MS Backup Agent startup information for Windows XP, Windows Vista and other versions of Microsoft Windows
Added by the Troj/IRCBot-HG worm and IRC backdoor. This infection also utilizes the rootkit file mkey.sys to hide itself.
This page helps identify spyware, viruses, and other programs that you don't understand what they are, or want to know if msbac.exe is a safe file or if you can safely remove or delete msbac.exe. Use at your own risk and if unsure either do a virus/anti adware scan and seek advice from a professional adware remover