DoubleClick

DoubleClick Description


DoubleClick is a subsidiary company of Google that focuses on tracking information that’s related to viewers of online advertisements. Contact with DoubleClick is typically-caused by the presence of DoubleClick-based tracking cookies that are used by a wide variety of websites. Although DoubleClick tracking cookies only keep track of information that would be difficult to use for malicious purposes, many PC security brands have, nonetheless, categorized DoubleClick as a low-level threat due to limited opt-out options and other privacy issues. DoubleClick cookies have also been exploited by unrelated hackers for more serious attacks than DoubleClick’s default behavior.

DoubleClick – a Double Tracking Feature That You May Not Know is There


Although DoubleClick is considered a benign utility by advertisers, those who are exposed to DoubleClick tracking cookies without realizing it may have reason to believe otherwise. DoubleClick tracking cookies are often included in a variety of advertisement-related content and, like many cookies, may be automatically-downloaded without your consent. After being downloaded, DoubleClick will monitor your activities in the following ways:
  • DoubleClick will monitor which advertisements you view and which advertisements you interact with during your visits to various websites.
  • DoubleClick may also track your IP address (a series of numbers that can be used to identify your PC) when you visit particular websites.

Although DoubleClick is low-key enough in resource usage that DoubleClick will not cause performance issues for most computers, the basic invasion of privacy that DoubleClick represents causes security researchers to suggest deletion of DoubleClick cookies if you’re worried about these cookies seeing things that you’d rather they didn’t see.
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In addition, you should also be aware that opt-out options for most types of DoubleClick cookies will often exclude the ability to opt-out of the IP-tracking feature even if you are allowed to opt out of other forms of DoubleClick’s monitoring features.

The Incidental Threat to Your Safety – from Google


DoubleClick cookies may also be exploited to cause other attacks against your PC, although these exploits are always caused by hackers who take advantage of DoubleClick without Google’s knowledge. Such exploits are often fixed ASAP, but their existence in the first place makes malware analysts recommend that you disable cookies for sites that you distrust. DoubleClick-based exploits have been used to install PC threats, such as Trojans, without acquiring consent beforehand.

Besides disabling cookies (a standard security option that most types of browser provide), keeping anti-malware products installed will allow you to detect and remove DoubleClick cookies at will. However, you should be aware that if your security settings don’t block further cookie-based intrusions, visiting a site where you acquired a DoubleClick cookie may only cause you to re-download DoubleClick. Since this is often the work of rotating advertisements by third-parties, blocking advertisements altogether is another and popular method to protect your computer from DoubleClick tracking cookies, although it’s not a substitute for appropriate PC security software.

DoubleClick Automatic Detection Tool (Recommended)


Is your PC infected with DoubleClick? To safely & quickly detect DoubleClick we highly recommend you run the malware scanner listed below.




Technical Details

Registry Modifications

Tutorial: To edit and delete registry entries manually, read the tutorial on how to remove malicious registry entries.

Tip & Warning: Editing and removing the wrong registry keys can severely damage your PC, so remember to backup your Windows Registry! To optimize your Windows Registry and speed up your PC, download RegHunter's registry cleaner.
  • The following newly produced Registry Values are:
    HKEY..\..\{Value}SOFTWARE\Microsoft\Windows\CurrentVersion\Backup, value: (doubleclick.com)SOFTWARE\Microsoft\Windows\CurrentVersion\Run, value: (doubleclick.com)SOFTWARE\Microsoft\Windows\CurrentVersion\Run, value: (doubleclick.net)SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved, value: (doubleclick.net)SOFTWARE\Microsoft\Windows\CurrentVersion\URL\Prefixes, value: (doubleclick.com)
Posted: March 26, 2005 | By
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Threat Metric
Threat Level: 1/10
Detection Count: 209

9 Comments

  • Dewboy says:

    To see cookies stored on your computer [this works only for Mozella FireFox]
    Right click on an open space on most any web page you are on.
    Look for “View Page Info” near the bottom, and click on it.
    {If you don’t see it at first, try a different location on the page or try a different web page.}
    A small window will open, look for “Security” at the top, click on that.
    Look for “View Cookies” in the middle right of the box, and click on that.
    A new box will open [you can now close the first box]
    There is a blue x at the right end of an address bar at the top [not the Window “close” X] click on the x.
    You will now see ALL the cookies stored on your computer.
    You can either selectively remove individual cookies, or remove all the cookies (recommended)
    HINT NOTE: Keep this box always open on the side and watch the continuous stream of cookies flowing in as you surf.
    You can periodically or continuously click the “Remove All Cookies” to keep the little buggers out.
    Small drawback: If you are signed into a site such as an email account, avoid removing their specific cookie as doing so will necessitate re-signing back in each time you remove that sites cookie(s). [very annoying]

  • truck insurance says:

    Hello There. I found your weblog the usage of msn. That is a very smartly written article. I?ll make sure to bookmark it and come back to read more of your helpful info. Thanks for the post. I?ll definitely comeback.

  • ft1997 says:

    HOW THE HELL DO I GET RID OF THIS COOKIE……MY NORTON KEEPS DETECTING AND FIXING EVERYTIME I DO THE SCAN……PLEASE HELP!!

  • Jos Herck says:

    I ‘am gone try it out

  • Audrey G says:

    Can you please send me some instructions on how to get this \”DOUBLECLICK COOKIE\” off my computer? Thank You……….

  • Hein says:

    Hi having problems with web pages not opening due to DoubleClick spyware.

  • SHIRLEY says:

    I did not ask for this doubleclick,.net you put on my computer and request you take it off.
    It is inteferring with everything I do.

  • Samuel Carr says:

    thank you for your information and help, I’ve been having trouble with doubleclick spyware browser entries on spybot S&D

  • Clark Smith says:

    Hello,

    How do I block cookies in Vista? I have Trend Anti Virus and it detects the same cookies every day. How do I prevent this? Thanks

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