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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Nussack.A

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Nussack.A
Technical name:W32/Nussack.A.worm
Threat level:Medium
Type:Worm
Effects:  

It is programmed to open and close the CD-DVD ROM tray and to log the keytrokes and mouse movements carried out by the user with the aim to obtain confidential information. It spreads making copies of itself in the available removable files.

Affected platforms:

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

First detected on:Oct. 20, 2007
Detection updated on:Oct. 23, 2007
StatisticsNo

Brief Description 

    

Nussack.A is a worm that is programmed to carry out the following actions:

  • to open and close the CD-DVD ROM tray.
  • to log the keystrokes and mouse movements carried out by the user. This way, it could obtain confidential information, such as any type of passwords and usernames.
  • to display a message with the text I LOVE KASUN.

Nussack.A spreads by making copies of itself in the removable devices it detects in the affected computer.

Visible Symptoms 

    

Nussack.A is easy to recognize, as once it is run, when the user opens a website with the Internet Explorer browser, the screen blinks constantly.

In order to understand better how it works, an explanatory video is at your disposal.