![]() Then link the GPO to the domain root, or wherever is appropriate. ![]() I then set the computer configuration>windows settings>scripts>startup to run this command in a GPO that gets applied to all computers. I put this batch file and the extra.dat in the netlogon folder. "c:program files\common files\mcafeeengine\extra.dat" /R /Y I created a batch file to run the following command:Įcho f | xcopy.exe netlogonextra.dat In this case, the computer will be in a reboot loop. Our reader Jim wrote in about how he managed to get some systems back remotely, as long as svchost.exe was not deleted or moved. We should have a link to instructions shortly. However, it may be possible to do this remotely if your workstations support Intel's "vPro" technology. This fix has to be applied locally at the workstation. If you lost "svchost.exe", then you need to copy it back to c:/Windows/system32/svchost.exe while in safe mode. Several readers reported that this procedure worked to recover:Ģ - copy extra.dat in c:/program files/common files/mcafee/engine McAfee's support web sites currently respond slowly and are down at times, likely due to the increased load caused by this issue. An EXTRA.DAT file is a patch to just fix the bad signature. McAfee released an updated DAT file, and an "EXTRA.DAT" file to fix the problem. Undetermined clean error, OAS denied access and continued.ĭetected using Scan engine version 5400.1158 DAT version 5958.0000. The file C:WINDOWS\system32\svchost.exe contains the W32/Wecorl.a Virus. If you are affected, you will see a message like: The problem is a false positive which identifies a regular Windows binary, "svchost.exe", as "W32/Wecorl.a", a virus. It can not be used to undo this bad signature because affected system will lose network connectivity. The ePolicyOrchestrator is used to update "DAT" files throughout enterprises. ![]() The use of "ePolicyOrchestrator", which is used to update virus definitions across a network, appears to have lead to a faster spread of the bad DAT file. The bad DAT file may infect individual workstations as well as workstations connected to a domain. However, only particular configurations of these versions appear affected. We have individual reports of other versions of Windows being affected as well. The affected systems will enter a reboot loop and loose all network access. When the McAfee DAT File installer has finished updating your DAT files, you may delete the file you downloaded unless you want to keep a copy available for further updates.Ĭonsider using Malwarebytes for complete antivirus protection and to protect your devices, data, and privacy.McAfee's "DAT" file version 5958 is causing widespread problems with Windows XP SP3. Restarts the software components needed to continue scans with your new DAT files.ĥ. Copies new DAT files to the appropriate program directories. Unloads McAfee's memory-resident software or stops services that use your current DAT files. Follow the instructions in the wizard panels. Double-click the XDAT file to start the update.Ĥ. For the location, see the 'Contacting McAfee' section in this readme.ģ. Download the XDAT file to the temporary directory from our website. Create a temporary directory on your hard disk.Ģ. USING THE DAT PACKAGE INSTALLER (XDAT FILE)ġ. To ensure that your anti-virus software can protect your system or network against the latest threats, you must download and install the most recent McAfee DAT Files. New DAT files are released by McAfee every day. Thousands of new threats appear each day. Virus definition or DAT files contain up-to-date virus signatures and other information that our anti-virus products use to protect your computer against millions of computer viruses and other potentially harmful software in circulation. McAfee DAT File contains up-to-date virus signatures and other information for McAfee products. ![]()
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