Lets take them one by one :
ehmsas.exe : The process Media Center Media Status Aggregator Service or Media Center Status Module belongs to the software Microsoft® Windows® Operating System or Media Center Status Module
Alg.exe : Application Layer Gateway Service
alg.exe is a process belonging to Microsoft Windows Operating System. It is a core process for Microsoft Windows Internet Connection sharing and Internet connection firewall.
About "Tok Cirrhatus" ur computer might be infected with WORM_RONTOKBR.AC worm Check the following link for removal instructions :
http://www.trendmicro.com/vinfo/viru...BR.AC&VSect=Sn
Most importantly get a good Anti-Virus, update it and scan your computer for Virus Infections.
Second get some good Anti-Spyware " Lavasoft adaware SE Professional " should be a good choice and scan your computer for Malware.
Third get hijackthis run the scan and post the report here ....