MSmedia.exe is a Trojan W32.Tilebot-BC. MSmedia.exe opens a back door on IRC channels. MSmedia.exe spreads via open network shares. MSmedia.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %Windows%\MSmedia.exe %System%\rdriv.sys More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill MSmedia.exe process and remove MSmedia.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.