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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Valentine.A

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Valentine.A
Technical name:VBSValentineAmm
Threat level:Low
Alias:VBS/Valentin, VBS/Valentine.A-mm
Type:Virus
Effects:  It modifies files, changes the browser home page, sends SMS messages to random numbers, and displays MS-DOS windows.

Affected platforms:

MS-DOS

Detection updated on:Nov. 14, 2001
StatisticsNo
Family:VALENTIN

Brief Description 

    

Valentine.A is a worm that spreads  rapidly using the following means of transmission:

  • E-mail messages with a blank subject line including HTML code in the AutoSignature.
  • Automatically sending itself through IRC chat.

It is very easy to get infected with this virus (if Outlook Express 5 is installed). In fact, infection will occur when the message is opened or just viewed through Outlook’s Preview pane. In addition, it sends itself to all the contacts in the Address Book.

Valentine.A has a large number of damaging effects, some of which are destructive: it modifies files, changes the browser home page, sends messages to mobile phones chosen at random, displays MS-DOS windows, etc.

Visible Symptoms 

    

The only symptom of the presence of Valentine.A on the affected computer is an e-mail message with a blank subject (the rest of the characteristics are variable).

When infection has taken place, Valentine.A displays an MS-DOS window.

Additionally, the browser home page is replaced with the following: http:// www.terra.es /personal/ acaymo.

Once Valentine.A has sent itself to the contacts in the Address Book and once it has sent SMS messages to mobile phones, it displays the following MS-DOS window: