how to prevent unwanted sites from the browser

Hi Experts,

when i enter into the any of the sites adds are coming unwantedly.
some times my browser navigating to some other site. and closing browser suddenly.
is it because of virus?
how do i prevent this?

I am facing the problem with chrome and firefox .
can some suggest how to avoid this nonsence.
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LVL 2
srikoteshAsked:
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hieloCommented:
Look in your list of installed programs(in Windows 7 this would be under Control Panel > Programs and Features) to see if you have any AdWare installed.
*** Hopeleonie ***IT ManagerCommented:
Note proper Malware removal will need a lot of time, so your patient’s is asked. If this is a corporate environment I strongly recommend to reimage or reinstall your client as nobody can give 100% guarantee that all Malware is removed.

Download Farbar Recovery Scan Tool (FRST) .

Click on the 32-bit version or 64-bit version button. Note it depends on the bit type of your Windows version.

Now run a FRST Scan with the default settings .
Please upload both log's on your next reply.
srikoteshAuthor Commented:
hi heilo,

No Adware installed in my machine
i can see one of the software installed was Greatsave4u(this is one of the add coming in my browser)
i have un installed this software.

hi hopeleonie,
i will download and try this one.
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Tapan PattanaikSenior EngineerCommented:
Hi srikotesh,

 Stop unwanted pop-ups or homepage changes:

As per google support page:

Look for malware and unwanted programs:

Here are some clues that a suspicious program is affecting Google Chrome:
•Chrome doesn't block pop-up ads from showing.
•Your homepage, startup page, or search engine has changed to a site you don't recognize
•Unfamiliar extensions or toolbars are added to Chrome
•The Chrome desktop shortcut opens an unfamiliar website.

Chrome Cleanup Tool :

This application will scan and remove software that may cause problems with Chrome, such as crashes, unusual startup pages or toolbars, unexpected ads you can't get rid of, or otherwise changing your browsing experience.

https://www.google.com/chrome/cleanup-tool/

For more details Please check the Google Support page:

https://support.google.com/chrome/answer/2765944?hl=en
Maidine FouadEngineerCommented:
Indeed you should Run a scan just to make sure nothing is running in the shadows... Also Reset The Configuration for Both Browsers , and make sure No Extra Addosn were intalled.

For Blocking Adds I suggest PrivDog,You can block pretty much Most Adds/Trackers , Runs Silently and does not need much configuration
srikoteshAuthor Commented:
Hi hopeleonie,

I have attached log files.
Addition.txt
srikoteshAuthor Commented:
TemodyPickalbatros, IT ManagerCommented:
In chrome you can install Adblock plus add-ons
It will block any unwanted AD or pages
Maidine FouadEngineerCommented:
altough the popularity of Adblock Addon it Comes with its own Set of problems To add

Really a lot of them

http://support.getadblock.com/discussions/problems

Some legitimate Websites Even detect it and force you to disable it just to subscribe or do something a normal user would done , and Affect Page Load Speed.

Ive Used Addblock and Privdog , and i love PrivDog, no problems whatsoever

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srikoteshAuthor Commented:
adblock I have tried earlier no use with that one
srikoteshAuthor Commented:
let me try prison as well
srikoteshAuthor Commented:
let me try privdog as well
Maidine FouadEngineerCommented:
sure i linked it above i the previous comment
jcimarronCommented:
srikotesh--
Use the HOSTS file
http://www.mvps.org/winhelp2002/hosts.htm
In your case, this should be simple since you have identified the source of the "Ads" per screen shots in your first posts.  
Now, if you cannot delete the programs causing the Ads (such as GreatSave4U) just add their URLS to your HOSTS file.
srikoteshAuthor Commented:
Issue  resolved with privdog.
thanks
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