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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Sobig.D

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Sobig.D
Technical name:W32/Sobig.D
Threat level:Low
Type:Worm
Effects:  It does not have any destructive effects. It spreads via e-mail and across networks.
Affected platforms:

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

Detection updated on:June 19, 2003
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Sobig.D is a worm that does not have any destructive effects, which spreads via e-mail and across networks. The message carrying this worm is easy to identify, as the message text is always: See the attached file for details.

Once it has infected a computer, Sobig.D looks for e-mail addresses in all the files it finds on the affected computer with the following extensions: TXTEMLHTMHTMLDBX and WAB. It then sends a copy of itself to all these addresses.

Sobig.D can also copy itself to the Startup directories in the computers connected to the same network as the affected computer.

Visible Symptoms 

    

Sobig.D is easy to recognize when it spreads via e-mail, as the message text is always: See the attached file for details.