[shypisces]

Here is the Hijackthis log:

Logfile of HijackThis v1.99.1
Scan saved at 10:02:43 AM, on 29/05/2006
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\Sophos\Remote Update\cachemgr.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\MSTask.exe
C:\Program Files\Sophos SWEEP for NT\SWNETSUP.EXE
C:\Program Files\Sophos SWEEP for NT\SWEEPSRV.SYS
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\Program Files\Sophos SWEEP for NT\ICMON.EXE
C:\Program Files\Sophos\Remote Update\imonitor.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Sophos SWEEP for NT\WSWEEPNT.EXE
C:\WINNT\system32\wuauclt.exe
C:\WINNT\SoftwareDistribution\Download\b56cb336738217d91222cb81fd28b079\update\update.exe
C:\Documents and Settings\Administrator\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.ca/
F2 - REG:system.ini: UserInit=userinit.exe
O3 - Toolbar: @msdxmLC.dll,-1@1033,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [Winamp Agent] C:\WINNT\system32\winamp.exe
O4 - Global Startup: InterCheck Monitor.LNK = C:\Program Files\Sophos SWEEP for NT\ICMON.EXE
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Remote Update Monitor.lnk = C:\Program Files\Sophos\Remote Update\imonitor.exe
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft....k/?linkid=39204
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.micros...b?1148077981891
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.micros...b?1148507047585
O17 - HKLM\System\CCS\Services\Tcpip\..\{E0C8C860-3FE0-48BA-A030-06AAD10F1387}: NameServer = 142.103.1.1,137.82.1.1
O23 - Service: Sophos Cache Manager (CacheMgr) - SOPHOS Plc - C:\Program Files\Sophos\Remote Update\cachemgr.exe
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Sophos Anti-Virus Network (SweepNet) - Sophos Plc - C:\Program Files\Sophos SWEEP for NT\SWNETSUP.EXE
O23 - Service: Sophos Anti-Virus (SWEEPSRV.SYS) - Sophos Plc - C:\Program Files\Sophos SWEEP for NT\SWEEPSRV.SYS
O23 - Service: Windows Update Manager (UpdateManager) - Unknown owner - C:\WINNT\System32\tylucyg.exe (file missing)