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Trojan.DownLoader25.55543

Added to the Dr.Web virus database: 2017-11-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Function Mapper Time Agent Discovery PnP-X' = 'C:\arygiqbxk\wjwustkrctmy.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Superfetch Installer Fax Store PC Window] 'ImagePath' = 'C:\arygiqbxk\wjwustkrctmy.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Superfetch Installer Fax Store PC Window] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • 'C:\arygiqbxk\nfnnli69kxpzf.exe' "c:\arygiqbxk\wjwustkrctmy.exe"
  • 'C:\arygiqbxk\wjwustkrctmy.exe'
  • 'C:\arygiqbxk\nymsn4z39pumawjc4uba.exe'
Modifies file system:
Creates the following files:
  • C:\arygiqbxk\wjwustkrctmy.exe
  • C:\arygiqbxk\nfnnli69kxpzf.exe
  • C:\arygiqbxk\rh0irkiery
  • %WINDIR%\arygiqbxk\havenik
  • C:\arygiqbxk\havenik
  • C:\arygiqbxk\nymsn4z39pumawjc4uba.exe
Sets the 'hidden' attribute to the following files:
  • C:\arygiqbxk\nfnnli69kxpzf.exe
  • C:\arygiqbxk\wjwustkrctmy.exe
Deletes the following files:
  • C:\arygiqbxk\nymsn4z39pumawjc4uba.exe
  • %WINDIR%\arygiqbxk\havenik
Substitutes the following files:
  • %WINDIR%\arygiqbxk\havenik
Network activity:
Connects to:
  • 'ta#####pielenreiten.org':80
  • 'pr####anabolikov.ru':80
  • 'gr#####lebernadine.net':80
  • 'ma#####necharisma.net':80
  • 'so####ryducks.com':80
  • 'ka#######ayajivayapriroda.ru':80
  • 'sp##tnav.ru':80
  • 'na##top.ru':80
  • 'pi##asia.cn':80
  • 'ma#####necharisma.ru':80
  • 'ma#####neanderson.net':80
  • 'gr#####leanderson.net':80
  • 'st#####iabernadine.net':80
  • 'st#####iaanastacia.net':80
  • 'gr#####lecharisma.net':80
  • 'si#####tebernadine.net':80
  • 'ma#####neanastacia.net':80
  • 'gr#####leanderson.ru':80
  • 'gr#####leanastacia.net':80
  • 'ga####liongrass.net':80
  • 'ag#####anabolics.com':80
  • 'bu####rmansion.com':80
  • 'ha####nhalflion.net':80
  • 'sc####ainbow.net':80
  • 'si###ypeas.net':80
  • 'ye####gdongwu.cn':80
  • 'ca#####eeitinthecup.org':80
  • 'to###tosales.ru':80
  • 'pr##card.ru':80
  • 'ch####isportsmen.ru':80
  • 'gu##155.cn':80
  • 'cl#####ortswomen.com':80
  • 'sc#####epuzzlechess.org':80
  • 'do##bate.cn':80
  • 'un###lgrain.org':80
  • 'cl####portsmen.com':80
  • 'gr###factory.cn':80
  • 'ga#####yundongyuan.cn':80
TCP:
HTTP GET requests:
  • http://ta#####pielenreiten.org/index.php
  • http://pr####anabolikov.ru/index.php
  • http://gr#####lebernadine.net/index.php
  • http://ma#####necharisma.net/index.php
  • http://so####ryducks.com/index.php
  • http://ka#######ayajivayapriroda.ru/index.php
  • http://sp##tnav.ru/index.php
  • http://na##top.ru/index.php
  • http://pi##asia.cn/index.php
  • http://ma#####necharisma.ru/index.php
  • http://ma#####neanderson.net/index.php
  • http://gr#####leanderson.net/index.php
  • http://st#####iabernadine.net/index.php
  • http://st#####iaanastacia.net/index.php
  • http://gr#####lecharisma.net/index.php
  • http://si#####tebernadine.net/index.php
  • http://ma#####neanastacia.net/index.php
  • http://gr#####leanderson.ru/index.php
  • http://gr#####leanastacia.net/index.php
  • http://ga####liongrass.net/index.php
  • http://ag#####anabolics.com/index.php
  • http://bu####rmansion.com/index.php
  • http://ha####nhalflion.net/index.php
  • http://sc####ainbow.net/index.php
  • http://si###ypeas.net/index.php
  • http://ye####gdongwu.cn/index.php
  • http://ca#####eeitinthecup.org/index.php
  • http://to###tosales.ru/index.php
  • http://pr##card.ru/index.php
  • http://ch####isportsmen.ru/index.php
  • http://gu##155.cn/index.php
  • http://cl#####ortswomen.com/index.php
  • http://sc#####epuzzlechess.org/index.php
  • http://do##bate.cn/index.php
  • http://un###lgrain.org/index.php
  • http://cl####portsmen.com/index.php
  • http://gr###factory.cn/index.php
  • http://ga#####yundongyuan.cn/index.php
UDP:
  • DNS ASK ka#####naecclestone.net
  • DNS ASK br######nchamberlain.net
  • DNS ASK ka######achamberlain.net
  • DNS ASK ka#####naecclestone.ru
  • DNS ASK sy#####eranthonyson.net
  • DNS ASK ka######abrassington.net
  • DNS ASK br######nbrassington.net
  • DNS ASK ha######ebrassington.net
  • DNS ASK gw######nbrassington.net
  • DNS ASK ha#####teecclestone.net
  • DNS ASK br#####nnanthonyson.net
  • DNS ASK br#####nnecclestone.net
  • DNS ASK ka#####naanthonyson.net
  • DNS ASK br#####nnanthonyson.ru
  • DNS ASK me######erecclestone.net
  • DNS ASK ca######echamberlain.net
  • DNS ASK ma######nebrassington.net
  • DNS ASK ma######nechamberlain.net
  • DNS ASK me######erchamberlain.net
  • DNS ASK wi#####edbrassington.ru
  • DNS ASK jo#####neecclestone.net
  • DNS ASK sy#####erchamberlain.ru
  • DNS ASK sy######rchamberlain.net
  • DNS ASK wi#####edanthonyson.net
  • DNS ASK wi######dchamberlain.net
  • DNS ASK ma######neanthonyson.net
  • DNS ASK wi#####edecclestone.net
  • DNS ASK sy#####erecclestone.net
  • DNS ASK gw#####ynecclestone.net
  • DNS ASK gr#####leecclestone.ru
  • DNS ASK gr#####leecclestone.net
  • DNS ASK ma######echamberlain.net
  • DNS ASK ma#####neecclestone.net
  • DNS ASK ki#####eyanthonyson.net
  • DNS ASK gr######ebrassington.net
  • DNS ASK ma######ebrassington.net
  • DNS ASK si######ebrassington.net
  • DNS ASK st######abrassington.net
  • DNS ASK si#####teecclestone.net
  • DNS ASK si#####tebrassington.ru
  • DNS ASK gr######echamberlain.net
  • DNS ASK ma#####neanthonyson.net
  • DNS ASK gr#####leanthonyson.net
  • DNS ASK gw#####ynanthonyson.net
  • DNS ASK je######ebrassington.net
  • DNS ASK ki#####eybrassington.ru
  • DNS ASK ha#####teanthonyson.net
  • DNS ASK ha#####techamberlain.ru
  • DNS ASK ha######echamberlain.net
  • DNS ASK gw######nchamberlain.net
  • DNS ASK je######echamberlain.net
  • DNS ASK je#####teanthonyson.ru
  • DNS ASK je#####teanthonyson.net
  • DNS ASK ki######ychamberlain.net
  • DNS ASK ki######ybrassington.net
  • DNS ASK ki#####eyecclestone.net
  • DNS ASK je#####teecclestone.net
  • DNS ASK jo######ebrassington.net
  • DNS ASK cl#####ortswomen.com
  • DNS ASK sp##tnav.ru
  • DNS ASK ka#######ayajivayapriroda.ru
  • DNS ASK sc#####epuzzlechess.org
  • DNS ASK do##bate.cn
  • DNS ASK gu##155.cn
  • DNS ASK ch####isportsmen.ru
  • DNS ASK ta#####pielenreiten.org
  • DNS ASK ma#####necharisma.net
  • DNS ASK gr#####lebernadine.net
  • DNS ASK pr####anabolikov.ru
  • DNS ASK pi##asia.cn
  • DNS ASK na##top.ru
  • DNS ASK so####ryducks.com
  • DNS ASK sc####ainbow.net
  • DNS ASK ag#####anabolics.com
  • DNS ASK ga####liongrass.net
  • DNS ASK ca#####eeitinthecup.org
  • DNS ASK ye####gdongwu.cn
  • DNS ASK si###ypeas.net
  • DNS ASK to###tosales.ru
  • DNS ASK un###lgrain.org
  • DNS ASK ga#####yundongyuan.cn
  • DNS ASK gr###factory.cn
  • DNS ASK cl####portsmen.com
  • DNS ASK ha####nhalflion.net
  • DNS ASK bu####rmansion.com
  • DNS ASK pr##card.ru
  • DNS ASK ma#####necharisma.ru
  • DNS ASK wi######dbrassington.net
  • DNS ASK sy######rbrassington.net
  • DNS ASK jo#####neanthonyson.net
  • DNS ASK me######erbrassington.net
  • DNS ASK ca######ebrassington.net
  • DNS ASK ma######neecclestone.net
  • DNS ASK st#####iacharisma.net
  • DNS ASK jo#####neecclestone.ru
  • DNS ASK jo######echamberlain.net
  • DNS ASK ca#####neanthonyson.net
  • DNS ASK me######eranthonyson.net
  • DNS ASK ca#####neecclestone.net
  • DNS ASK me#####heranthonyson.ru
  • DNS ASK si#####teanderson.net
  • DNS ASK gr#####lecharisma.net
  • DNS ASK gr#####leanderson.net
  • DNS ASK ma#####neanderson.net
  • DNS ASK gr#####leanderson.ru
  • DNS ASK ma#####neanastacia.net
  • DNS ASK si#####tebernadine.net
  • DNS ASK gr#####leanastacia.net
  • DNS ASK si#####teanastacia.net
  • DNS ASK st#####iaanderson.net
  • DNS ASK ca#####nebrassington.ru
  • DNS ASK si#####teanastacia.ru
  • DNS ASK st#####iaanastacia.net
  • DNS ASK st#####iabernadine.net
  • DNS ASK si#####techarisma.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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  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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