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Trojan.DownLoader25.57900

Added to the Dr.Web virus database: 2017-11-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Awareness SPP Solutions Framework' = 'C:\czozefywpfzddfb\pksihytks.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\DNS Center Connect RPC Identity Brightness] 'ImagePath' = 'C:\czozefywpfzddfb\pksihytks.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\DNS Center Connect RPC Identity Brightness] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • 'C:\czozefywpfzddfb\xnogdcavprr.exe' "c:\czozefywpfzddfb\pksihytks.exe"
  • 'C:\czozefywpfzddfb\pksihytks.exe'
  • 'C:\czozefywpfzddfb\fek02i8pwexkujxag8k.exe'
Modifies file system:
Creates the following files:
  • C:\czozefywpfzddfb\pksihytks.exe
  • C:\czozefywpfzddfb\xnogdcavprr.exe
  • C:\czozefywpfzddfb\fek02i8pwexkujxag8k.exe
  • %WINDIR%\czozefywpfzddfb\wyht5d
  • C:\czozefywpfzddfb\wyht5d
Sets the 'hidden' attribute to the following files:
  • C:\czozefywpfzddfb\xnogdcavprr.exe
  • C:\czozefywpfzddfb\pksihytks.exe
Deletes the following files:
  • C:\czozefywpfzddfb\fek02i8pwexkujxag8k.exe
  • %WINDIR%\czozefywpfzddfb\wyht5d
Substitutes the following files:
  • %WINDIR%\czozefywpfzddfb\wyht5d
Network activity:
Connects to:
  • 'pr####twhose.net':80
  • 'ch###except.net':80
  • 'th###whose.net':80
  • 'th####icycle.net':80
  • 'pr####tbicycle.net':80
  • 'ch####icycle.net':80
  • 'co####ebicycle.net':80
  • 'co####ebridge.net':80
  • 'co####eexcept.net':80
  • 'ch###bridge.net':80
  • 'cl###board.net':80
  • 'th###enter.net':80
  • 'th###board.net':80
  • 'th###ladder.net':80
  • 'cl###ladder.net':80
  • 'th###bridge.net':80
  • 'pr####tbridge.net':80
  • 'pr####texcept.net':80
  • 'cl###enter.net':80
  • 'th###except.net':80
  • 'ch###whose.net':80
  • 'mi####bicycle.net':80
  • 'tw####bicycle.net':80
  • 'tw####bridge.net':80
  • 'tw####except.net':80
  • 'mi####bridge.net':80
  • 'mo####gexcept.net':80
  • 'ra####bridge.net':80
  • 'ra####except.net':80
  • 'mi###ewhose.net':80
  • 'tw###ewhose.net':80
  • 'of###bridge.net':80
  • 'al###bridge.net':80
  • 'al###except.net':80
  • 'co####ewhose.net':80
  • 'of###except.net':80
  • 'al###whose.net':80
  • 'mi####except.net':80
  • 'of###whose.net':80
  • 'of####icycle.net':80
  • 'al####icycle.net':80
  • 'cl####haracter.net':80
  • 'tw###eboard.net':80
  • 'mi###eenter.net':80
  • 'mi###eboard.net':80
  • 'mi####ladder.net':80
  • 'tw####ladder.net':80
  • 'ra####ladder.net':80
  • 'mo####gladder.net':80
  • 'mo#####character.net':80
  • 'tw###eenter.net':80
  • 'ra####character.net':80
  • 'al###ladder.net':80
  • 'of###board.net':80
  • 'of###ladder.net':80
  • 'of####haracter.net':80
  • 'al####haracter.net':80
  • 'mi####character.net':80
  • 'tw####character.net':80
  • 'al###enter.net':80
  • 'al###board.net':80
  • 'of###enter.net':80
  • 'ra###rboard.net':80
  • 'am####ladder.net':80
  • 'we####rladder.net':80
  • 'we#####character.net':80
  • 'hi####yenter.net':80
  • 'am####character.net':80
  • 'we####renter.net':80
  • 'th####haracter.net':80
  • 'am###tenter.net':80
  • 'am###tboard.net':80
  • 'we####rboard.net':80
  • 'st#####character.net':80
  • 'hi#####character.net':80
  • 'mo####genter.net':80
  • 'mo####gboard.net':80
  • 'ra###renter.net':80
  • 'hi####yboard.net':80
  • 'st####eenter.net':80
  • 'st####eboard.net':80
  • 'st####eladder.net':80
  • 'hi####yladder.net':80
TCP:
HTTP GET requests:
  • http://pr####twhose.net/index.php
  • http://ch###except.net/index.php
  • http://th###whose.net/index.php
  • http://th####icycle.net/index.php
  • http://pr####tbicycle.net/index.php
  • http://ch####icycle.net/index.php
  • http://co####ebicycle.net/index.php
  • http://co####ebridge.net/index.php
  • http://co####eexcept.net/index.php
  • http://ch###bridge.net/index.php
  • http://cl###board.net/index.php
  • http://th###enter.net/index.php
  • http://th###board.net/index.php
  • http://th###ladder.net/index.php
  • http://cl###ladder.net/index.php
  • http://th###bridge.net/index.php
  • http://pr####tbridge.net/index.php
  • http://pr####texcept.net/index.php
  • http://cl###enter.net/index.php
  • http://th###except.net/index.php
  • http://ch###whose.net/index.php
  • http://mi####bicycle.net/index.php
  • http://tw####bicycle.net/index.php
  • http://tw####bridge.net/index.php
  • http://tw####except.net/index.php
  • http://mi####bridge.net/index.php
  • http://mo####gexcept.net/index.php
  • http://ra####bridge.net/index.php
  • http://ra####except.net/index.php
  • http://mi###ewhose.net/index.php
  • http://tw###ewhose.net/index.php
  • http://of###bridge.net/index.php
  • http://al###bridge.net/index.php
  • http://al###except.net/index.php
  • http://co####ewhose.net/index.php
  • http://of###except.net/index.php
  • http://al###whose.net/index.php
  • http://mi####except.net/index.php
  • http://of###whose.net/index.php
  • http://of####icycle.net/index.php
  • http://al####icycle.net/index.php
  • http://cl####haracter.net/index.php
  • http://tw###eboard.net/index.php
  • http://mi###eenter.net/index.php
  • http://mi###eboard.net/index.php
  • http://mi####ladder.net/index.php
  • http://tw####ladder.net/index.php
  • http://ra####ladder.net/index.php
  • http://mo####gladder.net/index.php
  • http://mo#####character.net/index.php
  • http://tw###eenter.net/index.php
  • http://ra####character.net/index.php
  • http://al###ladder.net/index.php
  • http://of###board.net/index.php
  • http://of###ladder.net/index.php
  • http://of####haracter.net/index.php
  • http://al####haracter.net/index.php
  • http://mi####character.net/index.php
  • http://tw####character.net/index.php
  • http://al###enter.net/index.php
  • http://al###board.net/index.php
  • http://of###enter.net/index.php
  • http://ra###rboard.net/index.php
  • http://am####ladder.net/index.php
  • http://we####rladder.net/index.php
  • http://we#####character.net/index.php
  • http://hi####yenter.net/index.php
  • http://am####character.net/index.php
  • http://we####renter.net/index.php
  • http://th####haracter.net/index.php
  • http://am###tenter.net/index.php
  • http://am###tboard.net/index.php
  • http://we####rboard.net/index.php
  • http://st#####character.net/index.php
  • http://hi#####character.net/index.php
  • http://mo####genter.net/index.php
  • http://mo####gboard.net/index.php
  • http://ra###renter.net/index.php
  • http://hi####yboard.net/index.php
  • http://st####eenter.net/index.php
  • http://st####eboard.net/index.php
  • http://st####eladder.net/index.php
  • http://hi####yladder.net/index.php
UDP:
  • DNS ASK ch###except.net
  • DNS ASK co####eexcept.net
  • DNS ASK pr####twhose.net
  • DNS ASK pr####tbicycle.net
  • DNS ASK th###whose.net
  • DNS ASK co####ebicycle.net
  • DNS ASK ch###whose.net
  • DNS ASK ch####icycle.net
  • DNS ASK ch###bridge.net
  • DNS ASK co####ebridge.net
  • DNS ASK th####icycle.net
  • DNS ASK cl###board.net
  • DNS ASK th###enter.net
  • DNS ASK th###board.net
  • DNS ASK th###ladder.net
  • DNS ASK cl###ladder.net
  • DNS ASK th###bridge.net
  • DNS ASK pr####tbridge.net
  • DNS ASK pr####texcept.net
  • DNS ASK cl###enter.net
  • DNS ASK th###except.net
  • DNS ASK tw####bicycle.net
  • DNS ASK mi###ewhose.net
  • DNS ASK mi####bicycle.net
  • DNS ASK mi####bridge.net
  • DNS ASK tw####bridge.net
  • DNS ASK ra####bridge.net
  • DNS ASK mo####gbridge.net
  • DNS ASK mo####gexcept.net
  • DNS ASK tw###ewhose.net
  • DNS ASK ra####except.net
  • DNS ASK tw####except.net
  • DNS ASK of###bridge.net
  • DNS ASK al###bridge.net
  • DNS ASK al###except.net
  • DNS ASK co####ewhose.net
  • DNS ASK of###except.net
  • DNS ASK al###whose.net
  • DNS ASK mi####except.net
  • DNS ASK of###whose.net
  • DNS ASK of####icycle.net
  • DNS ASK al####icycle.net
  • DNS ASK mi###eenter.net
  • DNS ASK tw###eenter.net
  • DNS ASK tw###eboard.net
  • DNS ASK tw####ladder.net
  • DNS ASK mi###eboard.net
  • DNS ASK mo####gladder.net
  • DNS ASK ra###rboard.net
  • DNS ASK ra####ladder.net
  • DNS ASK ra####character.net
  • DNS ASK mo#####character.net
  • DNS ASK mi####ladder.net
  • DNS ASK al###ladder.net
  • DNS ASK of###board.net
  • DNS ASK of###ladder.net
  • DNS ASK of####haracter.net
  • DNS ASK al####haracter.net
  • DNS ASK mi####character.net
  • DNS ASK tw####character.net
  • DNS ASK al###enter.net
  • DNS ASK al###board.net
  • DNS ASK of###enter.net
  • DNS ASK we####rladder.net
  • DNS ASK am###tboard.net
  • DNS ASK am####ladder.net
  • DNS ASK am####character.net
  • DNS ASK we#####character.net
  • DNS ASK th####haracter.net
  • DNS ASK cl####haracter.net
  • DNS ASK we####renter.net
  • DNS ASK we####rboard.net
  • DNS ASK am###tenter.net
  • DNS ASK hi####yenter.net
  • DNS ASK st#####character.net
  • DNS ASK hi#####character.net
  • DNS ASK mo####genter.net
  • DNS ASK mo####gboard.net
  • DNS ASK ra###renter.net
  • DNS ASK hi####yboard.net
  • DNS ASK st####eenter.net
  • DNS ASK st####eboard.net
  • DNS ASK st####eladder.net
  • DNS ASK hi####yladder.net

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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