JavaScript support is required for our site to be fully operational in your browser.
Trojan.DownLoader7.8801
Added to the Dr.Web virus database:
2012-10-18
Virus description added:
2012-10-18
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
%ALLUSERSPROFILE%\Start Menu\Programs\Startup\DualDesk.lnk
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe' = '%PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe:*:Enabled:DualDesk-Server'
Creates and executes the following:
%TEMP%\nsg6.tmp\nsC.tmp "netsh.exe" firewall add allowedprogram "%PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe" "DualDesk-Server" ENABLE ALL
%TEMP%\nsg6.tmp\nsB.tmp "%PROGRAM_FILES%\DD20.4.2201209242019\Uninst.exe"
%PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe
%TEMP%\nsg6.tmp\nsD.tmp "netsh.exe" firewall add allowedprogram "%PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe" "DualDesk-Server" ENABLE
%TEMP%\nsg6.tmp\nsA.tmp ""
%TEMP%\nsg6.tmp\ns7.tmp "sc.exe" delete DD_Service
%TEMP%\nsx3.tmp\DD_98.103.64.134_443.exe /33712953203-1714566496_Depot Systems Software/0
%TEMP%\nsg6.tmp\ns9.tmp "net.exe" stop DD_Service
%TEMP%\nsg6.tmp\ns8.tmp "sc.exe" delete DD_CAD
Executes the following:
<SYSTEM32>\net1.exe stop DD_Service
<SYSTEM32>\netsh.exe firewall add allowedprogram "%PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe" "DualDesk-Server" ENABLE ALL
<SYSTEM32>\netsh.exe firewall add allowedprogram "%PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe" "DualDesk-Server" ENABLE
<SYSTEM32>\sc.exe delete DD_Service
<SYSTEM32>\sc.exe delete DD_CAD
<SYSTEM32>\net.exe stop DD_Service
Modifies file system :
Creates the following files:
%TEMP%\nsx3.tmp\Configs\DD20.4.2.txt
%TEMP%\nsg6.tmp\cad.exe
%TEMP%\nsg6.tmp\nsC.tmp
%TEMP%\nsx3.tmp\ToolBox\DD20.4.2.txt
%TEMP%\nsg6.tmp\nsA.tmp
%TEMP%\nsg6.tmp\ns9.tmp
%TEMP%\nsg6.tmp\DualDesk.exe
%TEMP%\nsg6.tmp\nsB.tmp
%TEMP%\nsg6.tmp\nsD.tmp
%PROGRAM_FILES%\DD20.4.2201209242019\DD.txt
%PROGRAM_FILES%\DD20.4.2201209242019\ToolBox\DualDesk.lnk
%TEMP%\3-1714566496.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\3-1714566496[1].txt
%PROGRAM_FILES%\DD20.4.2201209242019\Uninst.exe
%PROGRAM_FILES%\DD20.4.2201209242019\StopDD.reg
%HOMEPATH%\Desktop\ToolBox 20.4.2.0.lnk
%HOMEPATH%\Desktop\Stop Remote Support.lnk
%TEMP%\nsg6.tmp\ns8.tmp
%TEMP%\nsx3.tmp\Icon1.ico
%TEMP%\nsx3.tmp\Logo.bmp
%TEMP%\nsx3.tmp\Blank.bmp
%TEMP%\nsx3.tmp\Icon2.ico
%TEMP%\nsx3.tmp\DD_98.103.64.134_443.exe
%TEMP%\nsm2.tmp
%TEMP%\nsx3.tmp\Splash.bmp
%TEMP%\nsx3.tmp\DD.txt
%TEMP%\nsx3.tmp\Ring.wav
%HOMEPATH%\My Documents\My Videos\Desktop.ini
%HOMEPATH%\Start Menu\Programs\Administrative Tools\desktop.ini
%TEMP%\nsg6.tmp\ns7.tmp
%TEMP%\nsg6.tmp\nsExec.dll
%TEMP%\nsg6.tmp\Splash.dll
%TEMP%\nsl5.tmp
%PROGRAM_FILES%\DD20.4.2201209242019\Advantig.txt
%TEMP%\nsisdt.dll
Sets the 'hidden' attribute to the following files:
%HOMEPATH%\My Documents\My Videos\Desktop.ini
Deletes the following files:
%TEMP%\nsg6.tmp\nsD.tmp
%TEMP%\nsg6.tmp\nsC.tmp
%TEMP%\nsg6.tmp\nsB.tmp
%TEMP%\nsg6.tmp\Splash.dll
%TEMP%\nsg6.tmp\nsExec.dll
%TEMP%\nsg6.tmp\cad.exe
%TEMP%\nsg6.tmp\ns7.tmp
%PROGRAM_FILES%\DD20.4.2201209242019\Advantig.txt
%TEMP%\nsisdt.dll
%TEMP%\nsg6.tmp\nsA.tmp
%TEMP%\nsg6.tmp\ns9.tmp
%TEMP%\nsg6.tmp\ns8.tmp
Moves the following files:
from %TEMP%\nsx3.tmp\Ring.wav to %PROGRAM_FILES%\DD20.4.2201209242019\Ring.wav
from %TEMP%\nsx3.tmp\DD.txt to %PROGRAM_FILES%\DD20.4.2201209242019\DD.txt
from %TEMP%\nsg6.tmp\DualDesk.exe to %PROGRAM_FILES%\DD20.4.2201209242019\DualDesk.exe
from %TEMP%\nsx3.tmp\Blank.bmp to %PROGRAM_FILES%\DD20.4.2201209242019\Blank.bmp
from %TEMP%\nsx3.tmp\Logo.bmp to %PROGRAM_FILES%\DD20.4.2201209242019\Logo.bmp
from %TEMP%\nsx3.tmp\Icon1.ico to %PROGRAM_FILES%\DD20.4.2201209242019\icon1.ico
from %TEMP%\nsx3.tmp\Icon2.ico to %PROGRAM_FILES%\DD20.4.2201209242019\icon2.ico
Network activity:
Connects to:
'98.##3.64.134':443
'www.du###esk.com':80
'localhost':1038
TCP:
HTTP GET requests:
www.du###esk.com/unreg/3-1714566496.txt
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: 'DualDesk Tray Icon' WindowName: ''
ClassName: 'SysListView32' WindowName: ''
ClassName: 'DualDesk desktop sink' WindowName: ''
ClassName: '#32770' WindowName: ''
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
欢迎下载 Dr.Web for Android
免费3个月
可使用所有保护组件
可在AppGallery/Google Pay延期
继续使用此网站意味着您同意我们使用Cookie文件和其他用于收集网站访问统计信息的技术手段。详细信息
OK