Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\MPSVCService] '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%\MPSVCs.exe
Terminates or attempts to terminate
the following user processes:
- 360tray.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\dllcache\beep.sys.new
- %TEMP%\70716382.tmp
Sets the 'hidden' attribute to the following files:
- %PROGRAM_FILES%\MPSVCs.exe
Deletes itself.
Network activity:
Connects to:
- '17###.rhelper.com':8585
UDP:
- DNS ASK 17###.rhelper.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Afx:400000:0' WindowName: ''
- ClassName: '' WindowName: '???????? ????'
