Prevent Browser hijack infection - PowerPoint PPT Presentation

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Prevent Browser hijack infection

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The following instructions will help you restore your browser’s default search page, remove all unwanted search bars (toolbars) installed into your browser by adware programs, and get back your PC to normal. – PowerPoint PPT presentation

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Title: Prevent Browser hijack infection


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How to Prevent Browser Hijack infection Po s ted
o n December 26, 2013 by Mary Alleyne
Ho w to Prevent Bro ws er Hijack infectio n The
Definitive Guide to Identifying and Fixing Bro
ws er Redirectio n Virus es Internet Security
2013 Virus Ho w to Remo ve the Aus tralian co
mmunicatio ns and media autho rity (ACMA)
Virus What is this terrible Z ero Acces s ro o
tkit virus and ho w to get rid o f it is what we
will be dis cus s ing in the fo llo wing
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Browser hijac king is a serious nuisanc e in
todays web surfing experienc e. Fortunately,
avoiding a browser hijac king is not impossible
if you stay aware, and take a few simple prec
autions.
It is very important to prac tic e prec aution
1. Use c ommon sense 2. Use and update an anti-
virus program regularly 3. Use antivirus auto
protec tion 4 . Keep an anti- hijac k toolkit
for emergenc ies 5. Change your Internet
Explorer sec urity settings
Archives
December 2013 O cto ber 2013 September 2013 Augus
t 2013 July 2013 April 2013 March 2013 February
2013 January 2013 December 2012 No vember 2012 O
cto ber 2012 September 2012 Augus t 2012 July
2012 June 2012
6. T ry an alternate browser
Use Anti- virus programs regularly
Many browser hijac kers are also identified and
stopped by anti- virus software pac kages.
Running Norton Antivirus with auto- protec t
enabled is a good idea as a sec urity measure,
and there are many other equivalent antivirus
programs that c an help.
Use antivirus auto protec tion
Many AV programs c ome with a program that c
onstantly sc ans information entering and
leaving your c omputer for viruses and malware.
Nortons auto- protec t is one example of this.
While they c an oc c asionally c ause trouble
with installing and running software, these
programs are your friends when it c omes to
protec ting your PC from browser hijac kers and T
rojan horse viruses c ontrac ted from websites.
Make sure your antivirus pac kage has an
equivalent feature up and running.
Cat egories
General Tips Tricks
Keep an anti- hijac k toolkit for emergenc ies
T here are several free programs available whic h
will help you rec over your system in the event
of a hijac ked browser. Ad- aware and Spybot,
whic h we c overed above, are two of them. In
addition, download and store Hijac kthis and
CWShredder. Both of these programs c an help you
rec over in the c ase of an emergenc y. We will
detail their use in the sec ond part of this
artic le. A reputable Antivirus program like
those provided by Norton, Mac Afee or Panda is
also essential, as many browser hijac kers are c
onsidered to be T rojan horse viruses and c an
be detec ted and removed by antivirus software.
Change your Internet Explorer sec urity settings
IE c ontains some sec urity features whic h c an
be used to ward off annoying malware like
browser hijac kers. Open Internet Explorer, go to
the tools menu and selec t Internet options.
Now selec t the sec urity tab.
2
If you want the highest degree of protec tion
against browser hijac kers and other malic ious
online c ode, set your Internet zone to the
high sec urity setting. T his will ensure that
IE does not run ac tiveX instruc tions, the means
by whic h most browser hijac kers get ac c ess
to your c omputer.
Note that this may also c ause problems and
missing c ontent in some legitimate web pages.
T o get around this, you c an plac e trusted
websites that you regularly visit into the
trusted sites Internet zone.
Site addresses that you enter here will be
mostly unrestric ted, allowing them to display
their c ontent properly.
T ry an alternate browser
T he best way to defend against many browser
hijac kers is to stop using Internet
Explorer altogether. Sinc e a majority of these
programs are c oded spec ific ally for IE, switc
hing browsers will render them harmless.
Consider Mozilla as one alternative.
Manual system searc h HOST S file
Empty the rec yc ling bin.
Open the HOST S file by launc hing a Notepad
window and opening the C\WINDOWS\SYST
EM32\DRIVERS\ET C\HOST S file. Note that the
HOST S file has no extension, so it will not
appear as a text file. You will need to c hange
the files of type dropdown box to all files
in order to see it.
T he HOST S file provides a means for your system
to resolve DNS addresses (like www.pc stats.c om
) into IP addresses for transferring data ac ross
a network or the Internet.
T yping the addresses from the right hand c olumn
into your browser will result in it being direc
ted to the IP address to the left of that
address. In this way, a browser hijac ker c an
divert traffic automatic ally from legitimate
pages to those of its own c hoosing, sinc e your
c omputer will c hec k its own HOST S file for
data on an address you enter before it asks
your Internet Servic e Providers DNS server for
information.
T he only entry in a normal HOST S file should be
127.0.0.1 loc alhost
Unless you have c ustomized it yourself or your c
omputer is part of a network whic h is managed
by someone else. Note that in some c ases, other
programs suc h as Nortons email protec tion
software may insert their own entries into the
hosts file. What you are looking for is a
diversion of c ommonly used websites or Internet
Explorer searc h func tions to a spec ific valid
IP address.
3
T he pic ture above shows a HOST S file with a
foreign entry whic h would redirec t a browser to
the IP address 216.177.73.182' if www.google.c
om was requested. Eliminate any foreign entries
and save the file.
Manually Chec king the registry
Now lets c hec k the Windows registry.Open the
registry editor by going to start/run and
typing regedit.
From here, open the edit menu and c lic k
find. Now type in the URL of the web page you
are redirec ted to by the browser hijac ker. If
you find an entry, delete it and press F3 to c
ontinue searc hing through the registry. Delete
all matc hing registry entries, but first make a
note of their c ontents, looking for any
keywords. You c an do suc c essive registry searc
hes on these words if your problem is not fixed.
Now empty the rec yc ling bin again for luc k
and restart the c omputer. Chec k to see if your
problem has gone. If it has not, there are
likely settings in the registry whic h you
missed. T ry all three manual searc hes again.
Using the above methods should quic kly make
your browser hijac king a thing of the past.
Now that your c omputer is c lean again, please
be c areful. Inc reasingly, the dark c orners of
the Internet are a dangerous plac e to surf. Be
sensible, follow our tips and keep your guard
up. Note that browser- hijac king programs are c
onstantly emerging and c hanging, just like c
omputer viruses, so it pays to keep your sc
anning programs updated. Sc anning your c
omputer weekly for spyware and viruses is always
a great idea too.
By following the above steps, you will be able
to c ompletely remove Browser Hijac k Virus
from your internet browser. If you still
experienc e issues, c ontac t online Virus
Removal servic e like Jupiter Support, who will
guide you through the removal of the virus at a
low c ost of only 29.
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