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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Gaobot.MSB

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Gaobot.MSB
Technical name:W32/Gaobot.MSB.worm
Threat level:Medium
Type:Worm
Effects:   It spreads and affects other computers. 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 spreads , via email, via IRC, through shared network resources.
Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:March 30, 2006
Detection updated on:March 30, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Gaobot.MSB is a worm that spreads by copying itself, without infecting other files.

 

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

Gaobot.MSB 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.

Gaobot.MSB redirects attempts to access several web pages to a specific IP address.

 

Gaobot.MSB 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.
  • Email: sending emails that include a copy of itself as an attachment. The computer is infected when the attachment is run.
  • IRC: It sends a copy of itself to all users connected to the channel to which the infected user is connected.
  • Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.