from HERE and save it to your Desktop. Double click on the HJTsetup.exe icon on your desktop. By default it will install to C:\Program Files\HijackThis. Continue to click Next in the setup dialogue boxes until you get to the "Select Addition Tasks" dialogue. Put a check by Create a desktop icon then click Next again. Continue to follow the rest of the prompts from there. At the final dialogue box click Finish and it will launch HijackThis. Click on the "Do a system scan and save a log file" button. It will scan and then ask you to save the log. Copy and paste the log to this topic DO NOT have HijackThis fix anything yet. Most of what it finds will be harmless or even required.
Logfile of HijackThis v1.99.1 Scan saved at 8:01:49 PM, on 7/18/2007 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\csrss.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\svchost.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\system32\ZONELABS\vsmon.exe C:\WINDOWS\system32\spoolsv.exe C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE C:\WINDOWS\system32\svchost.exe C:\WINDOWS\System32\alg.exe C:\WINDOWS\system32\igfxtray.exe C:\WINDOWS\system32\hkcmd.exe C:\WINDOWS\system32\igfxpers.exe C:\WINDOWS\system32\SKDAEMON.EXE C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe C:\Program Files\Java\jre1.5.0_09\bin\jusched.exe C:\Program Files\QuickTime\qttask.exe C:\Program Files\iTunes\iTunesHelper.exe C:\WINDOWS\system32\rundll32.exe C:\Program Files\Common Files\PCSuite\DataLayer\DataLayer.exe C:\Program Files\iPod\bin\iPodService.exe C:\Program Files\Nokia\Nokia PC Suite 6\LaunchApplication.exe C:\WINDOWS\system32\ctfmon.exe C:\PROGRA~1\COMMON~1\PCSuite\Services\SERVIC~1.EXE C:\Program Files\Nokia\Nokia PC Suite 6\PcSync2.exe C:\WINDOWS\system32\DllHost.exe C:\PROGRA~1\COMMON~1\Nokia\MPAPI\MPAPI3s.exe C:\Program Files\Yahoo!\Messenger\ymsgr_tray.exe C:\Program Files\Mozilla Firefox\firefox.exe C:\WINDOWS\explorer.exe C:\WINDOWS\system32\0A4998BF.exe C:\Program Files\Hijackthis\HijackThis.exe R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.new114.com.cn R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.new114.com.cn R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll O2 - BHO: Yahoo! IE Services Button - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\Program Files\Yahoo!\Common\yiesrvc.dll O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_09\bin\ssv.dll O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn0\yt.dll O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe O4 - HKLM\..\Run: [Hot Key Kbd Daemon] SKDAEMON.EXE O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe" O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_09\bin\jusched.exe O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe" O4 - HKLM\..\Run: [DataLayer] C:\Program Files\Common Files\PCSuite\DataLayer\DataLayer.exe O4 - HKLM\..\Run: [PCSuiteTrayApplication] C:\Program Files\Nokia\Nokia PC Suite 6\LaunchApplication.exe -onlytray O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\\NeroCheck.exe O4 - HKLM\..\Run: [Microsoft Autorun10] C:\WINDOWS\system32\nwizwmgjs.exe O4 - HKLM\..\Run: [mppds] C:\WINDOWS\mppds.exe O4 - HKLM\..\Run: [WinForm] C:\WINDOWS\WinForm.exe O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe O4 - HKCU\..\Run: [Yahoo! Pager] "C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe" -quiet O4 - HKCU\..\Run: [PcSync] C:\Program Files\Nokia\Nokia PC Suite 6\PcSync2.exe /NoDialog O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe O8 - Extra context menu item: &Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000 O8 - Extra context menu item: Yahoo! &Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm O8 - Extra context menu item: Yahoo! &Maps - file:///C:\Program Files\Yahoo!\Common/ycmap.htm O8 - Extra context menu item: Yahoo! &SMS - file:///C:\Program Files\Yahoo!\Common/ycsms.htm O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_09\bin\ssv.dll O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_09\bin\ssv.dll O9 - Extra button: Yahoo! Services - {5BAB4B5B-68BC-4B02-94D6-2FC0DE4A7897} - C:\Program Files\Yahoo!\Common\yiesrvc.dll O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\WINDOWS\system32\shdocvw.dll O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\WINDOWS\system32\shdocvw.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 O10 - Unknown file in Winsock LSP: c:\windows\system32\mscomm.dll O10 - Unknown file in Winsock LSP: c:\windows\system32\mscomm.dll O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll O20 - AppInit_DLLs: jhapri.dll O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZONELABS\vsmon.exe
