Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{5BFED096-E7E4-A6C5-5AEB-397B93A6C899}] 'stubpath' = ''
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\System.exe
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
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\401[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\301[1]
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\System.exe
- <SYSTEM32>\Bifrost\server.exe
Network activity:
Connects to:
- 'ze####x.no-ip.biz':81
- 'th####atebay.org':80
TCP:
HTTP GET requests:
- th####atebay.org/top/401
- th####atebay.org/top/301
UDP:
- DNS ASK ze####x.no-ip.biz
- DNS ASK th####atebay.org
- '<Private IP address>':1036
