Alexa Toolbar

Alexa is a free, ad-based product which installs itself into your Internet Explorer or Netscape browser. It ads a bar which has a series of links into browser which gives quite a bit of information about each web page that visit. When we download the software, and at times during our use of the Alexa website and Toolbar Service, Alexa transmits Alexa cookies to the hard drive of computer. These cookies assign Web browser a unique series of numbers, letters, or characters that enable Alexa's servers to recognize and identify Web browser when we are using the Toolbar Service. They also enable Alexa to track and store information about Web usage path and online shopping while using the Toolbar Service.0

General information:

Malware Name:Alexa Toolbar
Malware Type:Toolbar
Company Name:Alexa Internet
Company URL:http://www.alexa.com/
Threat Level:Low Risk
Operating System:WIN XP
Installation Type:Installed through EXE
Operation:Time of After Installation

Company Description:

The Alexa Web Search Platform provides public access to the vast web crawl collected by Alexa Internet. Users can search and process billions of documents -- even creates their own search engines -- using Alexa's search and publication tools. Alexa provides compute and storage resources that allow users to quickly process and store large amounts of web data. Users can view the results of their processes interactively, transfer the results to their home machine, or publish them as a new web service.

Spyware Description:

Alexa is a free, ad-based product which installs itself into your Internet Explorer or Netscape browser. It ads a bar which has a series of links into browser which gives quite a bit of information about each web page that visit. When we download the software, and at times during our use of the Alexa website and Toolbar Service, Alexa transmits Alexa cookies to the hard drive of computer. These cookies assign Web browser a unique series of numbers, letters, or characters that enable Alexa's servers to recognize and identify Web browser when we are using the Toolbar Service. They also enable Alexa to track and store information about Web usage path and online shopping while using the Toolbar Service.0

Characteristics/Symptoms:

    -> Track browsing habits -> Adds a third-party utility bar to the web browser -> It has a search function and provides search results for paid advertisers -> Changes browser0

Additional information might be found here:

googleSearch at Google for Alexa Toolbar
bingSearch at Bing for Alexa Toolbar
yahooSearch at Yahoo for Alexa Toolbar

Processes Running:

File information Created after Installation:

File LocationSize (Bytes)Type
C:\WINDOWS\system32\ AlxRes.dll332Application Extension

Folder information Created after Installation:

Folder Location

Registry information Created after Installation:

Main Registry KeySub Registry KeyKey Value Name
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallAlexa ToolbarDisplayName
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post PlatformAlexa Toolbar
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Alexa ToolbarUninstallString