A standalone malicious program which uses computer or network resources to make complete copies of itself. May include code or other malware to damage both the system and the network.
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Worm:W32/Vobfus.BK is the latest variant in the large Worm:W32/Vobfus family (also detected as Trojan:W32/Chinky).
Unlike previous variants, this latest version of the malicious program is able to exploit a recent zero-day vulnerability (CVE-2010-2568) in Microsoft Window's handling of shortcut icons.
For more information on the vulnerability, please refer to Microsoft Security Bulletin 2286198 (http://www.microsoft.com/technet/security/advisory/2286198.mspx).
This malware is also mentioned in our Labs Weblog: