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 executable update.exe, “Microsoft .NET Framework.exe” has been detected as malware by 34 anti-virus scanners. This is a setup program which is used to install the application. Accoriding to the detections, this has been classified as a kyelogger which is capable of recoring a user's keystrokes. The file has been seen being downloaded from download.idmsilent.net.