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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Alexa

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Alexa
Technical name:Adware/Alexa
Threat level:Low
Alias:Win32/Agent.NEO,, Alexa-MSN
Type:Spyware
Subtype: Adware
Effects:  

It logs all the web pages the user accesses and sends this information to its company servers, in order to create statistics about most visited sites, know user preferences, etc.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Nov. 25, 2004
Detection updated on:Sept. 23, 2009
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Alexa is a Windows Registry entry created either by the browser Internet Explorer or some of its service packs, and provides adware characteristics.

This entry displays the item Show Related Links in the Tools menu of Internet Explorer. If the user clicks this option, a sidebar is displayed, which uses servers in the company Alexa in order to search for web pages similar to the one currently displayed in Internet Explorer.

However, Alexa also logs all the web pages the user accesses and sends this information to the company servers, in order to create statistics about most visited sites, know user preferences, etc.

Visible Symptoms 

    

Alexa is easy to recognize, as it displays the item Show Related Links in the Tools menu of Internet Explorer:

If the user runs this option, it appears the following sidebar: