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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

SdBot.LXF

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:SdBot.LXF
Technical name:W32/SdBot.LXF
Threat level:Medium
Type:Virus
Effects:   It carries out damaging actions on the affected computer. It uses the infected computer to take malicious actions on other users. It awaits remote-control orders to carry out. It uses stealth techniques to avoid being detected by the user. It does not spread automatically using its own means.
Affected platforms:

Windows XP/2000/NT/ME/98/95/3.X

First detected on:Aug. 13, 2008
Detection updated on:Dec. 17, 2009
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

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

 

It affects productivity, preventing tasks from being carried out:

  • In the affected computer: it converts the computer into a platform for taking malicious action surreptitiously: spam sending, launch of Denial of Service attacks, malware distribution, etc.

 

It reduces the security level of the computer: it awaits remote-control orders received through IRC.

 

It uses stealth techniques to avoid being detected by the user:

  • It uses techniques included in its code to hide itself while it is active.
  • It deletes the original file from which it was run once it is installed on the computer.

 

SdBot.LXF 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.

 

SdBot.LXF 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.