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Win32.HLLW.Autoruner2.42284
Added to the Dr.Web virus database:
2018-07-22
Virus description added:
2018-07-22
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '62d046f2144d2e9fbf335bcb1e55cf1a' = '"%ALLUSERSPROFILE%\svchost.exe" ..'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '62d046f2144d2e9fbf335bcb1e55cf1a' = '"%ALLUSERSPROFILE%\svchost.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\62d046f2144d2e9fbf335bcb1e55cf1a.exe
Creates the following files on removable media:
<Drive name for removable media>:\62d046f2144d2e9fbf335bcb1e55cf1a.exe
<Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\svchost.exe' = '%ALLUSERSPROFILE%\svchost.exe:*:Enab...
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 "%ALLUSERSPROFILE%\svchost.exe" "svchost.exe" ENABLE
Modifies file system:
Creates the following files:
%ALLUSERSPROFILE%\svchost.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\62d046f2144d2e9fbf335bcb1e55cf1a.exe
<Drive name for removable media>:\autorun.inf
%ALLUSERSPROFILE%\svchost.exe
%HOMEPATH%\Start Menu\Programs\Startup\62d046f2144d2e9fbf335bcb1e55cf1a.exe
Miscellaneous:
Creates and executes the following:
'%ALLUSERSPROFILE%\svchost.exe'
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