Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{9D71D88C-C598-4935-C5D1-43AA4DB90836}] 'stubpath' = ''
Malicious functions:
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
- Idle
Modifies file system :
Creates the following files:
- <SYSTEM32>\Bifrost\server.exe
- %APPDATA%\addons.dat
Sets the 'hidden' attribute to the following files:
- %APPDATA%\addons.dat
- <SYSTEM32>\Bifrost\server.exe
Network activity:
Connects to:
- 'me####ck.zapto.org':81
UDP:
- DNS ASK me####ck.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'Network event'
