Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.


Threat LevelModerate threatDamageHighDistributionNot widespread
Technical name:Fantasma.1000
Threat level:Low
Effects:   It carries out damaging actions on the affected computer. It captures certain information entered or saved by the user, with the corresponding threat to privacy. It causes the loss of information stored on the computer, either specific files or data in general. It affects the productivity of the computer, the network to which it’s connected or other remote sites. It carries out actions that decrease the security level of the computer. It does not spread automatically using its own means.
Affected platforms:


Detection updated on:Nov. 13, 2002

Brief Description 


Fantasma.1000 is a virus that spreads to other computers by copying its code to other files or programs.


Fantasma.1000 prevents access from programs to websites of several companies related with security tools (antivirus programs, firewalls, etc.).

Fantasma.1000 redirects attempts to access web pages of certain banks to spoofed pages, with the aim of logging information entered by the user in these pages.

Fantasma.1000 redirects attempts to access several web pages to a specific IP address.


Fantasma.1000 does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer. The means of transmission used include, among others, floppy disks, CD-ROMs, email messages with attached files, Internet downloads, FTP, IRC channels, peer-to-peer (P2P) file sharing networks, etc.


Fantasma.1000 uses the following infection strategies:

  • Resident: once it has been run, the virus goes memory resident and stops functions belonging to the operating system. Therefore, every time the operating system or an application tries to access any of these functions, the virus will activate and infect new files.
  • Stealth: when the virus is memory resident, it hides the modifications made to the boot sectors or files it has infected. These modifications are: changes in size, date, attributes, etc.
  • Encrypted: it encrypts its code in order to make it difficult to detect. In order to carry out its infection, the virus decrypts itself and, once infection has been carried out, it encrypts itself again.


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