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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Assiral.A

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Assiral.A
Technical name:W32/Assiral.A.worm
Threat level:Low
Type:Worm
Effects:  

It modifies the configuration of the computer and the home page of Internet Explorer. It attempts to end processes belonging to several security tools, and spreads via e-mail.

Affected platforms:

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

First detected on:Feb. 23, 2005
Detection updated on:March 4, 2005
StatisticsNo

Brief Description 

    

Assiral.A is a worm that modifies the settings of the affected computer: it prevents users from accessing the Windows Registry Editor, the Run option in the Start menu and the command line. It also prevents drives from being listed in the Windows Explorer.

Additionally, Assiral.A modifies the home page of the browser Internet Explorer.

This worm also attempts to end processes belonging to antivirus programs and firewalls. If successful, this would leave the affected computer vulnerable to the attack of other malware.

Assiral.A spreads via e-mail.

This worm can only affect the computer if two specific DLLs (Dynamic Link Library) belonging to the C++ Builder runtime are installed on the affected computer.

Visible Symptoms 

    

Assiral.A is easy to recognize, as it reaches the computer in an e-mail message with the following characteristics:

  • Subject:
    Re: LOV YA !
  • Message:
    Kindly read and reply to my LOVE LETTER in the attachments :-)
  • Attachments:
    LOVELETTER.TXT.EXE

Additionally, once it has affected a computer, Assiral.A displays the following message on screen when it is run:

The user can also notice an MS-DOS window that appears briefly while Windows is starting up.