I´ve just gotten this info on this virus: <br />_________________________________________________________________ <br /> <br />NAME: Sobig.F <br />ALIAS: W32/Sobig.F@mm <br /> <br /> <br /> <br /> <br />THIS VIRUS IS RANKED AS LEVEL 1 ALERT <br />UNDER F-SECURE RADAR. <br />For more information, see: <br />
http://www.F-Secure.com/products/radar/ <br /> <br /> <br />A new variant of Sobig, known as Sobig.F was first found on August 19th, 2003 and it is spreading in the wild. <br /> <br />The executable has a size of around 70KB and it´s packed with TELock. It has its own SMTP engine, apart from routines to query directly DNS servers and make requests using the Network Time Protocol. <br /> <br />The worm also has updating capabilities. It will attempt to download updated versions when certain conditions are met. <br /> <br />Deactivation routine <br /> <br />The worm will stop spreading on 10th of September 2003. From this date onwards the worm will exit immediately when executed. <br /> <br />Infection <br /> <br />It will install itself into: <br /> <br /> <br /> %windir%\winppr32.exe <br /> <br />Proceeding then to add the following keys to the Windows Registry: <br /> <br /> <br /> [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] <br /> "TrayX" = %windir%\winppr32.exe /sinc <br /> <br /> <br /> [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] <br /> "TrayX" = %windir%\winppr32.exe /sinc <br /> <br />So it´s started when Windows does. <br /> <br />Mail spreading <br /> <br />The worm usually arrives in e-mails with the following characteristics: <br /> <br />From: <br /> <br /> <br /> The ´From:´ field is filled with an address found from the infected system. <br /> If no address is found, it will use "admin@internet.com" <br /> <br />To: <br /> <br /> <br /> The ´To:´ field is filled with an address found from the infected system. <br /> <br />Subject, any from the list: <br /> <br /> <br /> Re: Thank you! <br /> Thank you! <br /> Your details <br /> Re: Details <br /> Re: Re: My details <br /> Re: Approved <br /> Re: Your application <br /> Re: Wicked screensaver <br /> Re: That movie <br /> <br />Body, it chooses one from the two following lines: <br /> <br /> <br /> See the attached file for details <br /> Please see the attached file for details. <br /> <br /> <br />Attachment names can be any from: <br /> <br /> <br /> your_document.pif <br /> document_all.pif <br /> thank_you.pif <br /> your_details.pif <br /> details.pif <br /> document_9446.pif <br /> application.pif <br /> wicked_scr.scr <br /> movie0045.pif <br />_________________________________________________________________ <br /> <br />That should help out anyone who has been infected, though it doesn´t sound like anyone here has (I got no emoticon for crossing my fingers...or knocking on wood...:D) <br /> <br />