Bing.vc is a Search Engine invasion which will take over the home page in the browser. It can be deleted with the following steps.
1.Use command to delete the “IconOverlayEx.dll”;
a. Locate the dll in the folder “Users\youraccount\AppData\Local”;
b. Use command “attrib -r -s -h” to unprotect the dll, because access is normally denied.
c. Use command “del” to delete this dll;
d. Restart the windows;
2. Reset the settings in all Browsers, e.g. Chrome, IE, Firefox, etc.