Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'sysintern' = '%WINDIR%\projv.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysintern' = '%WINDIR%\projv.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sysintern' = '%WINDIR%\projv.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\autorunme.exe
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\Desktop.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
Creates and executes the following:
- '%WINDIR%\projv.exe'
- '%WINDIR%\projv.exe' fr
Executes the following:
- '<SYSTEM32>\winlogon.exe'
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\winlogon.exe
Modifies file system :
Creates the following files:
- %WINDIR%\projv.cfg
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1]
- %WINDIR%\projv.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476501-1644491937-600003330-1213\autorunme.exe
- %WINDIR%\projv.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1]
Deletes itself.
Network activity:
Connects to:
- 're###b.idoo.com':80
- 'ch####p.dyndns.org':80
TCP:
HTTP GET requests:
- re###b.idoo.com/projv/update.php?ip###################################################################
- ch####p.dyndns.org/
UDP:
- DNS ASK re###b.idoo.com
- DNS ASK ch####p.dyndns.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'