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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

ljf

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:ljf
Technical name:LFJ.1098
Threat level:Low
Type:Virus
Effects:   It carries out damaging actions on the affected computer. It does not spread automatically using its own means.
Affected platforms:

MS-DOS

Detection updated on:May 14, 2009
StatisticsNo

Brief Description 

    

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

 

ljf 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.

 

ljf 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.
  • Overwriting: it deletes the content of infected files and substitutes it with its code. Therefore, these files will be unusable and cannot be restored. When users try to open the original file, they will actually be running a copy of the virus.