It is designed to annoy users, as it displays several messages on screen; one of them informing users that the computer is going to be restarted. It spreads through removable drives, like USB keys.

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

GYMIZI.A is a worm designed to annoy users, as it displays several messages on screen; one of them informing users that the computer is going to be restarted. Additionally, it modifies the screen displayed when the system is restarted.

On the other hand, when browsing through the Internet Explorer, it modifies the text of the window title, and in the case of Firefox, when users attempt to open it, it is closed.

GYMIZI.A spreads through removable drives, like USB keys.

GYMIZI.A is easy to recognize, as it displays the following symptoms:

• When users open the Internet Explorer browser:
  - It displays a animated image with a progress bar, as can be seen in the following image:
  
  
  - It modifies the window title of the browser, changing it to the following message:
  
  
• It displays the following message:
  
  
• Then, this other message indicating that the computer is going to be restarted: