MS10-053 is not categorized as virus, worm, Trojan or backdoor. It is a group of critical vulnerabilities in Internet Explorer on Windows 7/2008/Vista/2003/XP computers, which allows arbitrary code to be remotely executed and information to be disclosed. Affected versions of Internet Explorer are 6, 7 and 8.
If exploited successfully, MS10-053 allows hackers to gain remote control of the affected computer with the same privileges as the logged on user and to disclose information.
MS10-053 is usually exploited by creating a specially crafted web page and enticing users to view it. It could also be exploited by embedding an ActiveX control marked "safe for initialization" in an application or Office document that hosts the IE rendering engine. An attacking user coud also take advantage of compromised websites that accept or host user-provided content or advertisements.
If you have any of the vulnerable versions of Internet Explorer, it is recommended to download and apply the security patch for this vulnerability. Click here to access the web page for downloading the patch.
However, provided that this is a cumulative patch, make sure that you download the latest security patch available.