bad virus

[wennaz]

one file named check_LSA7 is leading my comp....
i can't delete it and can't access my Task Manager.....
and my comp is slower than usually...

i scanned my comp with Trend Micro HijackThis 2.0.2
and here are results:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 7:43:30 a.m., on 4/09/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

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\Ati2evxx.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\Ati2evxx.exe
C:\WINDOWS\system32\WgaTray.exe
C:\WINDOWS\Explorer.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\Alcohol Soft\Alcohol 120\StarWind\StarWindServiceAE.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\System32\alg.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Java\jre1.6.0_02\bin\jusched.exe
C:\WINDOWS\system32\crss3.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Winamp\winamp.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.xtramsn.co.nz/0SEENNZ/SAOS01?FORM=TOOLBR
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://g.xtramsn.co.nz/0SEENNZ/SAOS01?FORM=TOOLBR
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.neti.ee/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://g.xtramsn.co.nz/0SEENNZ/SAOS01?FORM=TOOLBR
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O3 - Toolbar: Alcohol Toolbar - {ED4BD629-C1B6-4399-8A34-02CCAA921DC9} - C:\Program Files\Alcohol Toolbar\v3.2.0.0\Alcohol_Toolbar.dll
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User '?')
O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVGFRE~1\avgw.exe /RUNONCE (User '?')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User '?')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User '?')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O8 - Extra context menu item: &Windows Live Search - res://C:\Program Files\Windows Live Toolbar\msntb.dll/search.htm
O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx
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: Open in new background tab - res://C:\Program Files\Windows Live Toolbar\Components\en-nz\msntabres.dll.mui/229?b148eba509ee45519ffb912bc62f6b93
O8 - Extra context menu item: Open in new foreground tab - res://C:\Program Files\Windows Live Toolbar\Components\en-nz\msntabres.dll.mui/230?b148eba509ee45519ffb912bc62f6b93
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:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1191059633919
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe

--
End of file - 4109 bytes


can anyone help me?


thank you!

[pskelley]

Welcome to Safer Networking, I wish to be sure you have viewed and understand this information.
"BEFORE you POST" (READ this Procedure before Requesting Assistance)
http://forums.spybot.info/showthread.php?t=288
All advice given is taken at your own risk.
Please make sure you have read this information so we are on the same page.

You are running System Configuration Utility (MSConfig) in Selective Startup mode. I have no idea what you may have turned off that I need to see. If we proceed you need to return MSConfig to Normal startup.

Sorry to be the bearer of bad news...

C:\WINDOWS\system32\crss3.exe
http://www.sophos.com/security/analyses/w32combrac.html <<< probably this one at least.
Steals information
Downloads code from the internet
Records keystrokes
Installs itself in the Registry
http://www.google.com/search?hl=en&q=crss3.exe&btnG=Search

A Backdoor is a software program that gives an attacker unauthorized access to a machine and the means for remotely controlling the machine without the user's knowledge. A Backdoor compromises system integrity by making changes to the system that allow it to by used by the attacker for malicious purposes unknown to the user.

One or more of the identified infections is a backdoor trojan.
This allows hackers to remotely control your computer, steal critical system information and Download and Execute files
I would counsel you to disconnect this PC from the Internet immediately. If you do any banking or other financial transactions on the PC or if it should contain any other sensitive information, please get to a known clean computer and change all passwords where applicable, and it would be wise to contact those same financial institutions to apprise them of your situation.
Though the Trojan has been identified and can be killed, because of it's backdoor functionality, your PC is very likely compromised and there is no way to be sure your computer can ever again be trusted. Many experts in the security community believe that once infected with this type of Trojan, the best course of action would be a reformat and reinstall of the OS. Please read these for more information:

How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?
http://www.dslreports.com/faq/10451

When Should I Format, How Should I Reinstall
http://www.dslreports.com/faq/10063

Please let us know what you have decided to do in your next post.

Thanks

[wennaz]

i think that it's better to reformat and reinstall of the OS

[pskelley]

I understand your thinking, that is what I would have to do it it was my computer. This information should help.
http://spyware-free.us/tutorials/reformat/
http://www.cyberwalker.net/faqs/how-tos/reinstall-faq.html
http://helpdesk.its.uiowa.edu/windows/instructions/reformat.htm

Here is some great information from experts in this field that will help you stay clean and safe online.
http://users.telenet.be/bluepatchy/miekiemoes/prevention.html
http://forums.spybot.info/showthread.php?t=279
http://russelltexas.com/malware/allclear.htm
http://forum.malwareremoval.com/viewtopic.php?t=14
http://www.bleepingcomputer.com/forums/topict2520.html
http://cybercoyote.org/security/not-admin.shtml

Thanks...pskelley
Safer Networking Forums
http://www.spybot.info/en/donate/index.html
If you are reading this information...thank a teacher,
If you are reading it in English...thank a soldier.

[wennaz]

i thank you for that information :)

it's very important to me and it's good that here are so helpful people and these forums are made...

have nice day

[pskelley]

As the problem appears to be resolved this topic has been closed.

If you need it re-opened please send me or a forum staff member a private message (pm) and provide a link to the thread; this applies only to the original topic starter.

Anyone else with similar problems please start a new topic.

Thanks