From; Sophos Alert System: Name: Troj/Insor-B Aliases: Trojan-Dropper.Win32.Small.aay, Downloader-ACG Type: Trojan Date: 28 June 2005 Sophos has issued protection for Troj/Insor-B. At the time of writing, Sophos has received a small number of reports of this Trojan from the wild. Customers using EM Library, Enterprise Console, PureMessage or any of our Sophos small business solutions will be automatically protected at their next scheduled update. Information about Troj/Insor-B can be found at: http://www.sophos.com/virusinfo/analyses/trojinsorb.html Troj/Insor-B is a downloader and proxy Trojan. When run the Trojan drops iedld32.dll into the Windows system folder and loads it. When there is an active internet connection Troj/Insor-B notifies a remote server that it is active and waits for a command. Troj/Insor-B can be given a command to download and run an executable or provide a proxy connection on a random port. Troj/Insor-B will create the following registry entries so as to auto-load: HKCR\CLSID\(114C670C-C510-4F49-B431-4B812F50BA7B)\InprocServer32 (default) "<System>\iedld32.dll" The Troj/Insor-B virus identity file (IDE) includes detection for: Troj/Yaler-B http://www.sophos.com/virusinfo/analyses/trojyalerb.html Troj/Dluca-S http://www.sophos.com/virusinfo/analyses/trojdlucas.html W32/Combra-B http://www.sophos.com/virusinfo/analyses/w32combrab.html Troj/Bancban-DJ http://www.sophos.com/virusinfo/analyses/trojbancbandj.html Troj/Bancban-DI http://www.sophos.com/virusinfo/analyses/trojbancbandi.html Customers with 3.xx or lower versions of Sophos Anti-Virus, who are not running EM Library, can manually download the IDE for Troj/Insor-B from: http://www.sophos.com/downloads/ide/insor-b.ide Read about how to use IDE files at http://www.sophos.com/support/knowledgebase/article/363.html *********** MIKE"S REPLY SEPARATOR *********** Mike ~ It is a good day if I learned something new. Editor MikesWhatsNews see a sample on my web page http://www3.telus.net/mikebike <mikeswhatsnews-request@xxxxxxxxxxxxx?Subject=subscribe> http://www3.telus.net/mikebike/worm_removal.htm See my Anti-Virus pages http://virusinfo.hackfix.org/index <virusinfo-request@xxxxxxxxxxxxx?Subject=subscribe> A Technical Support Alliance and OWTA Charter Member