MSVCR90.DLL is the runtime components of Visual C++ Libraries required to run applications developed with Visual C++ and is recompiled by LionSea Software co., ltd. While the file properties state the file is developed by 'Microsoft Corporation', this is not the case and it is designed just to look like a legitimate Microsoft system file. The module MSVCR90.DLL, “Microsoft® C Runtime Library” by LionSea Software co., ltd has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. Although a detection has been made for this resource, it is generally a commonly distributed 3rd-party library and is typically safe by itself.