quaratine.dat is a dangerous file, which appearance on your computer means that it is infected with PersonalAntiSpy, PCAntimalware, AntiMalwareSuite or other serious virus. The most of these viruses seek to create an image that they can easily fix computer. However, after they report about “dangerous” files, they claim that they can remove them only in exchange for several hundreds of dollar. Please, do NOT pay for a licensed/full/recommended version of any of these programs because they report only about invented viruses and seek only to swindle people's money!
Once quaratine.dat is installed on the system, it begins helping for PersonalAntiSpy, PCAntimalware, AntiMalwareSuite, etc. This file can be used for launching these viruses, blocking security software, showing commercial advertisements, imititatingsystem scan and performing other annoying/dangerous activities. If you noticed quaratine.dat in your system, you should never leave it there.
You should waste no time and thoroughly examine quaratine.dat with a help of RegCure Pro. For completing the removal of malicious files, you should also scan it with Reimage.