See the scans for this particular backdoor trojan: http://vscan.urlvoid.com/analysis/0304517bdbe0a281c9b06c6987d1558f/bnZpZGlhZHJpdmVyLWV4ZQ==/
Searched for: SHA1 Hash 7e93a1d2ef5bc91ac489d99dcd2f09cf88fa6afa
See: https://new.virustotal.com/file/ee4922d1d2bfa7e8aa2bf2916764378c715118711c22aedbc8c8c98e68fca5ed/analysis/
Bitdefender’s TrafficLight flags this as “detected with elements that may harm your computer”,
found here: Up(nil): TR/Dldr.Banload.aci.339 RIPE DE abuse at 1blu.de 88.84.137.164 to 88.84.137.164 -ftf-programming.de -http://ftf-programming.de/anke/nvidiadriver.exe
The supposed bifrost relationship of above mentioned malware has been described in this link:
http://comprolive.com/remove/trojan/bifrost/nvidia-driver-exe
link was provided by Sanjay C Rajure and link source was Threatexpert dot com
also re: http://www.threatexpert.com/report.aspx?md5=55331e96cc2622078e331c0009ef1b53
polonus