Win32.HLLW.Autoruner.52273
Added to the Dr.Web virus database:
2011-06-23
Virus description added:
2011-06-23
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' = ''
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:
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\401[1]
- <SYSTEM32>\Bifrost\server.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\301[1]
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\System.exe
Network activity:
Connects to:
- 'kl####i.no-ip.org':81
- 'th####atebay.org':80
TCP:
HTTP GET requests:
- th####atebay.org/top/401
- th####atebay.org/top/301
UDP:
- DNS ASK kl####i.no-ip.org
- DNS ASK th####atebay.org
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