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Win32.HLLW.Autoruner2.31090
Added to the Dr.Web virus database:
2017-12-29
Virus description added:
2017-12-28
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ddcb92448197dffa962f656f97e11a6f' = '"<Full path to file>" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ddcb92448197dffa962f656f97e11a6f' = '"<Full path to file>" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\ddcb92448197dffa962f656f97e11a6f.exe
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\ddcb92448197dffa962f656f97e11a6f.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to file>' = '<Full path to file>:*:Enabled:<File name>.exe'
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to file>" "<File name>.exe" ENABLE
Modifies file system:
Sets the 'hidden' attribute to the following files:
<Full path to file>
%HOMEPATH%\Start Menu\Programs\Startup\ddcb92448197dffa962f656f97e11a6f.exe
<Drive name for removable media>:\ddcb92448197dffa962f656f97e11a6f.exe
<Drive name for removable media>:\autorun.inf
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