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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Hairy.A

 
Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Hairy.A
Technical name:W32/Hairy.A.worm
Threat level:Medium
Alias:W32/Autorun.worm.g,WORM_HAIRY.A,
Type:Worm
Effects:  

It creates three user accounts, which would allow it to access the affected computer remotely, modifies the start page of Internet Explorer, disables the Windows XP firewall, the Windows Registry Editor and the Task Manager, among others. It spreads by making copies of itself in the available drives.

Affected platforms:

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

First detected on:July 4, 2007
Detection updated on:July 9, 2007
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Hairy.A is a worm that creates three user accounts with the names of several Harry Potter characters, which would allow it to access the affected computer remotely.

Additionally, it modifies the start page of Internet Explorer, disables the Windows XP firewall, the Windows Registry Editor and the Task Manager, among others.

On the other hand, it creates an scheduled task, in order to be run periodically.

Hairy.A spreads by making copies of itself in the available drives from C: to J:, including removable devices.

Visible Symptoms 

    

Hairy.A is easy to recognize, as it shows the following sympthoms:

  • When it is run, the following message is displayed:

    Message displayed by Hairy.A
    where Harry Potter is dead can be read.
  • Then, it restarts the computer and displays the following message:

    Message displayed by Hairy.A
>