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Microsoft Security Intelligence
Published Aug 06, 2009 | Updated Sep 15, 2017

Worm:Win32/Rimecud.B

Detected by Microsoft Defender Antivirus

Aliases: Win-Trojan/Buzus.143360.BT (AhnLab) Trojan.Win32.Buzus.apjj (Kaspersky) W32/Buzus.LFM (Norman) Win32/Agent.NFV (ESET) Win32/SillyP2P.BY (CA) W32/Autorun.worm.fz (McAfee)

Summary

Worm:Win32/Rimecud is a family of worms with multiple components that spreads via removable drives and instant messaging. It also contains backdoor functionality that allows unauthorized access to an affected machine.
Manual removal is not recommended for this threat. 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.
Disable Autorun functionality
Worm:Win32/Rimecud.B attempts to spread via removable drives on computers that support Autorun functionality. This is a particularly common method of spreading for many current malware families. For information on disabling Autorun functionality, please see the following article:
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