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Win32.HLLW.Autoruner1.52632
Added to the Dr.Web virus database:
2013-08-01
Virus description added:
2013-08-01
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)'
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