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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Astry.A

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Astry.A
Technical name:Trj/Astry.A
Threat level:Medium
Type:Trojan
Effects:  

It displays several annoying messages for the user and prevents the folder settings of the Windows Explorer from being modified. It does not spread automatically using its own means.

Affected platforms:

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

First detected on:Nov. 2, 2007
Detection updated on:Nov. 14, 2007
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Astry.A is a Trojan that prevents the user from modifying the folder settings through the option Folder Options of the Windows Explorer.

Additionally, it displays several messages, one of them displayed when starting the computer and the other at certain hours scheduled by the Trojan.

Astry.A does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer.

Visible Symptoms 

    

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

  • When the computer is started, the following message is displayed:

  • At certain scheduled hours, the following image is displayed:


    The hours when this image is displayed are:
    10:10:10
    13:13:13
    15:15:15
    21:21:21
    23:00:50
    10:10:10 AM
    1:13:13 PM
    3:15:15 PM
    9:21:21 PM
    10:22:22 PM
  • It modifies the information of the section View in Folder Options of the Windows Explorer: