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Trojan.DownLoader23.409

Added to the Dr.Web virus database: 2016-10-19

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Transfer Assistant Log Protection' = '<SYSTEM32>\rtkhetdcmc.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Agent NGEN PnP-X Shell UserMode Manager] 'ImagePath' = '<SYSTEM32>\rtkhetdcmc.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Agent NGEN PnP-X Shell UserMode Manager] '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>\dhscszqd.exe' "<SYSTEM32>\rtkhetdcmc.exe"
  • '%WINDIR%\Temp\ezne9r8adxuavsajh.exe' -r 36130 tcp
  • '%TEMP%\ezne9rp36dvfvsajheqfaywv.exe'
  • '<SYSTEM32>\rtkhetdcmc.exe'
Modifies file system:
Creates the following files:
  • <SYSTEM32>\wzxfyraqa\run
  • <SYSTEM32>\wzxfyraqa\rng
  • %WINDIR%\Temp\ezne9r8adxuavsajh.exe
  • <SYSTEM32>\wzxfyraqa\cfg
  • %TEMP%\ezne9rp36dvfvsajheqfaywv.exe
  • <SYSTEM32>\wzxfyraqa\tst
  • <SYSTEM32>\dhscszqd.exe
  • <SYSTEM32>\rtkhetdcmc.exe
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\dhscszqd.exe
  • <SYSTEM32>\rtkhetdcmc.exe
Deletes the following files:
  • %WINDIR%\Temp\ezne9r8adxuavsajh.exe
  • %TEMP%\ezne9rp36dvfvsajheqfaywv.exe
Network activity:
Connects to:
  • 'fe###nder.ru':80
  • 'wh###end.net':80
  • 'hi###end.net':80
  • 'lo###nder.net':80
  • 'th###lend.net':80
  • 'fe###onday.net':80
  • 'fe###nder.net':80
  • 'wh###onday.ru':80
  • 'ri###nstorm.net':80
  • '18#.#06.120.168':80
  • '18#.#17.73.77':80
  • 'lo####thepings.ru':80
  • 'hi###eed.net':80
  • 'wh###onday.net':80
  • 'wh###eed.net':80
TCP:
HTTP GET requests:
  • http://fe###nder.ru/index.php
  • http://wh###end.net/index.php
  • http://hi###end.net/index.php
  • http://lo###nder.net/index.php
  • http://th###lend.net/index.php
  • http://fe###onday.net/index.php
  • http://fe###nder.net/index.php
  • http://wh###onday.ru/index.php
  • http://ri###nstorm.net/index.php
  • http://18#.#06.120.168/index.php
  • http://18#.#17.73.77/index.php
  • http://lo####thepings.ru/index.php
  • http://hi###eed.net/index.php
  • http://wh###onday.net/index.php
  • http://wh###eed.net/index.php
UDP:
  • DNS ASK mi###ure.net
  • DNS ASK tr###sure.net
  • DNS ASK cl###shirt.net
  • DNS ASK da###hirt.net
  • DNS ASK tr###cause.net
  • DNS ASK mi###hot.net
  • DNS ASK mi###ause.net
  • DNS ASK tr###cause.ru
  • DNS ASK cl###shirt.ru
  • DNS ASK cl###wash.net
  • DNS ASK da###ash.net
  • DNS ASK si###hirt.net
  • DNS ASK da##wash.ru
  • DNS ASK cl###talk.net
  • DNS ASK da###alk.net
  • DNS ASK cl###below.net
  • DNS ASK da###elow.net
  • DNS ASK wi###ack.net
  • DNS ASK du###ack.net
  • DNS ASK du##shot.ru
  • DNS ASK du###hot.net
  • DNS ASK th###cause.ru
  • DNS ASK th###cause.net
  • DNS ASK th###sure.net
  • DNS ASK si###sure.net
  • DNS ASK wi###hot.net
  • DNS ASK tr###back.net
  • DNS ASK wi##sure.ru
  • DNS ASK tr###shot.net
  • DNS ASK mi###ack.net
  • DNS ASK wi###ause.net
  • DNS ASK du###ause.net
  • DNS ASK wi###ure.net
  • DNS ASK du###ure.net
  • DNS ASK me###hirt.net
  • DNS ASK th###elow.net
  • DNS ASK qu###talk.net
  • DNS ASK th###ash.net
  • DNS ASK qu###below.net
  • DNS ASK qu###shirt.net
  • DNS ASK th###hirt.net
  • DNS ASK th##talk.ru
  • DNS ASK th###alk.net
  • DNS ASK qu###wash.net
  • DNS ASK ca###alk.net
  • DNS ASK he###elow.net
  • DNS ASK ca###elow.net
  • DNS ASK he###elow.ru
  • DNS ASK he###hirt.net
  • DNS ASK qu###wash.ru
  • DNS ASK he###alk.net
  • DNS ASK ca###hirt.net
  • DNS ASK si###ash.net
  • DNS ASK me###elow.net
  • DNS ASK mo###hirt.net
  • DNS ASK me###ash.net
  • DNS ASK me##talk.ru
  • DNS ASK si###alk.net
  • DNS ASK si###elow.net
  • DNS ASK me###alk.net
  • DNS ASK mo###hirt.ru
  • DNS ASK su###ybelow.ru
  • DNS ASK su###ybelow.net
  • DNS ASK su###ywash.net
  • DNS ASK mo###ash.net
  • DNS ASK mo###alk.net
  • DNS ASK su###yshirt.net
  • DNS ASK mo###elow.net
  • DNS ASK su###ytalk.net
  • DNS ASK cl###cause.ru
  • DNS ASK cl###cause.net
  • DNS ASK cl###sure.net
  • DNS ASK da###ure.net
  • DNS ASK da###hot.net
  • DNS ASK cl###back.net
  • DNS ASK da###ause.net
  • DNS ASK cl###shot.net
  • DNS ASK si###ack.net
  • DNS ASK me###ause.net
  • DNS ASK si###ause.net
  • DNS ASK me###ure.net
  • DNS ASK si###ure.net
  • DNS ASK si###hot.net
  • DNS ASK me###ack.net
  • DNS ASK me###hot.net
  • DNS ASK si##shot.ru
  • DNS ASK wi###lept.net
  • DNS ASK du###lept.ru
  • DNS ASK mi###reak.net
  • DNS ASK tr###break.net
  • DNS ASK du###ers.net
  • DNS ASK wi###rove.net
  • DNS ASK du###lept.net
  • DNS ASK wi###ers.net
  • DNS ASK tr###prove.net
  • DNS ASK mi###lept.net
  • DNS ASK tr###slept.net
  • DNS ASK da##back.ru
  • DNS ASK da###ack.net
  • DNS ASK mi###rove.ru
  • DNS ASK mi###rove.net
  • DNS ASK mi###ers.net
  • DNS ASK tr###hers.net
  • DNS ASK me##sure.ru
  • DNS ASK ca###hot.net
  • DNS ASK he###hot.net
  • DNS ASK he###ause.net
  • DNS ASK ca##shot.ru
  • DNS ASK qu###sure.net
  • DNS ASK th##sure.ru
  • DNS ASK ca###ack.net
  • DNS ASK he###ack.net
  • DNS ASK he###ure.net
  • DNS ASK th###back.net
  • DNS ASK si###shot.net
  • DNS ASK si###cause.net
  • DNS ASK th###shot.net
  • DNS ASK ca###ure.net
  • DNS ASK ca###ause.net
  • DNS ASK si###back.ru
  • DNS ASK si###back.net
  • DNS ASK mo###ause.ru
  • DNS ASK mo###ause.net
  • DNS ASK mo###ure.net
  • DNS ASK su###ycause.net
  • DNS ASK su###yback.net
  • DNS ASK mo###ack.net
  • DNS ASK su###yshot.net
  • DNS ASK mo###hot.net
  • DNS ASK su###ysure.net
  • DNS ASK th###ause.net
  • DNS ASK qu###shot.net
  • DNS ASK th###ure.net
  • DNS ASK qu###cause.net
  • DNS ASK qu###back.net
  • DNS ASK th###ack.net
  • DNS ASK th###hot.net
  • DNS ASK qu###back.ru
  • DNS ASK pi###njoy.net
  • DNS ASK so###njoy.ru
  • DNS ASK pi###orld.net
  • DNS ASK so###orld.net
  • DNS ASK so###ctover.net
  • DNS ASK pi###orse.net
  • DNS ASK so###njoy.net
  • DNS ASK pi###ctover.net
  • DNS ASK ab###orse.net
  • DNS ASK ab###orld.net
  • DNS ASK lo##lend.ru
  • DNS ASK wi###nder.net
  • DNS ASK wi###end.net
  • DNS ASK kn###orse.ru
  • DNS ASK kn###orse.net
  • DNS ASK kn###ctover.net
  • DNS ASK ab###ctover.net
  • DNS ASK ju###orld.net
  • DNS ASK mo###orld.net
  • DNS ASK ro###orse.net
  • DNS ASK si###orse.net
  • DNS ASK ju###njoy.net
  • DNS ASK mo###ctover.net
  • DNS ASK mo###njoy.ru
  • DNS ASK mo###njoy.net
  • DNS ASK si###ctover.net
  • DNS ASK ro###orld.net
  • DNS ASK ro###njoy.net
  • DNS ASK so###orse.net
  • DNS ASK ro###orld.ru
  • DNS ASK ro###ctover.net
  • DNS ASK si###ctover.ru
  • DNS ASK si###orld.net
  • DNS ASK si###njoy.net
  • DNS ASK fe###onday.net
  • DNS ASK th###lend.net
  • DNS ASK lo###nder.net
  • DNS ASK fe###nder.net
  • DNS ASK lo##feed.ru
  • DNS ASK fe###end.net
  • DNS ASK th###monday.ru
  • DNS ASK th###monday.net
  • DNS ASK fe###nder.ru
  • DNS ASK wh###eed.net
  • DNS ASK wh###onday.net
  • DNS ASK ri###nstorm.net
  • DNS ASK lo####thepings.ru
  • DNS ASK hi###end.net
  • DNS ASK wh###end.net
  • DNS ASK hi###eed.net
  • DNS ASK wh###onday.ru
  • DNS ASK dr###under.net
  • DNS ASK th###feed.net
  • DNS ASK dr###lend.net
  • DNS ASK kn###orld.net
  • DNS ASK wi###onday.net
  • DNS ASK dr###feed.net
  • DNS ASK dr###monday.net
  • DNS ASK ab###njoy.net
  • DNS ASK ab###orld.ru
  • DNS ASK th###under.net
  • DNS ASK lo###eed.net
  • DNS ASK wi###eed.net
  • DNS ASK fe###eed.net
  • DNS ASK lo###end.net
  • DNS ASK dr###feed.ru
  • DNS ASK kn###njoy.net
  • DNS ASK lo###onday.net
  • DNS ASK ju###ctover.net
  • DNS ASK tr###shirt.ru
  • DNS ASK tr###shirt.net
  • DNS ASK mi###alk.net
  • DNS ASK mi###hirt.net
  • DNS ASK wi###elow.net
  • DNS ASK du###elow.net
  • DNS ASK wi###ash.net
  • DNS ASK du###ash.net
  • DNS ASK tr###talk.net
  • DNS ASK wi###orse.net
  • DNS ASK mi###ash.net
  • DNS ASK wi###ctover.net
  • DNS ASK dr###horse.net
  • DNS ASK mi###elow.net
  • DNS ASK tr###below.net
  • DNS ASK tr###wash.net
  • DNS ASK mi###elow.ru
  • DNS ASK si###talk.net
  • DNS ASK th###shirt.ru
  • DNS ASK th###below.net
  • DNS ASK th###talk.net
  • DNS ASK ca###ash.net
  • DNS ASK he###ash.net
  • DNS ASK th###shirt.net
  • DNS ASK si###shirt.net
  • DNS ASK si###below.net
  • DNS ASK du###alk.net
  • DNS ASK wi###hirt.net
  • DNS ASK wi##talk.ru
  • DNS ASK wi###alk.net
  • DNS ASK si###wash.ru
  • DNS ASK si###wash.net
  • DNS ASK du###hirt.net
  • DNS ASK th###wash.net
  • DNS ASK wh###orse.net
  • DNS ASK fe###orld.net
  • DNS ASK wh###ctover.net
  • DNS ASK hi###orse.net
  • DNS ASK fe###njoy.net
  • DNS ASK lo###njoy.net
  • DNS ASK lo###orld.ru
  • DNS ASK lo###orld.net
  • DNS ASK hi###ctover.net
  • DNS ASK ju###orse.net
  • DNS ASK hi###orld.net
  • DNS ASK mo###orse.net
  • DNS ASK ju###orse.ru
  • DNS ASK wh###njoy.net
  • DNS ASK hi###ctover.ru
  • DNS ASK wh###orld.net
  • DNS ASK hi###njoy.net
  • DNS ASK dr###world.net
  • DNS ASK wi###orld.net
  • DNS ASK th###horse.net
  • DNS ASK dr###world.ru
  • DNS ASK dr####ctover.net
  • DNS ASK wi###ctover.ru
  • DNS ASK dr###enjoy.net
  • DNS ASK wi###njoy.net
  • DNS ASK th####ctover.net
  • DNS ASK fe###orse.ru
  • DNS ASK fe###orse.net
  • DNS ASK fe###ctover.net
  • DNS ASK lo###ctover.net
  • DNS ASK th###enjoy.net
  • DNS ASK lo###njoy.ru
  • DNS ASK lo###orse.net
  • DNS ASK th###world.net
  • '23#.#55.255.250':1900

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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);
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