I recommend you UnHackMe - Ultimate Malware Killer for fast malware removal:
Free Download Fully Functional 30-day Trial. No credit card is required.
Reviews. EULA. Privacy Policy. Uninstall.
The file MARCO—BIFROST.EXE is malware related.
You must delete the file MARCO—BIFROST.EXE immediately!
Delete the file MARCO—BIFROST.EXE without delay!
Kill the process MARCO—BIFROST.EXE and remove MARCO—BIFROST.EXE from Windows startup.
MARCO—BIFROST.EXE Information and Removal:
MARCO—BIFROST.EXE is known as: Mal/Bifrose-S , Mal/Bifrose-S [Sophos] Constructor:Win32/Bifrose.A [Microsoft] Constructor.Win32.Bifrose [Ikarus].
MD5 of MARCO—BIFROST.EXE = F5CE80564B5652859D869DB3D8AA6C01
MARCO—BIFROST.EXE size is 2065408 bytes.
Full path on a computer: %TEMP%\MARCO—BIFROST.EXE
Related Files:
%APPDATA%\ADDONS.DAT
%SYSTEM%\EXPLORER\EXPLORER.EXE
%TEMP%\MARCO—BIFROST.EXE