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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Mapson.C

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Mapson.C
Technical name:W32/Mapson.C@MM
Threat level:Low
Alias:I-Worm.Mapson.c, W32/Mapson.gen@MM
Type:Worm
Effects:  

It ends several processes belonging to Windows tools, antivirus and firewall applications, among others. It spreads via email, through P2P programs and the mIRC program.

Affected platforms:

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

First detected on:July 10, 2003
Detection updated on:March 16, 2005
StatisticsNo
Country of origin:MEXICO

Brief Description 

    

Mapson.C is a worm that ends several processes belonging to Windows tools, as well as several antivirus programs and aplications such as firewalls. This would leave the affected computer vulnerable to the attack of malware.

Mapson.C spreads via email, through peer-to-peer (P2P) file sharing programs and via IRC channels.

Visible Symptoms 

    

Mapson.C is easy to recognize once it has affected the computer, as it displays the following symptoms:

  • When it reaches the computer, the executable file belonging to Mapson.C has the same icon as a text file, in order to deceive users making them believe that it is harmless.
  • In October, it displays the following messages on screen:



  • Additionally, on the fourth of every month, it displays a message window with information about the virus creator, and it opens the Internet Explorer browser at the following web page:
    http://www.gratisweb.com/falckon/index.html