1. A method for detecting pestware on a computer, comprising: detecting a primary pestware process in an executable memory of the computer, the primary pestware process including an associated check value by which the primary pestware process can be identified; locating, at a predetermined offset in the executable memory relative to the check value, a pointer to a string, the string comprising an address of a secondary pestware object stored on the computer; and following the pointer to the string to ascertain the address of the secondary pestware object.