Not-A-Virus.Monitor.Win32.KeyKey.121 could refer to such files as kkey.zip, keykey.exe which are related to keylogging programs that monitor your activity. See http://www.symantec.com/security_response/...-99&tabid=2
Keylogging programs can be legitimate but their related files are often detected by anti-virus or anti-malware scans as a "RiskTool
", "Hacking tool
, "Potentially unwanted tool
" or even a "Trojan
". These types of programs have legitimate uses in contexts where an authorized user or administrator has knowingly installed it. Potentially unwanted
does not necessarily mean the file is malware or a bad program. It means it has the potential
for being misused by others. Anti-virus and anti-malware utilities cannot cannot distinguish between "good" and "malicious" use of such programs, therefore they may alert the user.
If you did not install this program, is it possible that your parents or another member of your family installed it?
If no one claims responsibility for installing the software, you should consider the computer compromised
. If it was used for online banking or has credit card information on it, all passwords should be changed immediately
to include those used for email, eBay and forums. They should be changed by using a different computer and not the one where the keylogger was installed. Because your computer was compromised please read How Do I Handle Possible Identify Theft, Internet Fraud and CC Fraud?
Many experts in the security community believe that once infected with this type of malware, the best course of action is to reformat and reinstall the OS. Please read "When should I re-format? How should I reinstall?
If you do a search of your HOSTS file list from www.mvps.org, you will find those entries stopped by SpySweeper to be included but they are not in alphabetical order.