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Win32.HLLW.Autoruner2.39968
Added to the Dr.Web virus database:
2018-05-27
Virus description added:
2018-05-27
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = '%WINDIR%\Microsoft\svchost.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '%WINDIR%\Microsoft\svchost.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Avirnt' = '%WINDIR%\Microsoft\svchost.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Avirnt' = '%WINDIR%\Microsoft\svchost.exe'
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{3VB30NA0-ISEI-C6I3-KQ4C-17BCK80I27P5}] 'StubPath' = '%WINDIR%\Microsoft\svchost.exe Restart'
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{3VB30NA0-ISEI-C6I3-KQ4C-17BCK80I27P5}] 'StubPath' = '%WINDIR%\Microsoft\svchost.exe'
Malicious functions:
Injects code into
the following system processes:
the following user processes:
Modifies file system:
Creates the following files:
%TEMP%\LoMkjwQ.exe
%TEMP%\aOOOOO.xml
%TEMP%\core.exe
%TEMP%\aeeeee.xml
%WINDIR%\Microsoft\svchost.exe
%TEMP%\XX--XX--XX.txt
%APPDATA%\logs.dat
%TEMP%\XxX.xXx
%TEMP%\UuU.uUu
%TEMP%\aMMMMM.xml
%TEMP%\alllll.xml
Sets the 'hidden' attribute to the following files:
%WINDIR%\Microsoft\svchost.exe
%APPDATA%\logs.dat
Deletes the following files:
%TEMP%\aOOOOO.xml
%TEMP%\XX--XX--XX.txt
%TEMP%\UuU.uUu
%TEMP%\XxX.xXx
%TEMP%\aeeeee.xml
%TEMP%\aMMMMM.xml
%TEMP%\alllll.xml
Substitutes the following files:
%TEMP%\UuU.uUu
%TEMP%\XxX.xXx
%TEMP%\aeeeee.xml
%TEMP%\alllll.xml
Network activity:
Connects to:
'ni####.duckdns.org':2018
UDP:
DNS ASK ni####.duckdns.org
Miscellaneous:
Creates and executes the following:
'<Full path to file>'
'%TEMP%\core.exe' -woohoo 2936 %TEMP%\LoMkjwQ.exe
'%WINDIR%\Microsoft\svchost.exe'
'%TEMP%\core.exe' -woohoo 3676 %TEMP%\LoMkjwQ.exe
'%TEMP%\core.exe' -woohoo 3904 %TEMP%\LoMkjwQ.exe
Executes the following:
'<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\aOOOOO.xml"
'<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\aeeeee.xml"
'<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\aMMMMM.xml"
'<SYSTEM32>\schtasks.exe' /Create /TN "Update\HwgugQ" /XML "%TEMP%\alllll.xml"
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