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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Darby.A

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Darby.A
Technical name:W32/Darby.A
Threat level:Low
Type:Worm
Effects:  It ends proceses belonging to antivirus programs, firewalls and system monitoring tools. It disables the Windows Registry editing tools
Affected platforms:

Windows ME/98/95

First detected on:Aug. 27, 2003
Detection updated on:Oct. 13, 2004
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Darby.A is a virus that shares characteristics with worms and spreads via e-mail, through peer-to-peer file sharing (P2P) programs and via IRC.

Darby.A ends processes belonging to several antivirus programs and other applications, such as firewalls and system monitoring tools. This leaves the affected computer vulnerable to the attacks of other viruses and worms.

Darby.A infects Word’s global template (NORMAL.DOT file) and Excel’s template (TEMPLATE.XLS file). All the Word documents and Excel spreadsheets based on these templates will then be infected. In addition, Darby.A disables the macro editing tools incorporated in these programs.

Visible Symptoms 

    

Darby.A is easy to recognize once it has infected the computer, as it displays the following messages on screen:

  • In computers with a Spanish version of any Windows operating system, it displays the following message on screen when the system date reaches the first day of every month:

  • When the user pushes the OK button, it displays the following fake error message:


    If the Windows operating system is in any other language but Spanish, the text will be displayed in English.