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Trojan.DownLoader23.47519

Aggiunto al database dei virus Dr.Web: 2017-01-20

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Resource Human Profile Alerts Assistant' = '<SYSTEM32>\atysquaejr.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Provider Process Modules DLL DHCP] 'ImagePath' = '<SYSTEM32>\atysquaejr.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Provider Process Modules DLL DHCP] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • Windows Security Center
Executes the following:
  • '<SYSTEM32>\pvamyxbfp.exe' "<SYSTEM32>\atysquaejr.exe"
  • '%WINDIR%\Temp\xab4xg2xe9yem.exe' -r 48915 tcp
  • '%TEMP%\xab4xg2prjyemc7ewho.exe'
  • '<SYSTEM32>\atysquaejr.exe'
Modifies file system:
Creates the following files:
  • <SYSTEM32>\lhsailshbhh\run
  • <SYSTEM32>\lhsailshbhh\rng
  • %WINDIR%\Temp\xab4xg2xe9yem.exe
  • <SYSTEM32>\lhsailshbhh\cfg
  • <SYSTEM32>\pvamyxbfp.exe
  • %TEMP%\xab4xg2prjyemc7ewho.exe
  • <SYSTEM32>\lhsailshbhh\tst
  • <SYSTEM32>\atysquaejr.exe
  • <SYSTEM32>\lhsailshbhh\etc
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\pvamyxbfp.exe
  • <SYSTEM32>\atysquaejr.exe
Deletes the following files:
  • %WINDIR%\Temp\xab4xg2xe9yem.exe
  • <DRIVERS>\etc\hosts
  • %TEMP%\xab4xg2prjyemc7ewho.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
  • 'li###uild.net':80
  • 'th###build.net':80
  • 'li###ron.net':80
  • 'th###roll.net':80
  • 'li###eal.net':80
  • 'th###deal.net':80
  • 'li###oll.net':80
  • 'th###iron.net':80
  • 'fi###build.net':80
  • 'so###build.net':80
  • 'fi###iron.net':80
  • 'so###roll.net':80
  • 'fi###deal.net':80
  • 'so###deal.net':80
  • 'fi###roll.net':80
  • 'ta###build.net':80
  • 'le###ron.net':80
  • 'ta###iron.net':80
  • 'le###uild.net':80
  • 'ta###deal.net':80
  • 'le###oll.net':80
  • 'ta###roll.net':80
  • 'we###eal.net':80
  • 'fe###uild.net':80
  • 'we###ron.net':80
  • 'fe###ron.net':80
  • 'we###uild.net':80
  • 'fe###eal.net':80
  • 'we###oll.net':80
  • 'fe###oll.net':80
  • 'so###iron.net':80
  • 'li###eight.net':80
  • 'ca###ile.net':80
  • 'fe###tate.net':80
  • 'no###ook.net':80
  • 'li###ome.net':80
  • 'no###ome.net':80
  • 'li###ook.net':80
  • 'mu###appy.net':80
  • 'qu###tell.net':80
  • 'so###nder.net':80
  • 'ab###ead.net':80
  • 'we####dayhalf.net':80
  • 'fa###oat.net':80
  • 'dr####hirteen.net':80
  • 'mo###rest.net':80
  • 'fa###took.net':80
  • 'ri###ook.net':80
  • 'fa###weight.net':80
  • 'ri###ome.net':80
  • 'fa###nerve.net':80
  • 'ri###erve.net':80
  • 'fa###come.net':80
  • 'ri###eight.net':80
  • 'we###eight.net':80
  • 'li###erve.net':80
  • 'no###erve.net':80
  • 'no###eight.net':80
  • 'we###erve.net':80
  • 'we###ome.net':80
  • 'we###ook.net':80
TCP:
HTTP GET requests:
  • http://li###uild.net/index.php?me################################################
  • http://th###build.net/index.php?me################################################
  • http://li###ron.net/index.php?me################################################
  • http://th###roll.net/index.php?me################################################
  • http://li###eal.net/index.php?me################################################
  • http://th###deal.net/index.php?me################################################
  • http://li###oll.net/index.php?me################################################
  • http://th###iron.net/index.php?me################################################
  • http://fi###build.net/index.php?me################################################
  • http://so###build.net/index.php?me################################################
  • http://fi###iron.net/index.php?me################################################
  • http://so###roll.net/index.php?me################################################
  • http://fi###deal.net/index.php?me################################################
  • http://so###deal.net/index.php?me################################################
  • http://fi###roll.net/index.php?me################################################
  • http://ta###build.net/index.php?me################################################
  • http://le###ron.net/index.php?me################################################
  • http://ta###iron.net/index.php?me################################################
  • http://le###uild.net/index.php?me################################################
  • http://ta###deal.net/index.php?me################################################
  • http://le###oll.net/index.php?me################################################
  • http://ta###roll.net/index.php?me################################################
  • http://we###eal.net/index.php?me################################################
  • http://fe###uild.net/index.php?me################################################
  • http://we###ron.net/index.php?me################################################
  • http://fe###ron.net/index.php?me################################################
  • http://we###uild.net/index.php?me################################################
  • http://fe###eal.net/index.php?me################################################
  • http://we###oll.net/index.php?me################################################
  • http://fe###oll.net/index.php?me################################################
  • http://so###iron.net/index.php?me################################################
  • http://li###eight.net/index.php?me################################################
  • http://ca###ile.net/index.php?me################################################
  • http://fe###tate.net/index.php?me################################################
  • http://no###ook.net/index.php?me################################################
  • http://li###ome.net/index.php?me################################################
  • http://no###ome.net/index.php?me################################################
  • http://li###ook.net/index.php?me################################################
  • http://mu###appy.net/index.php?me################################################
  • http://qu###tell.net/index.php?me################################################
  • http://so###nder.net/index.php?me################################################
  • http://ab###ead.net/index.php?me################################################
  • http://we####dayhalf.net/index.php?me################################################
  • http://fa###oat.net/index.php?me################################################
  • http://dr####hirteen.net/index.php?me################################################
  • http://mo###rest.net/index.php?me################################################
  • http://fa###took.net/index.php?me################################################
  • http://ri###ook.net/index.php?me################################################
  • http://fa###weight.net/index.php?me################################################
  • http://ri###ome.net/index.php?me################################################
  • http://fa###nerve.net/index.php?me################################################
  • http://ri###erve.net/index.php?me################################################
  • http://fa###come.net/index.php?me################################################
  • http://ri###eight.net/index.php?me################################################
  • http://we###eight.net/index.php?me################################################
  • http://li###erve.net/index.php?me################################################
  • http://no###erve.net/index.php?me################################################
  • http://no###eight.net/index.php?me################################################
  • http://we###erve.net/index.php?me################################################
  • http://we###ome.net/index.php?me################################################
  • http://we###ook.net/index.php?me################################################
UDP:
  • DNS ASK li###uild.net
  • DNS ASK th###build.net
  • DNS ASK li###ron.net
  • DNS ASK th###roll.net
  • DNS ASK li###eal.net
  • DNS ASK th###deal.net
  • DNS ASK li###oll.net
  • DNS ASK th###iron.net
  • DNS ASK fi###build.net
  • DNS ASK so###build.net
  • DNS ASK fi###iron.net
  • DNS ASK so###roll.net
  • DNS ASK fi###deal.net
  • DNS ASK so###deal.net
  • DNS ASK fi###roll.net
  • DNS ASK fe###ron.net
  • DNS ASK le###uild.net
  • DNS ASK ta###build.net
  • DNS ASK le###ron.net
  • DNS ASK ta###roll.net
  • DNS ASK le###eal.net
  • DNS ASK ta###deal.net
  • DNS ASK le###oll.net
  • DNS ASK ta###iron.net
  • DNS ASK we###uild.net
  • DNS ASK fe###uild.net
  • DNS ASK we###ron.net
  • DNS ASK fe###oll.net
  • DNS ASK we###eal.net
  • DNS ASK fe###eal.net
  • DNS ASK we###oll.net
  • DNS ASK so###iron.net
  • DNS ASK li###eight.net
  • DNS ASK ca###ile.net
  • DNS ASK fe###tate.net
  • DNS ASK no###ook.net
  • DNS ASK li###ome.net
  • DNS ASK no###ome.net
  • DNS ASK li###ook.net
  • DNS ASK mu###appy.net
  • DNS ASK qu###tell.net
  • DNS ASK so###nder.net
  • DNS ASK ab###ead.net
  • DNS ASK we####dayhalf.net
  • DNS ASK fa###oat.net
  • DNS ASK dr####hirteen.net
  • DNS ASK mo###rest.net
  • DNS ASK fa###took.net
  • DNS ASK ri###ook.net
  • DNS ASK fa###weight.net
  • DNS ASK ri###ome.net
  • DNS ASK fa###nerve.net
  • DNS ASK ri###erve.net
  • DNS ASK fa###come.net
  • DNS ASK ri###eight.net
  • DNS ASK we###eight.net
  • DNS ASK li###erve.net
  • DNS ASK no###erve.net
  • DNS ASK no###eight.net
  • DNS ASK we###erve.net
  • DNS ASK we###ome.net
  • DNS ASK we###ook.net
  • '23#.#55.255.250':1900

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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Download Dr.Web

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Download on App Store

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

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Download Dr.Web

Download by serial number

  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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