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Trojan.DownLoader35.58533

Added to the Dr.Web virus database: 2020-11-20

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %TEMP%\is-rnfoo.tmp\<File name>.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-s5fsq.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-a61ov.tmp
  • %ProgramFiles(x86)%\twis copy\is-hs8i1.tmp
  • %ProgramFiles(x86)%\twis copy\is-u0lch.tmp
  • %ProgramFiles(x86)%\twis copy\is-j6k3b.tmp
  • %ProgramFiles(x86)%\twis copy\is-ceegj.tmp
  • %ProgramFiles(x86)%\twis copy\is-7aur3.tmp
  • %ProgramFiles(x86)%\twis copy\is-lklor.tmp
  • %ProgramFiles(x86)%\twis copy\is-6uars.tmp
  • %ProgramFiles(x86)%\twis copy\is-328i9.tmp
  • %WINDIR%\is-r7a6h.tmp
  • %ProgramFiles(x86)%\twis copy\help\is-33s13.tmp
  • %ProgramFiles(x86)%\twis copy\is-90dg5.tmp
  • %WINDIR%\syswow64\is-566ep.tmp
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\twis copy\twis copy.lnk
  • %ProgramFiles(x86)%\twis copy\skins\0\is-l57de.tmp
  • %ProgramFiles(x86)%\twis copy\windvdcopy.url
  • %ProgramFiles(x86)%\twis copy\skins\0\is-391rj.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-dt52i.tmp
  • %TEMP%\is-nhsvs.tmp\_isetup\_setup64.tmp
  • %TEMP%\is-nhsvs.tmp\_isetup\_shfoldr.dll
  • %TEMP%\is-nhsvs.tmp\_isetup\_isdecmp.dll
  • %TEMP%\is-nhsvs.tmp\_isetup\_iscrypt.dll
  • %ProgramFiles(x86)%\twis copy\is-4b9ca.tmp
  • %ProgramFiles(x86)%\twis copy\language\is-kud6m.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-175nr.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-3m3fr.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-iqfj3.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-348rm.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-4ouvq.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-2kciq.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-57j8v.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-2pac2.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-n6i0p.tmp
  • %ProgramFiles(x86)%\twis copy\skins\0\is-tmcem.tmp
  • %ProgramFiles(x86)%\twis copy\unins000.dat
Moves the following files
  • from %ProgramFiles(x86)%\twis copy\is-4b9ca.tmp to %ProgramFiles(x86)%\twis copy\unins000.exe
  • from %ProgramFiles(x86)%\twis copy\help\is-33s13.tmp to %ProgramFiles(x86)%\twis copy\help\winavi dvd copy help.chm
  • from %WINDIR%\is-r7a6h.tmp to %WINDIR%\windvdbootrecdoe.sys
  • from %ProgramFiles(x86)%\twis copy\is-328i9.tmp to %ProgramFiles(x86)%\twis copy\readme.txt
  • from %ProgramFiles(x86)%\twis copy\is-6uars.tmp to %ProgramFiles(x86)%\twis copy\videoburn.dll
  • from %ProgramFiles(x86)%\twis copy\is-lklor.tmp to %ProgramFiles(x86)%\twis copy\fileio.dll
  • from %ProgramFiles(x86)%\twis copy\is-7aur3.tmp to %ProgramFiles(x86)%\twis copy\aspi.dll
  • from %ProgramFiles(x86)%\twis copy\is-ceegj.tmp to %ProgramFiles(x86)%\twis copy\dvdcopy.dll
  • from %ProgramFiles(x86)%\twis copy\is-j6k3b.tmp to %ProgramFiles(x86)%\twis copy\core.dll
  • from %ProgramFiles(x86)%\twis copy\is-u0lch.tmp to %ProgramFiles(x86)%\twis copy\dvd2one.dll
  • from %ProgramFiles(x86)%\twis copy\is-hs8i1.tmp to %ProgramFiles(x86)%\twis copy\mpeg2videotranslator.dll
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-a61ov.tmp to %ProgramFiles(x86)%\twis copy\skins\0\animation.gif
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-s5fsq.tmp to %ProgramFiles(x86)%\twis copy\skins\0\copynow.bmp
  • from %ProgramFiles(x86)%\twis copy\is-90dg5.tmp to %ProgramFiles(x86)%\twis copy\mwiscopy.exe
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-l57de.tmp to %ProgramFiles(x86)%\twis copy\skins\0\setting.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-tmcem.tmp to %ProgramFiles(x86)%\twis copy\skins\0\down.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-dt52i.tmp to %ProgramFiles(x86)%\twis copy\skins\0\wizard.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-n6i0p.tmp to %ProgramFiles(x86)%\twis copy\skins\0\splash.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-2pac2.tmp to %ProgramFiles(x86)%\twis copy\skins\0\min.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-57j8v.tmp to %ProgramFiles(x86)%\twis copy\skins\0\menu.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-2kciq.tmp to %ProgramFiles(x86)%\twis copy\skins\0\help.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-4ouvq.tmp to %ProgramFiles(x86)%\twis copy\skins\0\close.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-348rm.tmp to %ProgramFiles(x86)%\twis copy\skins\0\web.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-iqfj3.tmp to %ProgramFiles(x86)%\twis copy\skins\0\buynow.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-3m3fr.tmp to %ProgramFiles(x86)%\twis copy\skins\0\background.bmp
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-175nr.tmp to %ProgramFiles(x86)%\twis copy\skins\0\skin.ini
  • from %ProgramFiles(x86)%\twis copy\language\is-kud6m.tmp to %ProgramFiles(x86)%\twis copy\language\english.ini
  • from %ProgramFiles(x86)%\twis copy\skins\0\is-391rj.tmp to %ProgramFiles(x86)%\twis copy\skins\0\select.bmp
  • from %WINDIR%\syswow64\is-566ep.tmp to %WINDIR%\syswow64\sqlite3.dll
Network activity
TCP
  • 'ma#####amenameper.club':443
UDP
  • DNS ASK ma#####amenameper.club
Miscellaneous
Searches for the following windows
  • ClassName: 'BE20112D-E453-11D1-945A-0C04FB9804F9' WindowName: ''
Creates and executes the following
  • '%TEMP%\is-rnfoo.tmp\<File name>.tmp' /SL5="$B0218,4168578,211456,<Full path to file>"
  • '%ProgramFiles(x86)%\twis copy\mwiscopy.exe'

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.

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