Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\RPCH] 'Start' = '00000002'
Infects the following executable system files:
- <DRIVERS>\beep.sys
Substitutes the following executable system files:
- <SYSTEM32>\dllcache\beep.sys with <SYSTEM32>\dllcache\beep.sys.new
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\NetMeeting\nmwb.exe
Executes the following:
- <SYSTEM32>\svchost.exe 40706
Modifies file system :
Creates the following files:
- %TEMP%\02557010.tmp
Sets the 'hidden' attribute to the following files:
- %PROGRAM_FILES%\NetMeeting\nmwb.exe
Moves the following files:
- from %TEMP%\02557010.tmp to %PROGRAM_FILES%\NetMeeting\nmwb.exe
Deletes itself.
Network activity:
Connects to:
- '40###.rhelper.com':7658
UDP:
- DNS ASK 40###.rhelper.com
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: '???????????????????? - IE??????'
- ClassName: 'Afx:400000:0' WindowName: ''
- ClassName: '#32770' WindowName: 'IE ????????'
- ClassName: '#32770' WindowName: 'IE????????'
