W32.Myzor.FK@yf is a part of another rogue AntiSpyware program that send alarm to user about a possible threat on his computer and advise to buy the full version of the AntiSpyware to be able to clean the infection. It will redirect homepage of compromised computer to Security Center or Internet Security titled websites.
Risk Level: Medium
Affected [...]

Overview: Adware.TargetAd is an Internet Explorer add-on that displays pop-up advertisements.

Overview: Adware.ContextualToolbar is a security risk that installs an Internet Explorer toolbar.
The toolbar displays search functionality which when used will redirect the user to a search site
that will display advertised results relating to the users search.

Overview: Adware.SearchNet is a Browser Helper Object that replaces the default search page in Internet Explorer.

Overview: Adware.Fresh is an adware program that gives weather information and displays advertisements on the compromised computer. It may be installed without user consent.

Overview: Adware.Caishow is a Chinese application that may display pop-up advertisements.

Overview: Adware.TrustInPopups is a program that displays advertisements.

Overview: Adware.Roogoo is adware that installs a Layered Service Provider that monitors network traffic. The risk reports Google search terms back to its controlling domain and may display pop-up advertisements.