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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Astia.U

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Astia.U
Technical name:W97M/Astia.U
Threat level:Low
Type:Virus
Effects:  It displays messages on screen. It inserts texts in open Word documents. It disables options and removes the horizontal and vertical scroll bars in Word.

Affected platforms:

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

Detection updated on:Sept. 10, 2001
StatisticsNo
Family:VALENTIN

Brief Description 

    

Astia.U is a macro virus that has a many effects in Word:

  • It displays texts and warnings every time the user accesses certain options in the main menu.
  • It removes the horizontal and vertical scroll bars.
  • It disables some options.

It inserts a text in the Word documents that are open .

Like most macro viruses, Astia.U reaches computers in an infected Word 97 document with a DOC extension. From there, it infects the Word global template (NORMAL.DOT file) spreading its infection to all the Word documents that use this template.

Visible Symptoms 

    

Clear indications that Astia.U has infected a computer are:

  • It disables the Escape key.
  • It replaces the title of the window by Marwoto T.Spil Nanajemem.
  • It displays a message in Indonesian.

    Terimakasih Anda Telah
    Memproteski Word dengan Aman

  • Astia.U deletes the horizontal and vertical scroll bars. In addition, it displays a window every time the user accesses the following Word options: View-Toolbar-VisualBasic and Tools-Macro-Macros.

      

Astia.U only does this if the data is later than September 10, 1999.

If a user attempt to access the following options:

View-Toolbar-Visual Basic Editor and clicks on Yes, the virus will insert the text Macro non-Machiko in the Word documents that are open.

Tools-Macro-Macrosand clicks on Yes, Astia.U inserts the following text in the Word documents that are open:

Macros machiko mungkin tidak bisa Anda hapus, Anda hanya bisa menghapus makro buatan Anda
(Descr: Makro non-Machiko).