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.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
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: