COOKIE_GO


 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Others

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

What is a cookie?

Cookies are small text files that are created on a user's system whenever they visit a website. It’s a way for that website to remember its visitors and all that they do on it, so the next time they visit, the website automatically recognizes them and lets them see and continue where they left off. It’s such a subtle process that, by default, users don’t even notice it.

Cookies are also used to track users’ browsing activity through multiple sites for marketing purposes. This lets internet advertisers figure out what sort of ads that the user would be more interested in, and display them accordingly.

Do cookies pose as threats?

By themselves, cookies are harmless, and are there simply for the ease and convenience of the user’s browsing experience. However, they can be considered as a threat to your privacy, as the cookies from certain ad networks can keep track of your online activities. This in itself can be considered a violation of a user’s privacy.

Cybercriminals can also utilize malware and browser attacks in the past to steal cookies. They do this to impersonate users on the websites they frequent, ‘fooling’ the website into automatically providing the compromised user’s personal information. WORM_KOOBFACE, for example, did exactly this to hijack users’ Facebook accounts and post on people’s walls without their authorization.

  TECHNICAL DETAILS

NOTES:

This tracking cookie arrives on a system as a downloaded file from the Internet when a affected user visits the Web site http://advertising.com.

Note that tracking cookies (data miners) are cookies used by two or more websites to track the affected user's Web browsing habits and display advertisements or other material the users might be interested in. Similar to adware, tracking cookies collect user information for third-party recipients.

  SOLUTION

Minimum Scan Engine:

9.300

NOTES:

What should we do with cookies?

  • Delete cookies regularly. The browser you use should have this feature. Consult your browser’s product manual or help guide to see how to do this.
  • Consider private browsing. Browsers have modes where they disable cookies automatically. Once again, consult your browser’s product manual or help guide to see how to do this.

For more information about cookies and your privacy online, you can check out our e-book on the subject here.


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