JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLW.Autoruner2.40851
Added to the Dr.Web virus database:
2018-06-28
Virus description added:
2018-06-27
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe Win-boot.EXE'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Sys32-w32' = '<SYSTEM32>\Booter.EXE'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Sys-Boot' = '%WINDIR%\Win-boot.EXE'
Creates or modifies the following files:
Creates the following files on removable media:
<Drive name for removable media>:\Documents %USERNAME%.exe
<Drive name for removable media>:\Ntldr.EXE
<Drive name for removable media>:\Autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
file extensions
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)
blocks the following features:
modifies the following system settings:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFind' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000001'
Creates and executes the following:
'' (downloaded from the Internet)
Executes the following:
'<SYSTEM32>\at.exe' /delete /yes
'<SYSTEM32>\at.exe' 12:00 /interactive /EVERY:m,t,w,th,f,s,su <SYSTEM32>\Booter.EXE
Terminates or attempts to terminate
the following system processes:
Forces autoplay for removable media.
Modifies file system:
Creates the following files:
%TEMP%\aut1.tmp
%TEMP%\nsyajdp
%ALLUSERSPROFILE%\Application Data\Exe_Debuger.ini
C:\Ntldr.EXE
%WINDIR%\Win-boot.EXE
<SYSTEM32>\Booter.EXE
C:\Autorun.inf
%ALLUSERSPROFILE%\Application Data\Win-Fixed.exe
Sets the 'hidden' attribute to the following files:
C:\Ntldr.EXE
%WINDIR%\Win-boot.EXE
<SYSTEM32>\Booter.EXE
C:\Autorun.inf
%ALLUSERSPROFILE%\Application Data\Win-Fixed.exe
<Drive name for removable media>:\Autorun.inf
Deletes the following files:
%TEMP%\aut1.tmp
%TEMP%\nsyajdp
<Drive name for removable media>:\Autorun.inf
Substitutes the following files:
<Drive name for removable media>:\Autorun.inf
Network activity:
Connects to:
TCP:
HTTP GET requests:
http://h1.##pway.com/up/apps/Exe_Debuger.ini
http://h1.##pway.com/up/apps/regedit.jpg
UDP:
Miscellaneous:
Creates and executes the following:
'%ALLUSERSPROFILE%\Application Data\Win-Fixed.exe'
Executes the following:
'<SYSTEM32>\cmd.exe' /C AT /delete /yes
'<SYSTEM32>\cmd.exe' /C AT 12:00 /interactive /EVERY:m,t,w,th,f,s,su <SYSTEM32>\Booter.EXE
Download Dr.Web for Android
Free three-month trial
All protection features available
Renew your trial license in AppGallery/on Google Pay
By continuing to use this website, you are consenting to Doctor Web’s use of cookies and other technologies related to the collection of visitor statistics. Learn more
OK