See: http://zulu.zscaler.com/submission/show/83ec9fde83c87e90ba0906aa70834df7-1342025189
See: https://www.virustotal.com/file/1fac662c48b8a8c1b39566ae00b3056eda3f16d53e39c34db91178485208ec08/analysis/1341937168/
reported to virus AT avast dot com
PS this em5.exe is an oldie from 2010 also known as part of Dybalom,
D