JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLW.Autoruner.52822
Added to the Dr.Web virus database:
2011-06-29
Virus description added:
2020-06-16
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MicrosoftВ® WindowsВ® Operating System' = '%APPDATA%\Microsoft\Protect\Credentials\taskhostt.exe'
[<HKLM>\Software\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe "%APPDATA%\lsass.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\lsass.exe"'
[<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\lsass.exe"'
Creates the following files on removable media
<Drive name for removable media>:\system.exe
<Drive name for removable media>:\autorun.inf
Malicious functions
Executes the following
'%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%APPDATA%\lsass.exe" CityScape Enable
Injects code into
the following user processes:
Modifies file system
Creates the following files
%APPDATA%\microsoft\protect\credentials\wmpnetvk.gzp
%APPDATA%\microsoft\protect\credentials\taskhostt.gzp
%APPDATA%\lsass.exe
Sets the 'hidden' attribute to the following files
%APPDATA%\microsoft\protect\credentials\wmpnetvk.exe
%APPDATA%\microsoft\protect\credentials\taskhostt.exe
%APPDATA%\lsass.exe
<Drive name for removable media>:\system.exe
<Drive name for removable media>:\autorun.inf
Moves the following files
from %APPDATA%\microsoft\protect\credentials\taskhostt.gzp to %APPDATA%\microsoft\protect\credentials\taskhostt.exe
from %APPDATA%\microsoft\protect\credentials\wmpnetvk.gzp to %APPDATA%\microsoft\protect\credentials\wmpnetvk.exe
Network activity
UDP
DNS ASK pt####0.dyndns.info
Miscellaneous
Searches for the following windows
ClassName: '' WindowName: 'HB'
Creates and executes the following
'%APPDATA%\microsoft\protect\credentials\taskhostt.exe'
'%APPDATA%\microsoft\protect\credentials\wmpnetvk.exe'
'%APPDATA%\lsass.exe' /d <Full path to file>
'%APPDATA%\lsass.exe' /d %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe
'%APPDATA%\lsass.exe'
'%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%APPDATA%\lsass.exe" CityScape Enable' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.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