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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

MerryX.A

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:MerryX.A
Technical name:Trj/MerryX.A
Threat level:Medium
Type:Trojan
Subtype: Keylogger
Effects:  

It logs the keystrokes typed by the user, and it obtains information about the computer. It has been massively sent via email in a message with two files as attachments: one with GIF extension and the other with RAR extension.

Affected platforms:

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

First detected on:Dec. 19, 2005
Detection updated on:Dec. 20, 2005
StatisticsNo

Brief Description 

    

MerryX.A is a Trojan that logs the keystrokes typed by the user. This can be used to capture passwords or other kind of sensitive information, thus posing a threat to the user's confidentiality. It obtains information about the affected computer, such as its IP address and access passwords, among others.

Then, it connects to a remote server, to which it sends the gathered information.

It also attempts to download files from different websites. These files can be of any nature, including malware.

MerryX.A reaches the computer via email in a message with the following files as attachments: A_LIGHTSMC10.GIF and MERRY CHRISTMAS!.RAR.

Visible Symptoms 

    

MerryX.A is easy to recognize, as it reaches the computer via email in a message with the following characteristics:

  • Subject:
    MERRY CHRISTMAS!
  • Message:
    Merry Christmas and a Happy New Year !

  • Attachments:
    A_LIGHTSMC10.GIF and MERRY CHRISTMAS!.RAR.