x
48h OFFER
If you're already a customer of
our homeusers protection,
renew now with a 50% off
RENEW NOW
x
HALLOWEEN OFFER
take advantage of our
terrific discounts
BUY NOW AND GET A 50% OFF
x
CHRISTMAS OFFER
Buy the best antivirus
at the best price
BUY NOW AND GET A 40% OFF
x
SPECIAL OFFER
Buy the best antivirus
at the best price
BUY NOW AND GET A 50% OFF
x
BLACKFRIDAY OFFER
Buy the best antivirus
at the best price
TODAY ONLY UP TO 70% OFF
x
CYBERMONDAY OFFER
Buy the best antivirus
at the best price
(Only for homeusers)
TODAY ONLY UP TO 70% OFF
Active Scan. Scan your PC free
Download Cloud Antivirus Gratis

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Gaobot.MRU

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Gaobot.MRU
Technical name:W32/Gaobot.MRU.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 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 uses stealth techniques to avoid being detected by the user. It spreads by exploiting vulnerabilities, via email, through shared network resources.
Affected platforms:

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

First detected on:March 29, 2006
Detection updated on:March 29, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Gaobot.MRU 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.
  • In the local network: it generates a large amount of network activity and consumes bandwidth.

 

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 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 IRC, HTTP, or FTP.

 

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 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.

 

Gaobot.MRU 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.
  • Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.