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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Netsky.K

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Netsky.K
Technical name:W32/Netsky.K.worm
Threat level:Low
Alias:W32/Netsky.K@mm
Type:Worm
Effects:  

It deletes the entries belonging to several worms, including Mydoom.A, Mydoom.B, Mimail.T and several variants of Bagle. It emits a sound through the internal speaker.

Affected platforms:

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

Detection updated on:April 15, 2004
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Netsky.K is a worm that deletes the entries that belong to several worms, including Mydoom.A, Mydoom.B, Mimail.T and several variants of Bagle.

Netsky.K spreads via email in a message with variable characteristics.

When the system date is March 10, 2004, between 10:00 a.m. and 10:59 a.m., Netsky.K emits a sound that consists of random tones through the internal speaker.

In addition, on March 16, 2004, Netsky.K opens the port 26 and waits to be connected through it. Then, it deletes the entry it created in the Windows Registry and displays a message on screen.

Visible Symptoms 

    

Netsky.K is easy to recognize, as it emits a sound that consists of random tones through the internal speaker when the system date is March 10, 2004, between 10:00 a.m. and 10:59 a.m. To hear this sound, click here.

On March 13, 2004, Netsky.K displays the following message on screen:

In addition, on March 16, 2004, Netsky.K opens the port 26 and waits to be connected through it. Then, it displays the following message on screen: