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Post #1
Hello, I've been hijacked, of course. My home page is defaulting to this: res://shdocsv.dll/blank.htm I've tried everything to fix this for the last week. I'm having no problems with the computer other than the home page issue. Granted, I'm not tech savvy at all. Any help would be greatly appreciated. Thank you. Logfile of HijackThis v1.99.1 Scan saved at 1:24:25 PM, on 7/10/2005 Platform: Windows 2000 SP4 (WinNT 5.00.2195) MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106) 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\spoolsv.exe C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe C:\WINDOWS\System32\CTSvcCDA.exe C:\WINDOWS\System32\svchost.exe C:\PROGRA~1\Iomega\System32\AppServices.exe C:\Program Files\Norton AntiVirus\navapsvc.exe C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe C:\WINDOWS\system32\regsvc.exe C:\WINDOWS\system32\MSTask.exe C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe C:\WINDOWS\System32\WBEM\WinMgmt.exe C:\WINDOWS\system32\svchost.exe C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe C:\WINDOWS\Explorer.EXE C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe C:\Program Files\Common Files\Symantec Shared\ccApp.exe C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe C:\Program Files\HP\hpcoretech\hpcmpmgr.exe C:\Program Files\Common Files\Real\Update_OB\realsched.exe C:\Program Files\QuickTime\qttask.exe C:\WINDOWS\system32\svcnt.exe C:\Program Files\WinZip\Wzqkpick.exe C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe C:\Program Files\Common Files\Real\Update_OB\RealOneMessageCenter.exe C:\PROGRA~1\WINZIP\winzip32.exe C:\Documents and Settings\Diane\Local Settings\Temp\HijackThis.exe R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = res://shdocsv.dll/blank.htm R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://shdocsv.dll/asst.htm O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe" O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer O4 - HKLM\..\Run: [Drag'n'Drop_Autolaunch] "C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe" O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe" O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime O4 - HKLM\..\Run: [Disc Detector] C:\Program Files\Creative\ShareDLL\CtNotify.exe O4 - HKLM\..\Run: [Fast Start] C:\WINDOWS\system32\svcnt.exe home O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon O4 - HKCU\..\Run: [Intel system tool] C:\WINDOWS\System32\hookdump.exe O4 - Startup: PowerReg Scheduler V3.exe O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe O4 - Global Startup: hpoddt01.exe.lnk = C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTSvcCDA.exe O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINDOWS\System32\dmadmin.exe O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
Post #2
Greetings and welcome to TomCoyote.org!

Please make a PERMANANT folder for Hijack This!

Important: Create a folder on the C: drive called C:HJT.
You can do this by going to My Computer (Windows key+e) then double click on C: then right click and select New then Folder and name it HJT. MOVE HijackThis into this folder.

If required a tutorial is here = Hijackthis Folder Tutorial

CLOSE ALL WINDOWS (even this one) AND PROGRAMS!!!!

Run Hijack This!
Click "Do a systen scan only".
Then "check" the box to the left of these item(s):

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = res://shdocsv.dll/blank.htm

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://shdocsv.dll/asst.htm

O4 - HKLM\..\Run: [Fast Start] C:\WINDOWS\system32\svcnt.exe home

O4 - HKCU\..\Run: [Intel system tool] C:\WINDOWS\System32\hookdump.exe

Then click "Fix checked".

Reboot in "safe" mode.

Find and delete:

c:\windows\system32\hookdump.exe <— file

c:\windows\system32\svcnt.exe <— file

Some malware files may be "hidden".
Be sure to show hidden files when looking for these file(s) and/or folder(s).

Reboot in normal mode.

I would also suggest installing some other free software to scan your machine for malware not detected by Hijack This!

Please download and run Spybot-Search&Destroy and Ad-Aware; they are the standard programs for finding and cleaning malware off your system. Here are links to both programs, and instructions for their use.

Get Spybot - Search & Destroy from http://security.kolla.de
(This is the NEW Version 1.4)
Get AdAware SE Personal from http://www.lavasoft.de/support/download
(This is the NEW Build 1.6)

Download and install these programs if you don't already have them. If you do have them, make sure they are UPDATED AND CONFIGURED AS DESCRIBED here:

Configure Adaware

Configure Spybot

Reboot after running each program.

When completed please "copy/paste" a new log file into this thread. :)
Post #3
Hello Micah_6:8, It looks like you have fixed the problem. I was unable to locate c:\windows\system32\hookdump.exe <— file but was able to locate the svcnt.exe file and deleted it. I also ran Ad Aware and Spybot. My home page is back to normal. I'll post the new log, as you asked. Logfile of HijackThis v1.99.1 Scan saved at 8:14:07 PM, on 7/10/2005 Platform: Windows 2000 SP4 (WinNT 5.00.2195) MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106) 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\spoolsv.exe C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe C:\WINDOWS\System32\CTSvcCDA.exe C:\WINDOWS\System32\svchost.exe C:\PROGRA~1\Iomega\System32\AppServices.exe C:\Program Files\Norton AntiVirus\navapsvc.exe C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe C:\WINDOWS\system32\regsvc.exe C:\WINDOWS\system32\MSTask.exe C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe C:\WINDOWS\System32\WBEM\WinMgmt.exe C:\WINDOWS\system32\svchost.exe C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe C:\WINDOWS\Explorer.EXE C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe C:\Program Files\Common Files\Symantec Shared\ccApp.exe C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe C:\Program Files\HP\hpcoretech\hpcmpmgr.exe C:\Program Files\Common Files\Real\Update_OB\realsched.exe C:\Program Files\QuickTime\qttask.exe C:\Program Files\WinZip\Wzqkpick.exe C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe C:\Program Files\Internet Explorer\IEXPLORE.EXE C:\PROGRA~1\WINZIP\winzip32.exe C:\Documents and Settings\Diane\Local Settings\Temp\HijackThis.exe R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://shdocsv.dll/asst.htm O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\My Downloads\SpybotS&D\Spybot - Search & Destroy\SDHelper.dll O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe" O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer O4 - HKLM\..\Run: [Drag'n'Drop_Autolaunch] "C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe" O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe" O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime O4 - HKLM\..\Run: [Disc Detector] C:\Program Files\Creative\ShareDLL\CtNotify.exe O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon O4 - Startup: PowerReg Scheduler V3.exe O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe O4 - Global Startup: hpoddt01.exe.lnk = C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTSvcCDA.exe O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINDOWS\System32\dmadmin.exe O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe I does look like it's been fixed. Thank you so much.
Post #4
Good job! :thumbup:

But we're not finished just yet…

Only one pesky item remains… <_<

CLOSE ALL WINDOWS (even this one) AND PROGRAMS!!!!

Run Hijack This!
Click "Do a systen scan only".
Then "check" the box to the left of these item(s):

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://shdocsv.dll/asst.htm

Then click "Fix checked".

Reboot and "copy/paste" a new log file into this thread. :)
Post #5
Hello Micah_6:8, here is the log file. Thank you again for all of your help. Logfile of HijackThis v1.99.1 Scan saved at 6:19:46 AM, on 7/11/2005 Platform: Windows 2000 SP4 (WinNT 5.00.2195) MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106) 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\spoolsv.exe C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe C:\WINDOWS\System32\CTSvcCDA.exe C:\WINDOWS\System32\svchost.exe C:\PROGRA~1\Iomega\System32\AppServices.exe C:\Program Files\Norton AntiVirus\navapsvc.exe C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe C:\WINDOWS\system32\regsvc.exe C:\WINDOWS\system32\MSTask.exe C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe C:\WINDOWS\System32\WBEM\WinMgmt.exe C:\WINDOWS\system32\svchost.exe C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe C:\WINDOWS\Explorer.EXE C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe C:\Program Files\Common Files\Symantec Shared\ccApp.exe C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe C:\Program Files\HP\hpcoretech\hpcmpmgr.exe C:\Program Files\Common Files\Real\Update_OB\realsched.exe C:\Program Files\QuickTime\qttask.exe C:\Program Files\WinZip\Wzqkpick.exe C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe C:\PROGRA~1\WINZIP\winzip32.exe C:\Documents and Settings\Diane\Local Settings\Temp\HijackThis.exe O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\My Downloads\SpybotS&D\Spybot - Search & Destroy\SDHelper.dll O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe" O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer O4 - HKLM\..\Run: [Drag'n'Drop_Autolaunch] "C:\Program Files\Iomega HotBurn Pro\Autolaunch.exe" O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe" O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime O4 - HKLM\..\Run: [Disc Detector] C:\Program Files\Creative\ShareDLL\CtNotify.exe O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon O4 - Startup: PowerReg Scheduler V3.exe O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe O4 - Global Startup: hpoddt01.exe.lnk = C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTSvcCDA.exe O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINDOWS\System32\dmadmin.exe O23 - Service: Iomega App Services - Iomega Corporation - C:\PROGRA~1\Iomega\System32\AppServices.exe O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
Post #6
The log looks good now. :thumbup:

If you have some extra time, you might want to try some free online virus scans just to be sure nothing is lurking where Hijack This! doesn't look.

The links to the scans are here:

Trend-Micro Housecall

Panda Activescan

Etrust Security Advisor

Choose "fix" or "clean".

Let them remove any infections found. Reboot after each scan.

Unless they find something they can't remove, then this hijack is solved.

GOD bless you and yours!!!

M68 :)

Items you may wish to consider to harden your defenses against future infections:

Read "How did I get infected in the first place?"

Download/install IE-Spyad

IE-Spyad puts over 4000 known malicious web sites into IE's "restricted zone" to help prevent you from getting infected.

Check your browser settings at Qualsys.com

A series of "tests" (and suggested fixes) to help tweak IE's settings to help prevent infections when surfing the web.

Follow safe Internet practices:

1. Keep your virus definitions up to date, and scan your system regularly.

2. Don't open email, or download attachments from unrecognized email addresses.

3. Be careful when downloading email attachments, EVEN FROM PEOPLE YOU KNOW! Many virii, worms, and trojans infect a persons system then immeadiately spread themselves to the people in the infected persons addressbook via email attachments.

4. Be careful downloading files from the Internet. Scan all downloaded files with a reliable UP-TO-DATE antivirus program. Scan "zip" files BEFORE unzipping, and scan all unzipped files BEFORE USING THEM.

5. Keep your Windows and IE current with all the latest patches and updates.

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