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BackDoor.MaosBoot.3059

Added to the Dr.Web virus database: 2016-01-11

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Level Grouping Shell Keying Coordinator' = 'C:\aewjfbkqjqqbut\tkjxbejan.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Event Registrar File Connect Log] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • 'C:\aewjfbkqjqqbut\mwpcccpwfx.exe' "c:\aewjfbkqjqqbut\tkjxbejan.exe"
  • 'C:\aewjfbkqjqqbut\tkjxbejan.exe'
  • 'C:\aewjfbkqjqqbut\zvacw31q3zvbezxezjmv.exe'
Modifies file system :
Creates the following files:
  • C:\aewjfbkqjqqbut\tkjxbejan.exe
  • C:\aewjfbkqjqqbut\mwpcccpwfx.exe
  • C:\aewjfbkqjqqbut\zvacw31q3zvbezxezjmv.exe
  • %WINDIR%\aewjfbkqjqqbut\w0bqtj
  • C:\aewjfbkqjqqbut\w0bqtj
Sets the 'hidden' attribute to the following files:
  • C:\aewjfbkqjqqbut\mwpcccpwfx.exe
  • C:\aewjfbkqjqqbut\tkjxbejan.exe
Deletes the following files:
  • C:\aewjfbkqjqqbut\zvacw31q3zvbezxezjmv.exe
  • %WINDIR%\aewjfbkqjqqbut\w0bqtj
Network activity:
Connects to:
  • 'mo####ladder.net':80
  • 'si###eboard.net':80
  • 'si####ladder.net':80
  • 'si####character.net':80
  • 'mo####character.net':80
  • 'mo#####ncharacter.net':80
  • 'po#####echaracter.net':80
  • 'mo###renter.net':80
  • 'mo###rboard.net':80
  • 'si###eenter.net':80
  • 'la####haracter.net':80
  • 'se####ladder.net':80
  • 'se####character.net':80
  • 'se####lrealize.net':80
  • 'ma####alrealize.net':80
  • 'se###aenter.net':80
  • 'la###enter.net':80
  • 'la###board.net':80
  • 'la###ladder.net':80
  • 'se###aboard.net':80
  • 'mo####inladder.net':80
  • 'su#####character.net':80
  • 'su####tladder.net':80
  • 'wi###wenter.net':80
  • 'wi###wboard.net':80
  • 'pe####senter.net':80
  • 'su####tenter.net':80
  • 'fi####character.net':80
  • 'wi###renter.net':80
  • 'wi###rboard.net':80
  • 'su####tboard.net':80
  • 'mo####inenter.net':80
  • 'po####leenter.net':80
  • 'po####leboard.net':80
  • 'po####leladder.net':80
  • 'mo####inboard.net':80
  • 'wi####ladder.net':80
  • 'pe####sboard.net':80
  • 'pe####sladder.net':80
  • 'pe#####character.net':80
  • 'wi####character.net':80
  • 'wi####realize.net':80
  • 'wi###rshore.net':80
  • 'pe####srealize.net':80
  • 'pe####sdollar.net':80
  • 'wi####dollar.net':80
  • 'su####trealize.net':80
  • 'fi###hshore.net':80
  • 'su####tdollar.net':80
  • 'su####tshore.net':80
  • 'su####twritten.net':80
  • 'po####ledollar.net':80
  • 'mo####inrealize.net':80
  • 'mo####indollar.net':80
  • 'mo####inwritten.net':80
  • 'po####lewritten.net':80
  • 'pe####swritten.net':80
  • 'wi####written.net':80
  • 'wi###wshore.net':80
  • 'po####lerealize.net':80
  • 'pe####sshore.net':80
  • 'le###shore.net':80
  • 'pr####lyrealize.net':80
  • 'se####lshore.net':80
  • 'sw####ealize.net':80
  • 'sw###dollar.net':80
  • 'pr####lydollar.net':80
  • 'se####ldollar.net':80
  • 'ma####aldollar.net':80
  • 'ma####alwritten.net':80
  • 'ma####alshore.net':80
  • 'se####lwritten.net':80
  • 'le###dollar.net':80
  • 'fi####realize.net':80
  • 'fi####dollar.net':80
  • 'fi####written.net':80
  • 'le####ritten.net':80
  • 'sw####ritten.net':80
  • 'pr####lywritten.net':80
  • 'pr####lyshore.net':80
  • 'le####ealize.net':80
  • 'sw###shore.net':80
TCP:
HTTP GET requests:
  • http://mo####ladder.net/index.php
  • http://si###eboard.net/index.php
  • http://si####ladder.net/index.php
  • http://si####character.net/index.php
  • http://mo####character.net/index.php
  • http://mo#####ncharacter.net/index.php
  • http://po#####echaracter.net/index.php
  • http://mo###renter.net/index.php
  • http://mo###rboard.net/index.php
  • http://si###eenter.net/index.php
  • http://la####haracter.net/index.php
  • http://se####ladder.net/index.php
  • http://se####character.net/index.php
  • http://se####lrealize.net/index.php
  • http://ma####alrealize.net/index.php
  • http://se###aenter.net/index.php
  • http://la###enter.net/index.php
  • http://la###board.net/index.php
  • http://la###ladder.net/index.php
  • http://se###aboard.net/index.php
  • http://mo####inladder.net/index.php
  • http://su#####character.net/index.php
  • http://su####tladder.net/index.php
  • http://wi###wenter.net/index.php
  • http://wi###wboard.net/index.php
  • http://pe####senter.net/index.php
  • http://su####tenter.net/index.php
  • http://fi####character.net/index.php
  • http://wi###renter.net/index.php
  • http://wi###rboard.net/index.php
  • http://su####tboard.net/index.php
  • http://mo####inenter.net/index.php
  • http://po####leenter.net/index.php
  • http://po####leboard.net/index.php
  • http://po####leladder.net/index.php
  • http://mo####inboard.net/index.php
  • http://wi####ladder.net/index.php
  • http://pe####sboard.net/index.php
  • http://pe####sladder.net/index.php
  • http://pe#####character.net/index.php
  • http://wi####character.net/index.php
  • http://wi####realize.net/index.php
  • http://wi###rshore.net/index.php
  • http://pe####srealize.net/index.php
  • http://pe####sdollar.net/index.php
  • http://wi####dollar.net/index.php
  • http://su####trealize.net/index.php
  • http://fi###hshore.net/index.php
  • http://su####tdollar.net/index.php
  • http://su####tshore.net/index.php
  • http://su####twritten.net/index.php
  • http://po####ledollar.net/index.php
  • http://mo####inrealize.net/index.php
  • http://mo####indollar.net/index.php
  • http://mo####inwritten.net/index.php
  • http://po####lewritten.net/index.php
  • http://pe####swritten.net/index.php
  • http://wi####written.net/index.php
  • http://wi###wshore.net/index.php
  • http://po####lerealize.net/index.php
  • http://pe####sshore.net/index.php
  • http://le###shore.net/index.php
  • http://pr####lyrealize.net/index.php
  • http://se####lshore.net/index.php
  • http://sw####ealize.net/index.php
  • http://sw###dollar.net/index.php
  • http://pr####lydollar.net/index.php
  • http://se####ldollar.net/index.php
  • http://ma####aldollar.net/index.php
  • http://ma####alwritten.net/index.php
  • http://ma####alshore.net/index.php
  • http://se####lwritten.net/index.php
  • http://le###dollar.net/index.php
  • http://fi####realize.net/index.php
  • http://fi####dollar.net/index.php
  • http://fi####written.net/index.php
  • http://le####ritten.net/index.php
  • http://sw####ritten.net/index.php
  • http://pr####lywritten.net/index.php
  • http://pr####lyshore.net/index.php
  • http://le####ealize.net/index.php
  • http://sw###shore.net/index.php
UDP:
  • DNS ASK mo####ladder.net
  • DNS ASK si###eboard.net
  • DNS ASK si####ladder.net
  • DNS ASK si####character.net
  • DNS ASK mo####character.net
  • DNS ASK mo#####ncharacter.net
  • DNS ASK po#####echaracter.net
  • DNS ASK mo###renter.net
  • DNS ASK mo###rboard.net
  • DNS ASK si###eenter.net
  • DNS ASK la####haracter.net
  • DNS ASK se####ladder.net
  • DNS ASK se####character.net
  • DNS ASK se####lrealize.net
  • DNS ASK ma####alrealize.net
  • DNS ASK se###aenter.net
  • DNS ASK la###enter.net
  • DNS ASK la###board.net
  • DNS ASK la###ladder.net
  • DNS ASK se###aboard.net
  • DNS ASK mo####inladder.net
  • DNS ASK su#####character.net
  • DNS ASK su####tladder.net
  • DNS ASK wi###wenter.net
  • DNS ASK wi###wboard.net
  • DNS ASK pe####senter.net
  • DNS ASK su####tenter.net
  • DNS ASK fi####character.net
  • DNS ASK wi###renter.net
  • DNS ASK wi###rboard.net
  • DNS ASK su####tboard.net
  • DNS ASK mo####inenter.net
  • DNS ASK po####leenter.net
  • DNS ASK po####leboard.net
  • DNS ASK po####leladder.net
  • DNS ASK mo####inboard.net
  • DNS ASK wi####ladder.net
  • DNS ASK pe####sboard.net
  • DNS ASK pe####sladder.net
  • DNS ASK pe#####character.net
  • DNS ASK wi####character.net
  • DNS ASK wi####realize.net
  • DNS ASK wi###rshore.net
  • DNS ASK pe####srealize.net
  • DNS ASK pe####sdollar.net
  • DNS ASK wi####dollar.net
  • DNS ASK su####trealize.net
  • DNS ASK fi###hshore.net
  • DNS ASK su####tdollar.net
  • DNS ASK su####tshore.net
  • DNS ASK su####twritten.net
  • DNS ASK po####ledollar.net
  • DNS ASK mo####inrealize.net
  • DNS ASK mo####indollar.net
  • DNS ASK mo####inwritten.net
  • DNS ASK po####lewritten.net
  • DNS ASK pe####swritten.net
  • DNS ASK wi####written.net
  • DNS ASK wi###wshore.net
  • DNS ASK po####lerealize.net
  • DNS ASK pe####sshore.net
  • DNS ASK le###shore.net
  • DNS ASK pr####lyrealize.net
  • DNS ASK se####lshore.net
  • DNS ASK sw####ealize.net
  • DNS ASK sw###dollar.net
  • DNS ASK pr####lydollar.net
  • DNS ASK se####ldollar.net
  • DNS ASK ma####aldollar.net
  • DNS ASK ma####alwritten.net
  • DNS ASK ma####alshore.net
  • DNS ASK se####lwritten.net
  • DNS ASK le###dollar.net
  • DNS ASK fi####realize.net
  • DNS ASK fi####dollar.net
  • DNS ASK fi####written.net
  • DNS ASK le####ritten.net
  • DNS ASK sw####ritten.net
  • DNS ASK pr####lywritten.net
  • DNS ASK pr####lyshore.net
  • DNS ASK le####ealize.net
  • DNS ASK sw###shore.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''

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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  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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