The following only applies to VSCL 6.0.4 and earlier because from VSCL 6.0.5, the DECOMPRESS switch is automatically applied. So the first time after each DAT update it will automatically replace the local copy of the compressed DAT with the decompressed equivalent for future use. It is therefore no longer necessary to use the DECOMPRESS switch from VSCL 6.0.5 and later. For VSCL 6.0.4 and earlier, after every DAT update McAfee recommends you use the DECOMPRESS switch once to pre-prepare the DAT files. This will improve subsequent scan initialization times.
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DLL 32-bit Anti-Malware Engine. VirusScan Command Line. CONFIG.DAT Engine file. LICENSE.DAT License file. VCL606WPG.PDF Product Guide.
This advice is based off the issue documented in where the VSCL scanner (Windows or Unix) does not start immediately. For UNIX execute: uvscan -decompress For Windows execute: scan /decompress.
Hi Santhosh, Welcome to the forums. Starting on page 91 of the VSE v8.8 Product Guide, Command Line Interface arguments for Scan32.exe are documented. (see ) Also consider the independent scanner: VirusScan(R) Command Line for Windows, Version 6.0.4, downloadable with a valid grant number. It has a greater number of parameters, runs independently from McShield.exe, and does not use GTI which means it can run entirely off-line.
VirusScan(R) Command Line for Windows can run from a boot disk on systems that do not have VSE already installed. VirusScan(R) Command Line for Windows (Scan.exe) uses the same.Dat files as VSE. However, downloading and updating the.dat files manually will lead to performance issues. One can use the somewhat undocumented command line argument 'Scan' /DECOMPRESS in the manually expanded.dat file location.
This will reconstruct the.dat files into a 'runtime.dat' file which improves performance greatly, for independent file scans. Hopefully this is helpful. Good luck, Ron Metzger.
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