*************************************************************************** FIX_NIMDA (version 1.00) Trend Micro, Inc. http://www.antivirus.com *************************************************************************** I. File List o FIX_NIMDA.EXE - fix tool for PE_NIMDA.A o SLIDE.EXE - accompanying file to clean HTM/HTML/ASP files (You need NOT run this file, FIX_NIMDA.EXE will run this file automatically). o SLIDE.DAT - data file used by SLIDE.EXE II. How to Use 1. Place the 3 files (listed above) in the same directory. 2. Open a Command Prompt (MS-DOS Prompt) and proceed to the directory where the tool resides. 3. Run FIX_NIMDA.A. III. Description This tool is designed to clean a system that was infected by PE_NIMDA.A. This tool will clean the system without having to boot using the boot disk or emergency rescue disk. When FIX_NIMDA.EXE is executed, it will perform the following steps: o Terminate PE_NIMDA.A in memory. o Remove traces of PE_NIMDA.A in SYSTEM.INI file. o Scan all files on all fixed drives for infected executable and EML files. o Clean all infected files and delete all non-cleanable files. o Scan/clean all HTM/HTML/ASP files for PE_NIMDA.A by executing SLIDE.EXE. IV. Requirements This tool is designed to run under Windows NT/2K and Windows 9X/ME. For this tool to execute properly under Windows NT/2000 it needs the following DLL files: o PSAPI.DLL Be sure that these two files are present in the "Winnt\system32" directory. V. Notes 1. There are instances where the original mother file gets infected with PE_NIMDA.A thereby detection would be PE_NIMDA.A. The file gets cleaned and another scan of the file reveals that it is the non-cleanable original mother file which FIX_NIMDA.EXE will delete.