MS08-052 is not categorized as virus, worm, Trojan or backdoor. It is a group of critical vulnerabilities in the Microsoft Windows graphics device interface (GDI), which allows arbitrary code to be remotely executed in the vulnerable computer.
Windows graphics device interface (GDI) enables applications to use graphics and formatted text on both the video display and the printer.
If exploited successfully, MS08-052 allows hackers to gain remote control of the affected computer with the same privileges as the logged on user. If this user had administrator rights, the hacker could take complete control of the system: create, modify or delete files, install programs, create new user accounts, etc.
This vulnerability is usually exploited by creating a specially crafted file and enticing users to execute it. This file can be distributed via email, hosted in a website, etc.
If you have any of the vulnerable components, it is recommended to download and apply the security patch for this vulnerability. Click here to access the web page for downloading the patch.