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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.


Threat LevelLow threatDamageHighDistributionNot widespread
Common name:FlySky.AU
Technical name:W32/FlySky.AU
Threat level:Medium
Subtype: Worm
Effects:   It spreads and affects other computers, and has damaging effects on the affected computer.
Affected platforms:

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

First detected on:Jan. 15, 2010
Detection updated on:April 22, 2010

Brief Description 

FlySky.AU is a virus that also has the characteristics of a worm.
FlySky.AU gets into a computer via e-mail, the Internet, floppy disks, etc, and it spreads by inserting its code in other files and programs. Its effects can range from simply annoying to destructive.
Furthermore, due to its worm characteristics, FlySky.AU also spreads by sending out copies of itself. Its main objective is to collapse computers and networks, preventing users from working with the affected computer.


It uses stealth techniques to avoid being detected by the user:

  • It uses techniques included in its code to hide itself while it is active.


FlySky.AU uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • Via Internet, exploiting remote vulnerabilities: attacking random IP addresses, in which it tries to insert a copy of itself by exploiting one or more vulnerabilities.
  • Computer networks (mapped drives): it creates copies of itself in mapped drives.
  • Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.