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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Whitehome

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Whitehome
Technical name:VBS/Whitehome
Threat level:Low
Type:Worm
Effects:   It spreads and affects other computers. It captures certain information entered or saved by the user, with the corresponding threat to privacy. It causes the loss of information stored on the computer, either specific files or data in general. It affects the productivity of the computer, the network to which it’s connected or other remote sites. It carries out actions that decrease the security level of the computer. It spreads , via email.
Affected platforms:

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

Detection updated on:June 30, 2003
StatisticsNo

Brief Description 

    

VBS/Whitehome is a worm written in Visual Basic Script that mails itself out to all the entries in the user's address book. Additionally, the worm will also e-mail itself out to certain addresses contained in the virus code.

 

During its execution, the virus creates several copies of itself with different names and formats in the Windows installation directory and the Windos/System folder. Furthermore, if the affected system's user name coincides with certain text strings, the worm modifies the file c:\AUTOEXEC.BAT by adding the command DELTREE c:\. With this command, the worm will manage to delete all the information contained in drive C:.


 

Visible Symptoms 

    

This worm creates several copies of itself in several directories on the affected system. It creates a file called PROFILE.VBS in the Windows installation directory. Additionally it creates the files MDM.VBS, USER.DLL, README.HTML and SYSTEM.DLL in the Windows/System folder.

 

In addition, it checks to see if the user name coincides with any of the following: 


white home
central intelligence agency
bush
american stock exchang
chief executive
usa

If any of texts coincide with the affected system's user name, the worm will modify the file C:\AUTOEXEC.BAT by adding the command DELTREE C:\. With this command, the worm manages to delete all the files and folders in the C: drive.

 

Additionally, if the system date stamp matches 5 July, it creates a file called 75.HTM in the Windows/System folder. 

 

Finally, the worm finds all the files with HTML extension in order to overwrite them with its code.