From; Sophos Alert System: Name: W32/Francette-S Aliases: Exploit.DCOM.Gen, Backdoor.Win32.Delf.abc, Generic BackDoor.i Type: Win32 worm Date: 8 June 2005 Sophos has issued protection for W32/Francette-S. At the time of writing, Sophos has received a small number of reports of this worm 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 W32/Francette-S can be found at: http://www.sophos.com/virusinfo/analyses/w32francettes.html W32/Francette-S is a Windows worm with an IRC backdoor component that spreads by scanning the internet for computers vulnerable to the RPC/DCOM exploit. A patch for the vulnerability exploited by W32/Francette-S can be obtained from Microsoft at: MS03-026 W32/Francette-S runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels. In order to run automatically when Windows starts up the worm sets the following registry entry: HKLM\Software\Microsoft\Windows\CurrentVersion\Run\ Microsoft IIS = <filename> W32/Francette-S also modifies the Windows HOSTS file in an attempt to prevent access to the following websites: ibank.barclays.co.uk online-business.lloydstsb.co.uk online.lloydstsb.co.uk www.halifax-online.co.uk www.ukpersonal.hsbc.co.uk www.nwolb.com banesnet.banesto.es extranet.banesto.es The W32/Francette-S virus identity file (IDE) includes detection for: Troj/Qukart-W http://www.sophos.com/virusinfo/analyses/trojqukartw.html Troj/VB-GX http://www.sophos.com/virusinfo/analyses/trojvbgx.html Troj/PcClient-J http://www.sophos.com/virusinfo/analyses/trojpcclientj.html Troj/Banker-DD http://www.sophos.com/virusinfo/analyses/trojbankerdd.html Troj/Zlob-J http://www.sophos.com/virusinfo/analyses/trojzlobj.html Troj/Dloader-OL http://www.sophos.com/virusinfo/analyses/trojdloaderol.html Troj/Bancos-CX http://www.sophos.com/virusinfo/analyses/trojbancoscx.html Customers with 3.xx or lower versions of Sophos Anti-Virus, who are not running EM Library, can manually download the IDE for W32/Francette-S from: http://www.sophos.com/downloads/ide/fran-s.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
