I've been fighting through a fairly nasty infection and I'm left with one resistant creature that resists the best efforts of the normally available tools. Probably most noteworthy is that a Google search on the culprit returns absolutely no results at all... when have you ever heard of that happening? On the off chance that this might be something new, I thought I'd better start a new thread.
At this point my system is pretty well cleaned up. I've run both HJT and Security Task Manager to whittle down running tasks, IE add-ons, and HJT log entries down to next to nothing. A full scan with Ad-aware has run clean and a run of AVG (ewido) gives 4 detected respawning objects: 3 cookies and 1 trojan (C:\System Volume Information\_restore{21D7D692-4662-421F-39B0-877BC3820711}\RP1417\A0100808.vbs). There is, however, clearly something very nasty remaining.
Two symptoms: 1) with my ethernet connection disabled, occasionally a window pops up asking me me if I want to work offline, and 2) Security Task Manager still shows an IE add-on that I can't eliminate.
There were two offending IE add-ons that were identified by STM: wvuussr.dll and rqrst.dll. Both of these are of the type that get loaded early in the bootup cycle and regenerate their registry entries, so they can't just be deleted in the normal ways. I entered Safe Mode, ran HJT and marked both files to be deleted on reboot. rqrst.dll went away, but wvuussr.dll remains. I've tried this with wvuussr two additional times and it just doesn't want to die. (Try Googling wvuussr.dll... nothing found!) At the end of this I'm appending the HJT log after a normal boot. I've also included three attachments: 1) hijackthisSafe.log is an HJT log after reboot in Safe Mode, 2) hijackthisStart is the HJT log given below from just after a normal boot, and 3) is a tidied-up version of the list of window processes exported from Security Task Manager.
If anyone can help with this, I'd be grateful. My last resort is to write an app that stomps on the filename in the filesystem entry. As you might guess, I'm reluctant to do this except as a LAST resort.
Logfile of HijackThis v1.99.1
Scan saved at 3:20:05 PM, on 2/8/2007
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\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:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Apoint\Apoint.exe
C:\Program Files\Apoint\Apntex.exe
C:\WINDOWS\system32\wuauclt.exe
C:\packages\VerminTools\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.dellnet.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.google.com/ie
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.google.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.google.com/ie
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
N3 - Netscape 7: user_pref("browser.startup.homepage", ""); (C:\Documents and Settings\John\Application Data\Mozilla\Profiles\default\sh27cbaj.slt\prefs.js)
N3 - Netscape 7: user_pref("browser.search.defaultengine", "http://www.google.com/"); (C:\Documents and Settings\John\Application Data\Mozilla\Profiles\default\sh27cbaj.slt\prefs.js)
O2 - BHO: (no name) - {6AAC65E6-4DE2-4766-9352-2960C2BC6F54} - C:\WINDOWS\system32\wvuussr.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint\Apoint.exe
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet
O4 - HKLM\..\Run: [PRISMSVR.EXE] "C:\WINDOWS\system32\PRISMSVR.EXE" /APPLY
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
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Common Files\Microsoft Shared\Help\hxds.dll
O20 - Winlogon Notify: wvuussr - C:\WINDOWS\SYSTEM32\wvuussr.dll
O23 - Service: AVG Anti-Spyware Guard - Anti-Malware Development a.s. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: Command Service (cmdService) - Unknown owner - C:\WINDOWS\Sm9obg\command.exe (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Machine Debug Manager (MDM) - Unknown owner - C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe (file missing)
O23 - Service: SQL Server (SQLEXPRESS) (MSSQL$SQLEXPRESS) - Unknown owner - c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\sqlservr.exe" -sSQLEXPRESS (file missing)
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe