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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

GreatDefender

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:GreatDefender
Technical name:Adware/GreatDefender
Threat level:Medium
Alias:FakeAlert-JM,
Type:Adware
Effects:  

It is an adware program which passes itself off as an antivirus solution that protects the computer against any malware, when in fact it is not able to detect malware. It can reach the computer when the user accesses certain websites which display banners or pop-up windows which lead to the download of this program.

Affected platforms:

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

First detected on:Jan. 5, 2010
Detection updated on:Feb. 1, 2010
StatisticsNo

Brief Description 

    

GreatDefender is an adware program that deceives users passing itself off as a real antivirus program which will protect the computer against any malware and tries to persuade them to purchase the product.

GreatDefender can reach the computer when the user accesses certain websites which display banners or pop-up windows which lead to the download of this program. It can also reach the computer in a link that can be received via spam messages, fraudulent websites, etc.

Visible Symptoms 

    

GreatDefender is easy to recognize, as it shows the following symptoms:

  • Once installed in the computer, the interface of the program is opened and it starts scanning the system in search for possible malware:

    Interface of the program
  • It also adds an icon in the Desktop and in the task bar:

    Icon of the program added to the Desktop and to the task bar