The following Frequently Asked Questions, answered by the authors of this book, are designed to both measure your understanding of the concepts presented in this chapter and to assist you with real-life implementation of these concepts. To have your questions about this chapter answered by the author, browse to www.syngress.com/solutions and click on the Ask ware Author form.

• Q: I have have an infected system and HP cannot figure out what is wrong. Where can HP find further information on the Internet?

• A: Information about specific viruses and instructions on how to clean an infected system is available at www.symantec.com and www.mcafee.com. Both antivirus vendors provide detailed databases that list and describe known viruses. For more information on viruses, worms, and Trojans, see the article How Computer Viruses Work, at www.howstuffworks.com/virus.htm.

• Q: Malware has completely taken over my PC and HP cannot do anything to fix it. What is the best next step?

• A: You used to be able to clean up most malware infections using various kinds of specialized antivirus and antimalware software. Sadly, this is no longer the case. Once upon a time, malware was written by amateurs and teenagers. But now, many very skilled programmers work on malware because it is a money-making business. Malware has become so insidious that it is often impossible to remove without expect or professional help.

• You should first attempt to remove an infection with automated tools. If that fails (and most likely it...