sdcfg.dat is a dangerous file, which is used by a virus known as SpyDevastator. This virus is reported to have ability to infiltrate computers undetected and then initiate various system changes. As soon as these changes are done, it may try to start such malicious activities as personal data theft, money theft, etc. As you can see, this virus can easily pose harm to your computer system and your privacy. If you think that you can be infected, run a full system scan with Reimage.
sdcfg.dat is used depending on hackers' needs. It may simply degrade system's performance, display commercial advertisements and perform other annoying actions or initiate system's damage, infect files, download malicious components and violate victim's privacy. Please, do NOT leave this file running on your computer! In order to thoroughly examine sdcfg.dat before completely deleting it from the system, we recommend using RegCure Pro.