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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Ransom.AB

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Ransom.AB
Technical name:Trj/Ransom.AB
Threat level:Medium
Type:Trojan
Effects:  

It is designed to blackmail users, by blocking the computer and by asking $12 for some code to unblock it. It does not spread automatically using its own means.

Affected platforms:

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

First detected on:Sept. 10, 2010
Detection updated on:Sept. 13, 2010
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Ransom.AB is a Trojan designed to blackmail users, as it causes the computer to be blocked and asks $12 for some software to unblock the system.

When it is run, it displays on screen an email message in Russian (in case users have the OS in Russian or the corresponding language packet) and prevents users from working with their computer.

This is why it is a malware mainly designed too affected Russian users.

Ransom.AB does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer.

Visible Symptoms 

    

Ransom.AB is easy to recognize, as it shows the following symptoms:

  • It reaches the computer in a file which has the following icon, passing itself off as a video with content for adults:

    File in which Ransom.AB reaches the computer
  • When the file is run, a wallpaper is displayed on screen and the computer is blocked.
  • The message displayed on screen informs users that they have to send an SMS and pay $12, so that they can receive some code to unblock the computer.
  • If users do not have the OS in Russian or the corresponding language packet installed, they will see the message in the following way:

    Message displayed by Ransom.AB

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