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Published Feb 02, 2009 | Updated Aug 22, 2017

WinNT/Conficker

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

WinNT/Conficker is a trojan component of Worm:Win32/Conficker that aids in restarting the TCP/IP service.
 
Microsoft strongly recommends that users apply the update referred to in  Security Bulletin MS08-067 immediately.
 
Microsoft also recommends that users ensure that their network passwords are strong to prevent this worm from spreading via weak administrator passwords. More information is available here .
 
Microsoft also recommends that users apply an update that changes the AutoPlay functionality in Windows to prevent this worm from spreading via USB drives. More information is available in the Microsoft Knowledgebase Article KB971029 .
Microsoft strongly recommends that users apply the update referred to in  Security Bulletin MS08-067 immediately.
 
Microsoft also recommends that users ensure that their network passwords are strong to prevent this worm from spreading via weak administrator passwords. More information is available here .
 
Microsoft also recommends that users apply an update that changes the AutoPlay functionality in Windows to prevent this worm from spreading via USB drives. More information is available in the Microsoft Knowledgebase Article KB971029 .
 
To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
 
Note: Computers infected by Conficker may be unable to connect to web sites related to security applications and services that may otherwise assist in the removal of this worm (for example, downloading antivirus updates may fail). In this case users will need to use an uninfected computer in order to download any appropriate updates or tools and then transfer these to the infected computer.
 
Microsoft Help and Support have provided a detailed guide to removing Win32/Conficker infection from an affected computer, either manually or by using the MSRT (Malicious Software Removal Tool).
 
For detailed instructions on how to manually remove Win32/Conficker, view the following article using an uninfected computer:
http://support.microsoft.com/kb/962007 - Virus alert for Win32/Conficker and manual removal instructions
 
Additional information on deploying MSRT in an enterprise environment can be found here:
http://support.microsoft.com/kb/891716 - Deployment of MSRT in an enterprise environment
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