bagkeys.doc definition, relationships, removal:

The bagkeys.doc file is an essential part of a particular parasite and therefore is responsible for the pest's malicious activity. Exact purposes of bagkeys.doc depend on the related parasite's type and carried payload. Some threats can use bagkeys.doc to serve annoying pop-up advertisements or store certain configuration settings, while others need it to corrupt files, steal user confidential information or run a spreading routine. In any case, DO NOT open this file!
The bagkeys.doc file is installed and used by keylogger BagKeys.
In some cases a presence of bagkeys.doc does not mean that your system is infected. The file may actually belong to some fully legitimate applications and therefore must stay intact. If you are in doubt, please scan the bagkeys.doc file using you regular spyware remover or antivirus program.