a15svcs.exe is a Trojan.PPdoor-Q. a15svcs.exe opens a back door. a15svcs.exe tries to terminate antiviral programs installed on a user computer. Related files: %System%\dpnetmsg.exe %System%\iueninet.dll %System%\fsmgntfs.dll %System%\ntmapast.dll %System%\ir50psrv.exe %System%\kbd1uery.dll %System%\lfyockaa.dll %System%\a15svcs.exe %System%\dpnmdlib.exe %System%\c_28usic.dll %System%\atiysnpn.dll %System%\treemqoa.dll %System%\arptutdn.dll %System%\eulapart.dll %System%\smlo8thk.exe %System%\odbcfwci.ime %System%\hgakheg.dll %System%\jkwbhew.dll %System%\testtest.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill a15svcs.exe process and remove a15svcs.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.