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Trojan.DownLoader22.62551

Added to the Dr.Web virus database: 2016-10-13

Virus description added:

Technical Information

Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Update
Executes the following:
  • '<SYSTEM32>\wbem\unsecapp.exe' -Embedding
Terminates or attempts to terminate
the following user processes:
  • safari.exe
  • opera.exe
  • chrome.exe
  • iexplore.exe
  • firefox.exe
Modifies file system:
Creates the following files:
  • %APPDATA%\a050daed
  • %WINDIR%\Resources\2c286f49
  • <LS_APPDATA>\88ff2ef6
  • %HOMEPATH%\Templates\edf4b32a
  • %TEMP%\aad1.tmp
  • <LS_APPDATA>\qkm.exe
  • %ALLUSERSPROFILE%\Application Data\753b9412
Deletes the following files:
  • %TEMP%\aad1.tmp
Network activity:
Connects to:
  • 'ni####xadytyn.com':80
  • 'sa###ocuci.com':80
  • 'su###ukas.com':80
  • 'ny###evys.com':80
  • 'bi###ygaden.com':80
  • 'ko###isatum.com':80
  • 'be####kymyje.com':80
  • 'bi###ejak.com':80
  • 'hi###efugeb.com':80
  • 've####carykeg.com':80
  • 'fy####pufanuj.com':80
  • 'ny###emadyk.com':80
  • 'xa####virocis.com':80
  • 'vu###azaj.com':80
  • 'ga###ataran.com':80
  • 'hy####cyfaqaba.com':80
  • 're####mydefe.com':80
  • 'pu####jiwusiwy.com':80
  • 'ze####hecynovu.com':80
TCP:
HTTP GET requests:
  • http://ze####hecynovu.com/1016000612
  • http://pu####jiwusiwy.com/1016000612
  • http://hy####cyfaqaba.com/1016000612
  • http://ve####carykeg.com/1016000612
  • http://re####mydefe.com/1016000612
  • http://vu###azaj.com/1016000612
  • http://xa####virocis.com/1016000612
  • http://fy####pufanuj.com/1016000612
  • http://ga###ataran.com/1016000612
  • http://ny###emadyk.com/1016000612
UDP:
  • DNS ASK ne###ugerin.com
  • DNS ASK wo####butiqy.com
  • DNS ASK so###icekem.com
  • DNS ASK me####mygyjo.com
  • DNS ASK lo####bevyjydu.com
  • DNS ASK ju###ovih.com
  • DNS ASK su###uxumo.com
  • DNS ASK ji###isunos.com
  • DNS ASK xo####nycerev.com
  • DNS ASK pu####cugefel.com
  • DNS ASK xo####wylabep.com
  • DNS ASK lo###ymova.com
  • DNS ASK microsoft.com
  • DNS ASK da###yzaky.com
  • DNS ASK ci####cakudyko.com
  • DNS ASK wi###iwaji.com
  • DNS ASK fa###ugylov.com
  • DNS ASK ca####hejeluw.com
  • DNS ASK pe####mozoha.com
  • DNS ASK se####faqago.com
  • DNS ASK qo###izali.com
  • DNS ASK ze####hecynovu.com
  • DNS ASK pu####jiwusiwy.com
  • DNS ASK hy####cyfaqaba.com
  • DNS ASK ve####carykeg.com
  • DNS ASK re####mydefe.com
  • DNS ASK vu###azaj.com
  • DNS ASK xa####virocis.com
  • DNS ASK fy####pufanuj.com
  • DNS ASK ga###ataran.com
  • DNS ASK ny###emadyk.com
  • DNS ASK su###ukas.com
  • DNS ASK ko###isatum.com
  • DNS ASK hi###efugeb.com
  • DNS ASK be####kymyje.com
  • DNS ASK zo###ajobu.com
  • DNS ASK ci###orazag.com
  • DNS ASK ni####xadytyn.com
  • DNS ASK ny###evys.com
  • DNS ASK sa###ocuci.com
  • DNS ASK bi###ejak.com
  • DNS ASK bi###ygaden.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'msascui_class' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''

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.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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

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.

Find out more about Dr.Web for Android