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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Jalas

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Jalas
Technical name:Joke/Jalas
Threat level:Low
Type:Joke
Effects:  

It opens up to fifty one windows on screen.

Affected platforms:

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

Detection updated on:April 22, 2004
StatisticsNo

Brief Description 

    

Jalas is a joke type malware. These harmless programs display fake error messages on screen warning of destructive actions, simulate these actions or change the mouse or screen settings.

In this particular case, Jalas displays a message in Portuguese, asking if the user wants some windows to be opened on the screen. The message has two buttons: Sim (Yes) and Nao (No). Both buttons interchange their positions when the user attempts to click the Nao button, thus making it impossible to be pushed.

If the user finally pushes the Sim button, up to fifty one messages are opened on screen, with different texts, such as Cromo!!!!, Pato, Tanso, etc.

If the user does not want these windows to be opened, it is necessary to close the original message, using the Close button, in its upper right corner.

Visible Symptoms 

    

Jalas is easy to recognize, as it displays the following message on screen:

If the user pushes the Sim (Yes) button, up to fifty one messages are opened on screen, with different texts, such as Cromo!!!!, Pato, Tanso, etc.