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Profil

Trojan.DownLoader22.41625

Added to the Dr.Web virus database: 2016-09-14

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Base Alerts Backup Filtering' = '<SYSTEM32>\htykvdklsanx.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Human Compatibility User Log Health Logon Shadow] 'ImagePath' = '<SYSTEM32>\htykvdklsanx.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Human Compatibility User Log Health Logon Shadow] '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>\gxhyptg.exe' "<SYSTEM32>\htykvdklsanx.exe"
  • '%WINDIR%\Temp\ardj6zv8idr54ld.exe' -r 50462 tcp
  • '%TEMP%\ardj6zv301vc1ldieqe4ti.exe'
  • '<SYSTEM32>\htykvdklsanx.exe'
Modifies file system:
Creates the following files:
  • <SYSTEM32>\iyhgnol\run
  • <SYSTEM32>\iyhgnol\rng
  • %WINDIR%\Temp\ardj6zv8idr54ld.exe
  • <SYSTEM32>\iyhgnol\cfg
  • %TEMP%\ardj6zv301vc1ldieqe4ti.exe
  • <SYSTEM32>\iyhgnol\tst
  • <SYSTEM32>\gxhyptg.exe
  • <SYSTEM32>\htykvdklsanx.exe
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\gxhyptg.exe
  • <SYSTEM32>\htykvdklsanx.exe
Deletes the following files:
  • %WINDIR%\Temp\ardj6zv8idr54ld.exe
  • %TEMP%\ardj6zv301vc1ldieqe4ti.exe
Network activity:
Connects to:
  • 'de####erfloor.net':80
  • 'lo###sual.net':80
  • 'lo###ould.net':80
  • 'de####erthrew.ru':80
  • 'al###floor.ru':80
  • 'al###floor.net':80
  • 'so###rave.net':80
  • 'so###sual.net':80
  • 'ba###rave.net':80
  • 'sa###rave.net':80
  • 'lo###rave.net':80
  • 'so###ould.ru':80
  • 'en###usual.net':80
  • 'wi###bout.net':80
  • 're####needle.net':80
  • 'ri###nstorm.net':80
  • '13#.#2.139.16':80
  • '17#.#36.150.135':8080
  • '18#.#06.120.168':80
  • 'er#####udesymphony.net':80
  • 'al###shade.net':80
  • 'al###cross.net':80
  • 'de####erthrew.net':80
  • 'lo####thepings.ru':80
  • 'de####ershade.net':80
  • 'de####ercross.net':80
TCP:
HTTP GET requests:
  • http://lo###sual.net/index.php
  • http://lo###ould.net/index.php
  • http://so###rave.net/index.php
  • http://al###floor.ru/index.php
  • http://al###floor.net/index.php
  • http://de####erfloor.net/index.php
  • http://so###sual.net/index.php
  • http://ba###rave.net/index.php
  • http://sa###rave.net/index.php
  • http://lo###rave.net/index.php
  • http://so###ould.ru/index.php
  • http://en###usual.net/index.php
  • http://de####erthrew.ru/index.php
  • http://re####needle.net/index.php
  • http://ri###nstorm.net/index.php
  • http://er#####udesymphony.net/index.php
  • http://13#.#2.139.16/index.php
  • http://18#.#06.120.168/index.php
  • http://wi###bout.net/index.php
  • http://al###shade.net/index.php
  • http://al###cross.net/index.php
  • http://de####erthrew.net/index.php
  • http://lo####thepings.ru/index.php
  • http://de####ershade.net/index.php
  • http://de####ercross.net/index.php
UDP:
  • DNS ASK st###broke.net
  • DNS ASK ba###tate.net
  • DNS ASK ba###roke.ru
  • DNS ASK st###mark.net
  • DNS ASK ba###roke.net
  • DNS ASK wh###news.ru
  • DNS ASK sa###ark.net
  • DNS ASK wh###news.net
  • DNS ASK st###state.net
  • DNS ASK sa###ews.net
  • DNS ASK ba###ark.net
  • DNS ASK li###roke.net
  • DNS ASK li###tate.net
  • DNS ASK en###mark.net
  • DNS ASK li###ark.net
  • DNS ASK li##mark.ru
  • DNS ASK ba###ews.net
  • DNS ASK st###news.net
  • DNS ASK en###state.ru
  • DNS ASK en###broke.net
  • DNS ASK en###state.net
  • DNS ASK lo###tate.net
  • DNS ASK de####ergrave.net
  • DNS ASK so###tate.net
  • DNS ASK so###roke.net
  • DNS ASK lo###roke.net
  • DNS ASK al###teach.net
  • DNS ASK de####ercould.net
  • DNS ASK de####erteach.net
  • DNS ASK de####ergrave.ru
  • DNS ASK al###grave.net
  • DNS ASK lo##mark.ru
  • DNS ASK sa###tate.net
  • DNS ASK sa###tate.ru
  • DNS ASK wh###broke.net
  • DNS ASK wh###mark.net
  • DNS ASK sa###roke.net
  • DNS ASK so###ark.net
  • DNS ASK lo###ark.net
  • DNS ASK lo###ews.net
  • DNS ASK wh###state.net
  • DNS ASK so###ews.net
  • DNS ASK en###news.net
  • DNS ASK pu##news.ru
  • DNS ASK fr###ymark.net
  • DNS ASK pu###ews.net
  • DNS ASK al###state.net
  • DNS ASK fr###ynews.net
  • DNS ASK fr###ystate.net
  • DNS ASK fr###ystate.ru
  • DNS ASK pu###roke.net
  • DNS ASK fr###ybroke.net
  • DNS ASK pu###ark.net
  • DNS ASK de####erstate.net
  • DNS ASK de####ernews.net
  • DNS ASK al###news.net
  • DNS ASK lo##than.ru
  • DNS ASK so###han.net
  • DNS ASK lo###han.net
  • DNS ASK de####erbroke.net
  • DNS ASK al###broke.net
  • DNS ASK de####erbroke.ru
  • DNS ASK de####ermark.net
  • DNS ASK al###mark.net
  • DNS ASK mo###mark.net
  • DNS ASK ti###roke.net
  • DNS ASK ti###ark.net
  • DNS ASK ti##news.ru
  • DNS ASK mo###news.net
  • DNS ASK mo###state.net
  • DNS ASK li###ews.net
  • DNS ASK ti###tate.net
  • DNS ASK mo###broke.net
  • DNS ASK mo###broke.ru
  • DNS ASK ti###ews.net
  • DNS ASK de###ark.net
  • DNS ASK sh###mark.net
  • DNS ASK sh###news.net
  • DNS ASK pu###tate.net
  • DNS ASK de###ews.net
  • DNS ASK de###tate.net
  • DNS ASK sh###state.net
  • DNS ASK sh###broke.net
  • DNS ASK sh###mark.ru
  • DNS ASK de###roke.net
  • DNS ASK lo###ead.net
  • DNS ASK sa###sual.net
  • DNS ASK sa###each.ru
  • DNS ASK st###could.ru
  • DNS ASK wh###usual.ru
  • DNS ASK st###usual.net
  • DNS ASK ba###rave.net
  • DNS ASK so###sual.net
  • DNS ASK sa###rave.net
  • DNS ASK st###grave.net
  • DNS ASK wh###usual.net
  • DNS ASK wh###teach.net
  • DNS ASK sa###ould.net
  • DNS ASK ba###ould.net
  • DNS ASK so###ould.net
  • DNS ASK st###could.net
  • DNS ASK ba###sual.net
  • DNS ASK lo###each.net
  • DNS ASK ba###rave.ru
  • DNS ASK wh###grave.net
  • DNS ASK st###teach.net
  • DNS ASK ba###each.net
  • DNS ASK de####ershade.net
  • DNS ASK lo####thepings.ru
  • DNS ASK de####ercross.net
  • DNS ASK al###cross.net
  • DNS ASK al###shade.net
  • DNS ASK wi###bout.net
  • DNS ASK al###could.net
  • DNS ASK re####needle.net
  • DNS ASK er#####udesymphony.net
  • DNS ASK ri###nstorm.net
  • DNS ASK de####erthrew.ru
  • DNS ASK so###rave.net
  • DNS ASK lo###ould.net
  • DNS ASK lo###rave.net
  • DNS ASK en###usual.net
  • DNS ASK so###ould.ru
  • DNS ASK al###floor.ru
  • DNS ASK de####erthrew.net
  • DNS ASK al###floor.net
  • DNS ASK lo###sual.net
  • DNS ASK de####erfloor.net
  • DNS ASK sa###each.net
  • DNS ASK sh###grave.net
  • DNS ASK de###each.net
  • DNS ASK de###rave.net
  • DNS ASK pu###sual.net
  • DNS ASK pu###sual.ru
  • DNS ASK sh###could.net
  • DNS ASK de###sual.net
  • DNS ASK de###ould.ru
  • DNS ASK sh###teach.net
  • DNS ASK de###ould.net
  • DNS ASK fr###yusual.net
  • DNS ASK pu###rave.net
  • DNS ASK fr###ygrave.net
  • DNS ASK al###usual.net
  • DNS ASK de####erusual.net
  • DNS ASK al###could.ru
  • DNS ASK fr###ycould.net
  • DNS ASK pu###ould.net
  • DNS ASK pu###each.net
  • DNS ASK fr###yteach.net
  • DNS ASK fr###yteach.ru
  • DNS ASK en###teach.net
  • DNS ASK en###teach.ru
  • DNS ASK li###each.net
  • DNS ASK li###rave.net
  • DNS ASK en###grave.net
  • DNS ASK wh###could.net
  • DNS ASK so###each.net
  • DNS ASK li###sual.net
  • DNS ASK li###ould.net
  • DNS ASK en###could.net
  • DNS ASK mo###usual.net
  • DNS ASK mo###grave.ru
  • DNS ASK ti###each.net
  • DNS ASK mo###grave.net
  • DNS ASK sh###usual.net
  • DNS ASK ti###rave.net
  • DNS ASK ti###sual.net
  • DNS ASK ti###sual.ru
  • DNS ASK mo###could.net
  • DNS ASK mo###teach.net
  • DNS ASK ti###ould.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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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.

Find out more about Dr.Web for Android

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