Published Feb 11, 2009|Updated Jul 13, 2017

Worm:Win32/Conficker.B!inf

Alert level: Severe Detected with Windows Defender Antivirus

Also detected as: No associated aliases

Microsoft security software detects and removes this worm.
 
Worm:Win32/Conficker.B!inf is the detection used for the autorun.inf files created by Conficker.B when it attempts to spread through mapped and removable drives.
For more information, please see Worm:Win32/Conficker.B.

Worm:Win32/Conficker.B is a worm that infects other computers across a network by exploiting a vulnerability in the Windows Server service (SVCHOST.EXE). 

If the vulnerability is successfully exploited, it could allow remote code execution when file sharing is enabled. It may also spread through removable drives and weak administrator passwords. It disables several important system services and security products.

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 .

 

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