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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Sadhound

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Sadhound
Technical name:Bck/Sadhound
Threat level:Low
Alias:Multidropper-CE, Backdoor.Welkom, TrojanDropper.Win32.Small.aa
Type:Trojan
Effects:  It connects to an IRC chat channel and allows hackers to access the affected computer.

Affected platforms:

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

First detected on:Jan. 31, 2003
Detection updated on:Feb. 23, 2005
StatisticsNo

Brief Description 

    

Sadhound is a dangerous Trojan, as it allows a remote user to access the affected computer. It does this by connecting to a specific channel of the IRC chat program.

Sadhound does not use any specific means to spread. It can reach computers through the usual means used by viruses: floppy disks, CD-ROMs, e-mail messages with infected attachments, Internet downloads, FTP, etc. Sadhound is sometimes dropped in affected computers by another Trojan called Juntador.

Visible Symptoms 

    

Sadhound can reach computers through two different ways:

  • In an infected file. In this case, it does not give any indication that it has reached an infected computer.
  • However, it can also be dropped by another Trojan called Juntador. In this case, it is very easy to identify as it displays the following text in a window belonging to the program Notepad:

    There's no
    special reason
    for sending
    this to you,
    except that...
    I was feeling
    a little lonely,
    and when I asked myself
    what I seemed to be
    missing the most,
    the answer
    turned out to be
       ...you.
    I Miss You