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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Lebreat.C

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Lebreat.C
Technical name:W32/Lebreat.C.worm!CME-875
Threat level:Low
Alias:CME-875
Type:Worm
Effects:  

It downloads the worms FlyVB.D and Sdbot.EKE and launches Denial of Service attacks against the web page www.symantec.com. It spreads via email and across the Internet, exploiting the LSASS vulnerability.

Affected platforms:

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

First detected on:July 18, 2005
Detection updated on:Jan. 14, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Lebreat.C is a worm that downloads other malware to the affected computer, such as FlyVB.D and Sdbot.EKE.

Additionally, it launches DoS (Denial of Service) attacks against the web page www.symantec.com.

It also attempts to disable several Windows tools, such as Task Manager, Windows XP firewall, Windows Update, etc. However, it fails to do so due to several programming errors.

Lebreat.C spreads via email with a message of variable characteristics, and across the Internet. In this case, it will attack random IP addresses in order to exploit the LSASS vulnerability.

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If you have a Windows XP/2000 computer, it is highly recommendable to download the security patch for the LSASS vulnerability from the Microsoft website.

Visible Symptoms 

    

Lebreat.C is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.