MarioForever Detection Issue With FCS

On or about December 9th, Microsoft Malware Protection Center included new information in the FCS definitions to ‘clean’ the file ‘user32.dll’ in the system32 and system32\dllcache folders which may have been modified at some earlier time by the Marioforever malware.  Most of these infections occurred in May/June 2008.  In those cases, signature updates were provided to…


What Does CSS Need to Help Troubleshoot an FCS Issue?

Are you suspecting an Infection in your network?   If you suspect an Infection in your network and if you could find the infected file please upload the sample to the link https://www.microsoft.com/security/portal/submit.aspx Only one file can be submitted at one time and the size of that file is limited to 10 megabytes. Compress the…