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
the following user processes:
- msnmsgr.exe
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
Deletes the following files:
- %TEMP%\~DF58AF.tmp
Network activity:
UDP:
- DNS ASK en##.no-ip.info
