Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Ravsvrs] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\Windows NT\wordict.exe
- %PROGRAM_FILES%\Outlook Express\Ravsvrs.exe
Executes the following:
- <SYSTEM32>\wbem\wmiadap.exe /R /T
Modifies file system :
Creates the following files:
- <SYSTEM32>\wbem\Performance\WmiApRpl_new.ini
- C:\Documents and Settings\LocalService\Local Settings\Temporary Internet Files\Content.IE5\CJCTQ25G\guowai[1].htm
- %PROGRAM_FILES%\Windows NT\wordict.exe
- %PROGRAM_FILES%\xerox\about.ini
- %PROGRAM_FILES%\Outlook Express\Ravsvrs.exe
Sets the 'hidden' attribute to the following files:
- %PROGRAM_FILES%\xerox\about.ini
Deletes the following files:
- %WINDIR%\Media\start.wav
Moves the following files:
- from <SYSTEM32>\wbem\Performance\WmiApRpl_new.ini to <SYSTEM32>\wbem\Performance\WmiApRpl.ini
- from <SYSTEM32>\wbem\Performance\WmiApRpl_new.h to <SYSTEM32>\wbem\Performance\WmiApRpl.h
Network activity:
Connects to:
- 'www.ju##soft.cn':80
TCP:
HTTP GET requests:
- www.ju##soft.cn/data/guowai.htm
UDP:
- DNS ASK www.ju##soft.cn
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WINHELP' WindowName: ''
