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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Ajax

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Ajax
Technical name:Adware/Ajax
Threat level:Medium
Type:Spyware
Subtype: Adware
Effects:  

It displays advertising pop-ups based on the searches made by the user through Google. It is downloaded when visiting a certain website.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95/3.X

First detected on:Sept. 18, 2006
Detection updated on:May 13, 2009
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Ajax is an adware program that displays advertising pop-ups based on the searches made by the user through Google.

Additionally, it registers itself as a BHO (Browser Helper Object). This way, it activates itself whenever the Internet browser is run.

Ajax is downloaded after visiting a certain website, which uses a exploit in order to download and run it. The user receives a link to this website through several means, such as email, instant messaging, etc.

Visible Symptoms 

    

Ajax is easy to recognize, as when the link mentioned above is followed, the following browser window is opened:

At this moment, if your computer is vulnerable to the exploit hosted in it, you will be affected by Ajax.