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Win32.HLLW.Autoruner2.41083
Added to the Dr.Web virus database:
2018-07-06
Virus description added:
2018-07-06
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Realtek High Definition Audio Driver' = '%APPDATA%\HDAudioDriver.exe'
Creates the following files on removable media:
<Drive name for removable media>:\setup.exe
<Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
'' (downloaded from the Internet)
Modifies settings of Windows Internet Explorer:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Associations] 'LowRiskFileTypes' = '.exe'
Modifies file system:
Creates the following files:
%APPDATA%\HDAudioDriver.exe
C:\setup.exe
C:\autorun.inf
%TEMP%\YyLJp0Sq.exe
%TEMP%\OWfUb7CW.exe
Sets the 'hidden' attribute to the following files:
%APPDATA%\HDAudioDriver.exe
C:\autorun.inf
C:\setup.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\setup.exe
Deletes the following files:
C:\autorun.inf
C:\setup.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\setup.exe
%TEMP%\YyLJp0Sq.exe
%TEMP%\OWfUb7CW.exe
Substitutes the following files:
C:\setup.exe
C:\autorun.inf
<Drive name for removable media>:\setup.exe
<Drive name for removable media>:\autorun.inf
%TEMP%\YyLJp0Sq.exe
Network activity:
Connects to:
'wp#d':80
'5.#.217.69':80
TCP:
HTTP GET requests:
http://11#.#11.111.1/wpad.dat via wp#d
http://5.#.217.69/wp-content/plugins/woocommerce/appinstall.exe
http://5.#.217.69/wp-content/plugins/woocommerce/appinstall2.exe
UDP:
Miscellaneous:
Creates and executes the following:
'%APPDATA%\HDAudioDriver.exe'
'%TEMP%\OWfUb7CW.exe'
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