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Win32.HLLW.Autoruner1.13064
Added to the Dr.Web virus database:
2012-03-02
Virus description added:
2020-03-25
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'Host Process for Windows Services' = '%APPDATA%\svchost.exe'
[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'Host Process for Windows Services' = '%APPDATA%\svchost.exe'
[<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Host Process for Windows Services' = '%APPDATA%\svchost.exe'
[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CCD5CBCA-FEFD-BAA1-DE2A-5C40BAC4CD8A}] 'StubPath' = '%APPDATA%\svchost.exe'
[<HKCU>\SOFTWARE\Microsoft\Active Setup\Installed Components\{CCD5CBCA-FEFD-BAA1-DE2A-5C40BAC4CD8A}] 'StubPath' = '%APPDATA%\svchost.exe'
Creates the following files on removable media
<Drive name for removable media>:\<File name>.exe
<Drive name for removable media>:\autorun.ini
Malicious functions
To bypass firewall, removes or modifies the following registry keys
[<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to file>' = '<Full path to file>:*:Enabled:Windows Mess...
[<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\svchost.exe' = '%APPDATA%\svchost.exe:*:Enabled:Windows ...
Injects code into
the following user processes:
Modifies file system
Creates the following files
%TEMP%\vbc.exe
%APPDATA%\svchost.exe
%APPDATA%\lolil
Sets the 'hidden' attribute to the following files
%APPDATA%\svchost.exe
<Drive name for removable media>:\<File name>.exe
<Drive name for removable media>:\autorun.ini
Moves itself
from <Full path to file> to %TEMP%\btdwb
Network activity
UDP
DNS ASK wa#####010.no-ip.org
Miscellaneous
Creates and executes the following
'%TEMP%\vbc.exe'
'%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<Full path to file>" /t REG_SZ /d "<Full path to file>:*...' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\svchost.exe" /t REG_SZ /d "%APPDATA%\svchost.e...' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
'%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<Full path to file>" /t REG_SZ /d "<Full path to file>:*...
'%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\svchost.exe" /t REG_SZ /d "%APPDATA%\svchost.e...
'%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
'%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<Full path to file>" /t REG_SZ /d "<Full path to file>:*:Enable...
'%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\svchost.exe" /t REG_SZ /d "%APPDATA%\svchost.exe:*:En...
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