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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Doahi

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Doahi
Technical name:Trj/Doahi
Threat level:Low
Type:Trojan
Effects:  It shuts down the affected computer.
Affected platforms:

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

First detected on:April 5, 2003
Detection updated on:April 5, 2003
StatisticsNo

Brief Description 

    

Doahi is a Trojan that does not have any destructive effects, which shuts down the affected computer. When this Trojan has reached a computer, the affected machine could enter a loop, as Doahi is run everytime Windows is started and then the Trojan shuts down the computer.

Doahi does not use any specific means to spread. It can reach computers through the normal means used by viruses: e-mail messages with infected attachments, computer networks, CD-ROMs, Internet downloads, FTP, floppy disks, etc.

Visible Symptoms 

    

Doahi is easy to recognize, as it reaches computers in a file with the following icon:

When Doahi is run, it displays the following oval shaped form on screen:

If the user clicks on the ????? button in this form, Doahi shuts down the affected computer or sometimes displays a second message:

However, even if the user does not click on the ????? button, the computer will shut down after 15 seconds.