dfsdks64.exe is a application which is probably legit. So, if dfsdks64.exe is on your laptop or desktop computer, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, it is still recommended to use a good antivirus with a good detection rate, in order to yourself your PC against threats.
This application is usually found in C:\Program Files (x86)\Ashampoo\Ashampoo WinOptimizer 12\DfSdkS64.exe.
The MD5 fingerprint for this file is d51b32ba3897f630d99713b74b40d6a2.
This application is a Windows service. This means it operates on your PC in background, usually without showing any user interface to you. Most Windows services are ok programs, which provide useful features to other applications or to Windows in general.
64-bit code has been detected. This program can exploit the full power of a modern computer cpu.
The description extracted from the program is mst Defrag SDK Service.
File version extracted from the file 3,6,0,6165.
Company name mst software GmbH, Germany.
Intellectual property rights notice Copyright (C) 2005-2009, mst software GmbH..
Some dangerous features of Windows appear to be used, such as functions for intercepting the keyboard. We advise you to be very careful regarding this program.
A digital certificate is missing from this program. The maker did not sign it. This is probably bad.
It has an uninstall routine, which is good. si are uninstall.