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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Sdbot.GTW

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Sdbot.GTW
Technical name:W32/Sdbot.GTW.worm
Threat level:Low
Type:Worm
Effects:   It spreads and affects other computers. It searches for and steals passwords saved for certain Windows services. It uses the infected computer to take malicious actions on other users. It carries out actions that decrease the security level of the computer. It uses stealth techniques to avoid being detected by the user. It spreads , across the Internet, through shared network resources.
Affected platforms:

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

First detected on:March 13, 2006
Detection updated on:March 14, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Sdbot.GTW is a worm that spreads by copying itself, without infecting other files.

 

It captures certain information entered or saved by the user, with the corresponding threat to privacy: passwords saved by certain Windows services.

 

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 terminates processes belonging to security tools, such as antivirus programs and firewalls, leaving the computer defenseless against attacks from other malware; it changes the security settings of Internet Explorer, decreasing its security level; it opens one or more ports to allow remote access to the computer and takes action that compromises user confidentiality; it awaits remote-control orders received through FTP.

 

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

 

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

  • It terminates processes corresponding to several security tools, such as antivirus programs and firewalls, to prevent detection.
  • It deletes the original file from which it was run once it is installed on the computer.

 

Sdbot.GTW uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • Via Internet, exploiting remote vulnerabilities: attacking random IP addresses, in which it tries to insert a copy of itself by exploiting one or more vulnerabilities.
  • Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.