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Trojan.MulDrop3.45245

Added to the Dr.Web virus database: 2012-04-12

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Christ' = '%HOMEPATH%\sxpzhost.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Christ' = '<Full path to virus>'
Malicious functions:
Creates and executes the following:
  • %HOMEPATH%\sxpzhost.exe
Executes the following:
  • %WINDIR%\explorer.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\sxpzhost.exe
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MozillaUIWindowClass' WindowName: 'Halifax UK | Bank Accounts, Savings, Loans & Mortgages - Mozilla Firefox'
  • ClassName: '{1C03B488-D53B-4a81-97F8-754559640193}' WindowName: 'Lloyds TSB - Current Bank Accounts, Personal Banking, Financial Services'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Lloyds TSB - Current Bank Accounts, Personal Banking, Financial Services - Google Chrome'
  • ClassName: 'IEFrame' WindowName: 'Halifax UK | Bank Accounts, Savings, Loans & Mortgages - Windows Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Halifax UK | Bank Accounts, Savings, Loans & Mortgages - Microsoft Internet Explorer'
  • ClassName: 'MozillaWindowClass' WindowName: 'Halifax UK | Bank Accounts, Savings, Loans & Mortgages - Mozilla Firefox'
  • ClassName: 'MozillaWindowClass' WindowName: 'Lloyds TSB - Current Bank Accounts, Personal Banking, Financial Services - Mozilla Firefox'
  • ClassName: 'MozillaUIWindowClass' WindowName: 'Lloyds TSB - Current Bank Accounts, Personal Banking, Financial Services - Mozilla Firefox'
  • ClassName: '{1C03B488-D53B-4a81-97F8-754559640193}' WindowName: 'Log in to online banking - Google Chrome'
  • ClassName: 'IEFrame' WindowName: 'https://online.lloydstsb.co.uk/personal/logon/login.jsp?WT.ac=hpIBlogon - Windows Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Lloyds TSB - Current Bank Accounts, Personal Banking, Financial Services - Windows Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Lloyds TSB - Current Bank Accounts, Personal Banking, Financial Services - Microsoft Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Nationwide Building Society - Internet Banking - Microsoft Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Log in - Nationwide Internet Bank - Microsoft Internet Explorer'
  • ClassName: 'MozillaWindowClass' WindowName: 'Log in - Nationwide Internet Bank - Mozilla Firefox'
  • ClassName: '{1C03B488-D53B-4a81-97F8-754559640193}' WindowName: 'Log in - Nationwide Internet Bank'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Log in - Nationwide Internet Bank - Google Chrome'
  • ClassName: 'IEFrame' WindowName: 'Log in - Nationwide Internet Bank - Windows Internet Explorer'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Halifax | Mortgages, Bank Accounts, Savings, Credit Cards, Loans, ISAs - Google Chrome'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Halifax UK | Bank Accounts, Savings, Loans & Mortgages - Google Chrome'
  • ClassName: 'IEFrame' WindowName: 'https://www.halifax-online.co.uk/personal/logon/login.jsp - Windows Internet Explorer'
  • ClassName: 'MozillaWindowClass' WindowName: 'Nationwide Building Society - Internet Banking - Mozilla Firefox'
  • ClassName: 'MozillaUIWindowClass' WindowName: 'Log in - Nationwide Internet Bank - Mozilla Firefox'
  • ClassName: '{1C03B488-D53B-4a81-97F8-754559640193}' WindowName: 'Halifax UK | Bank Accounts, Savings, Loans & Mortgages'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Log in to online banking - Google Chrome'
  • ClassName: 'IEFrame' WindowName: 'Barclays Personal Banking | ISAs | Barclays latest ISA rates - Barclays - Microsoft Internet Explorer'
  • ClassName: '{1C03B488-D53B-4a81-97F8-754559640193}' WindowName: 'Verified by Visa - Google Chrome'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Verified by Visa - Google Chrome'
  • ClassName: 'MozillaWindowClass' WindowName: 'Barclays Personal Banking | ISAs | Barclays latest ISA rates - Barclays - Mozilla Firefox'
  • ClassName: 'MozillaUIWindowClass' WindowName: 'Barclays Personal Banking | ISAs | Barclays latest ISA rates - Barclays - Mozilla Firefox'
  • ClassName: 'IEFrame' WindowName: 'Barclays Personal Banking | ISAs | Barclays latest ISA rates - Barclays - Windows Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Verified by Visa - Barclays - Microsoft Internet Explorer'
  • ClassName: '' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'MozillaWindowClass' WindowName: 'Verified by Visa - Mozilla Firefox'
  • ClassName: 'MozillaUIWindowClass' WindowName: 'Verified by Visa - Mozilla Firefox'
  • ClassName: 'IEFrame' WindowName: 'Verified by Visa - Barclays - Windows Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Log in to online banking - Microsoft Internet Explorer'
  • ClassName: '{1C03B488-D53B-4a81-97F8-754559640193}' WindowName: 'Santander Online Banking - Google Chrome'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Santander Online Banking - Google Chrome'
  • ClassName: 'MozillaWindowClass' WindowName: 'Log in to online banking - Mozilla Firefox'
  • ClassName: 'MozillaUIWindowClass' WindowName: 'Log in to online banking - Mozilla Firefox'
  • ClassName: 'IEFrame' WindowName: 'Log in to online banking - Windows Internet Explorer'
  • ClassName: 'IEFrame' WindowName: 'Santander Online Banking - Microsoft Internet Explorer'
  • ClassName: '{1C03B488-D53B-4a81-97F8-754559640193}' WindowName: 'Barclays Personal Banking | ISAs | Barclays latest ISA rates - Barclays - Google Chrome'
  • ClassName: 'Chrome_WidgetWin_0' WindowName: 'Barclays Personal Banking | ISAs | Barclays latest ISA rates - Barclays - Google Chrome'
  • ClassName: 'MozillaWindowClass' WindowName: 'Santander Online Banking - Mozilla Firefox'
  • ClassName: 'MozillaUIWindowClass' WindowName: 'Santander Online Banking - Mozilla Firefox'
  • ClassName: 'IEFrame' WindowName: 'Santander Online Banking - Windows Internet Explorer'

Curing recommendations

  1. 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.
  2. 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.
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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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  1. 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.
  2. 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.

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