F - Z A F I ----------- The F-Zafi utility disinfects computers infected with the following Zafi (also known as Erkez or Kapes) worm variants: Zafi.A Zafi.B Zafi.C Zafi.D Disinfection procedure should be as follows: 1. Unpack the F-Zafi utility from the provided ZIP archive either with WinZip or PkUnzip utilities. A trial version of WinZip archiver can be downloaded from the following website: http://www.winzip.com/ddchomea.htm 2. Run the unpacked F-Zafi.exe file from a hard disk to eliminate the infection. You can run the utility by either doubleclicking on it from Windows Explorer or you can start it from a command interpreter (COMMAND.COM or CMD.EXE) by typing its name at command prompt and pressing 'Enter' (for advanced users). First the F-Zafi utility will kill Zafi worm's processes in memory. Then the utility will remove Registry entries created by the worm. Finally the utility will scan all hard drives for infected files and delete them. 3. Restart a computer. After restart your system should be clean. You can get a trial version of F-Secure Anti-Virus and the latest updates for it from our website: http://www.europe.f-secure.com/download-purchase/list.shtml http://www.europe.f-secure.com/download-purchase/updates.shtml IMPORTANT NOTES --------------- Zafi.B worm can overwrite executable files belonging to different applications with its body. Sometimes it can kill files of certain applications by reducing their file's size to zero. The F-Zafi utility will delete files overwritten by the worm, so affected applications have to be re-installed or restored from backups. The same should be done for the application files zeroed by the worm. If a computer with Windows NT, 2000 or XP system is being disinfected, please log in as Administrator or as a user with local admin rights, otherwise the F-Zafi utility might not disinfect the system correctly. If you have Windows ME or XP, it is recommended to disable System Restore feature of these operating systems to prevent your computer from re-infection with Zafi worm. The fact is that System Restore feature of these operating systems might save the infected file into the special folder and copy it back to a hard drive it every time it's been deleted by F-Zafi utility. The instructions on how to disable System Restore feature are here: Windows ME: http://www.europe.f-secure.com/v-descs/sfc_dis.shtml Windows XP: http://www.europe.f-secure.com/v-descs/sfc_dis1.shtml If you have any problems using this utility please contact us on 'anti-virus-support@f-secure.com' address. Copyright (C) 2004 F-Secure Corporation. All rights reserved.