Para el funcionamiento correcto del sitio web, debe activar el soporte de JavaScript en su navegador.
Win32.HLLW.Autoruner1.11672
Added to the Dr.Web virus database:
2012-02-07
Virus description added:
2012-02-28
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Server' = '<SYSTEM32>\Server.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Server' = '<SYSTEM32>\Server.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'wuaclt.exe' = '%WINDIR%\14785\SYSTEMSHELL.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<LS_APPDATA>\server.exe' = '<LS_APPDATA>\server.exe:*:Enabled:svchost'
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Creates and executes the following:
Executes the following:
<SYSTEM32>\attrib.exe +S +H +R "F:\autorun.inf"
<SYSTEM32>\attrib.exe +S +H +R "G:\autorun.inf"
<SYSTEM32>\attrib.exe +S +H +R "J:\1044404.EXE"
<SYSTEM32>\attrib.exe +S +H +R "E:\autorun.inf"
<SYSTEM32>\attrib.exe +S +H +R "J:\autorun.inf"
<SYSTEM32>\ping.exe 127.0.0.1 -n 60
<SYSTEM32>\attrib.exe +S +H +R "H:\autorun.inf"
<SYSTEM32>\attrib.exe +S +H +R "I:\autorun.inf"
<SYSTEM32>\attrib.exe +S +H +R "I:\1044404.EXE"
<SYSTEM32>\netsh.exe firewall add allowedprogram <LS_APPDATA>\server.exe svchost ENABLE ALL
<SYSTEM32>\reg.exe ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN /v CheckedValue /t REG_DWORD /d "2" /f
<SYSTEM32>\reg.exe ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v wuaclt.exe /t REG_SZ /d "%WINDIR%\14785\SYSTEMSHELL.exe" /f
<SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d "1" /f
<SYSTEM32>\attrib.exe +S +H +R "G:\1044404.EXE"
<SYSTEM32>\attrib.exe +S +H +R "H:\1044404.EXE"
<SYSTEM32>\attrib.exe +S +H +R "E:\1044404.EXE"
<SYSTEM32>\attrib.exe +S +H +R "F:\1044404.EXE"
Modifies file system :
Creates the following files:
<SYSTEM32>\Server.exe
%WINDIR%\CRNJEUFU.txt
%WINDIR%\14785\WINUPDATE.DLL
<LS_APPDATA>\server.exe
<LS_APPDATA>\RND_UnHide.bat
%TEMP%\a51962.bat
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
%TEMP%\a51962.bat
Network activity:
Connects to:
UDP:
DNS ASK www.0c##ch.com
'<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
Descargue Dr.Web para Android
Gratis por 3 meses
Todos los componentes de protección
Renovación de la demo a través de AppGallery/Google Pay
Si Vd. continúa usando este sitio web, esto significa que Vd. acepta el uso de archivos Cookie y otras tecnologías para que recabemos las estadísticas sobre los visitantes. Más información
OK