IEXPLORE.EXE
http://www.liutilities.com/products/wintaskspro/processlibrary/iexplore/
iexplore.exe is the main executable for Microsoft Internet Explorer. This Microsoft Windows application allows you to surf the world wide web and the Internet. This program is a non-essential process, but should not be terminated unless suspected to be causing problems.
Note: iexplore.exe is also a process which is registered as a trojan. This Trojan allows attackers to access your computer from remote locations, stealing passwords, Internet banking and personal data. This process is a security risk and should be removed from your system.
Determining whether iexplore.exe is a virus or a legitimate Windows process depends on the directory location it executes or runs from.
LEXPLORE.EXE
With lowercase L, lEXPLORE.EXE always uses lowercase to look like the legitamate process.
Description:
lexplore.exe is registered as the SODABOT VIRUS!and should be removed immediately. This virus creates a backdoor on your computer which allows hijackers to take control.
Recommendation for lexplore.exe:
DISABLE AND REMOVE lexplore.exe IMMEDIATELY.
LEXPLORE.EXE Removal instructions
http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_SPYBOT.LW&VSect=Sn
IEXPLORE.EXE Viruses
http://us.trendmicro.com/us/search/?q=iexplore.exe+&x=23&y=10
http://www.liutilities.com/products/wintaskspro/processlibrary/lexplore/
http://www.liutilities.com/products/wintaskspro/processlibrary/iexplore/
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lsass.exe or lsass
http://www.liutilities.com/products/wintaskspro/processlibrary/lsass/
Description:
lsass.exe is a system process of the Microsoft Windows security mechanisms. It specifically deals with local security and login policies. This program is important for the stable and secure running of your computer and should not be terminated.
Note: lsass.exe is a process which is registered as a trojan. This Trojan allows attackers to access your computer from remote locations, stealing passwords, Internet banking and personal data. This process is a security risk and should be removed from your system.
Note: lsass.exe is registered as a downloader. This process usually comes bundled with a virus or spyware and its main role is to do nothing other than download other viruses/spyware to your computer. This process is a security risk and should be removed from your system.
Determining whether lsass.exe is a virus or a legitimate Windows process depends on the directory location it executes or runs from.
Been updating regularly?
The patch from Microsoft known as the MS04-011 Security Update (August 10, 2004) fixes the following vulnerabilities (XP). (includes LSASS).