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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Deltad

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Deltad
Technical name:W32/Deltad
Threat level:Low
Alias:W32.Deltad.A@mm, Win32/deltad.Worm
Type:Worm
Effects:  It changes the Internet Explorer home page, prevents users from accessing the Windows Registry changes the security level in Outlook Express and Internet Explorer. 

Affected platforms:

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

First detected on:Sept. 23, 2002
Detection updated on:Sept. 23, 2002
StatisticsNo

Brief Description 

    

Deltad is a worm that reaches computers in an e-mail message with the subject SAP update. Both the message's subject and content try to convince the user that the attached file is a SAP update.   

However, when the attachment is run, the following actions take place:   

  • It changes the Internet Explorer home page.
  • The security level in Internet Explorer and Outlook Express is modified.    
  • It prevents access to the Windows Registry.
  • The Windows folder is shared as Admin$ with a password.  

Visible Symptoms 

    

A clear indication that Deltad has reached your computer is an e-mail message with the subject SAP UPDATE.

For further information about the characteristics of the e-mail message that carries this worm consult the Means of propagation section.

Once Deltad has installed itself on the system, it carries out the following actions:

  • It changes the Internet Explorer home page.
  • It prevents users from accessing the Windows Registry.