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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Nugache.A

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Nugache.A
Technical name:W32/Nugache.A.worm
Threat level:Medium
Type:Worm
Effects:  

It opens several ports and connects to certain IP addresses, in order to receive remote P2P commands. It exploits the vulnerabilities LSASS and RPC DCOM, in order to spread to as many computers as possible, among other means of transmission.

Affected platforms:

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

First detected on:May 1, 2006
Detection updated on:May 3, 2006
StatisticsNo

Brief Description 

    

Nugache.A is a worm that opens several ports and connects to a list of IP addresses, in order to receive remote P2P commands.

Nugache.A uses several different means to spread:

  • Across the Internet by exploiting the vulnerabilities LSASS and RPC DCOM.
  • Via the instant messaging program MSN Messenger.
  • Via email.

 

It is highly recommendable to download the security patches for the vulnerabilities LSASS and RPC DCOM from the Microsoft website.

Visible Symptoms 

    

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