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Trojan.DownLoader30.30920

Added to the Dr.Web virus database: 2019-10-28

Virus description added:

Technical Information

To ensure autorun and distribution
Creates the following services
  • [<HKLM>\System\CurrentControlSet\Services\ihzshfhv] 'Start' = '00000002'
  • [<HKLM>\System\CurrentControlSet\Services\ihzshfhv] 'ImagePath' = '%WINDIR%\SysWOW64\ihzshfhv\evdblgnb.exe /d"<Full path to file>"'
  • [<HKLM>\SYSTEM\CurrentControlSet\services\ihzshfhv] 'ImagePath' = '%WINDIR%\SysWOW64\ihzshfhv\evdblgnb.exe'
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion with following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\SysWOW64\ihzshfhv' = '00000000'
Executes the following
  • '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul
Injects code into
the following system processes:
  • %WINDIR%\syswow64\svchost.exe
Modifies file system
Creates the following files
  • %TEMP%\evdblgnb.exe
  • %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
  • from %TEMP%\evdblgnb.exe to %WINDIR%\syswow64\ihzshfhv\evdblgnb.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
  • http://www.google.com/
UDP
  • DNS ASK mi##########m.mail.protection.outlook.com
  • DNS ASK fr##mail.hu
  • DNS ASK fm#.#reemail.hu
  • DNS ASK pa####lemt.com.au
  • DNS ASK fi#####.##raso-4.mailguard.com.au
  • DNS ASK su##eu.de
  • DNS ASK am##.usm.edu.my
  • DNS ASK mx.#####xservicesltd.com
  • DNS ASK jm####ducts.com.cn
  • DNS ASK ka###traz.de
  • DNS ASK se##am.cz
  • DNS ASK mx#.#eznam.cz
  • DNS ASK do###o.ne.jp
  • DNS ASK mf####.docomo.ne.jp
  • DNS ASK am##t.co.cr
  • DNS ASK mx######b3401.pphosted.com
  • DNS ASK ar####rmittal.com
  • DNS ASK mx###.##il.am0.yahoodns.net
  • DNS ASK ya##o.co.uk
  • DNS ASK gm#.net
  • DNS ASK mx##.#mig.gmx.net
  • DNS ASK gm#.de
  • DNS ASK fu####ionoesa.es
  • DNS ASK mx#####.chinaemail.cn
  • DNS ASK iw###ucams.com
  • DNS ASK dn#######edge01.email.rr.com
  • DNS ASK google.com
  • DNS ASK ro###unner.com
  • DNS ASK vi#######mx-gateway.terra.com
  • DNS ASK cl#######e-01.resoleasing.com
  • DNS ASK re###easing.com
  • DNS ASK ma##.telia.com
  • DNS ASK ma#####lter.amnet.co.cr
  • DNS ASK
  • DNS ASK ya##o.com
  • DNS ASK bl##ztip.de
  • DNS ASK wo#####g-krammer.com
  • DNS ASK fa######mx.spamexperts.eu
  • DNS ASK cg##gmbh.de
  • DNS ASK xx#.no
  • DNS ASK pr#######.#mailsecurity.trendmicro.eu
  • DNS ASK he#####ecapitals.com
  • DNS ASK mx##.mail.com
  • DNS ASK ze##ec.de
  • DNS ASK co####enavarra.org
  • DNS ASK ju##y.it
  • DNS ASK la###aradio.it
  • DNS ASK mx.###traradio.it
  • DNS ASK ma###rweb.it
  • DNS ASK in.###estore.net
  • DNS ASK sm####n.libero.it
  • DNS ASK li##ro.it
  • DNS ASK na##.com
  • DNS ASK mx###.##tispameurope.com
  • DNS ASK sc##ab.de
  • DNS ASK lo#######cer-61.consinto.com
  • DNS ASK si###effers.de
  • DNS ASK sm###n.rzone.de
  • DNS ASK cm#b.de
  • DNS ASK te##a.com
  • DNS ASK al###ista.it
  • DNS ASK wo####rths.com.au
  • DNS ASK wr########.mail.protection.outlook.com
  • DNS ASK wr##ley.de
  • DNS ASK c.##.berlitz.eu
  • DNS ASK be##itz.de
  • DNS ASK mx##.#spgateway.de
  • DNS ASK mx#.#eitec.de
  • DNS ASK us#.com
  • DNS ASK ma###1.msk.de
  • DNS ASK il###api.com.tr
  • DNS ASK is##ine.it
  • DNS ASK em###.isisecure.it
  • DNS ASK ho##ail.fr
  • DNS ASK eu#.###.#rotection.outlook.com
  • DNS ASK co##l.com
  • DNS ASK ci##web.de
  • DNS ASK gm##l.com
  • DNS ASK alt1.aspmx.l.google.com
  • DNS ASK alt1.gmail-smtp-in.l.google.com
  • DNS ASK ti###linet.it
  • DNS ASK et###.#ail.tiscali.it
  • DNS ASK we#.de
  • DNS ASK mx###02.web.de
  • DNS ASK po##rweb.de
  • DNS ASK aw####e.itg.ti.com
  • DNS ASK co#####s.rhon.itam.mx
  • DNS ASK un###tcom.it
  • DNS ASK 19#.###.#11.95.cbl.abuseat.org
  • DNS ASK ar###.polito.it
  • DNS ASK hk.####n.herominers.com
  • DNS ASK dc######.emirates.net.ae
  • DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
  • DNS ASK em###tes.net.ae
  • DNS ASK mx###.ngi-net.de
  • DNS ASK 19#.###.#11.95.zen.spamhaus.org
  • DNS ASK 19#.###.#11.95.bl.spamcop.net
  • DNS ASK le###nne.com
  • DNS ASK ho#########.olc.protection.outlook.com
  • DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
  • DNS ASK ho##ail.com
  • DNS ASK 19#.###.211.95.in-addr.arpa
  • DNS ASK ma##.#owerweb.de
  • DNS ASK ma##.parking.se
  • DNS ASK in###l.zdf.de
  • DNS ASK x9##dia.de
  • DNS ASK ci##web.it
  • DNS ASK il##ke.it
  • DNS ASK ti##ali.it
  • DNS ASK ya##o.co.in
  • DNS ASK mx#####.#ail.gm0.yahoodns.net
  • DNS ASK ci###trol.com
  • DNS ASK me##con.de
  • DNS ASK ti###linet.de
  • DNS ASK ma##.medicon.de
  • DNS ASK op###roup.com
  • DNS ASK sm##.#pexgroup.com
  • DNS ASK fa###ebnet.it
  • DNS ASK mx#.##stwebnet.it
  • DNS ASK zd#.de
  • DNS ASK to.##espazio.it
  • DNS ASK jc#.it
  • DNS ASK ar###.sci.univr.it
  • DNS ASK ma##.ulola.com
  • DNS ASK ul##a.com
  • DNS ASK zi#.####as-industries.it
  • DNS ASK va###.#sd.itg.ti.com
  • DNS ASK re####.#ngelika-busch.de
  • DNS ASK an####ka-busch.de
  • DNS ASK ms#.de
  • DNS ASK ch##lo.se
  • DNS ASK co###rcrush.com
  • DNS ASK ASPMX.L.GOOGLE.COM
  • DNS ASK co##trek.no
  • DNS ASK ma##.##rfuvakanties.nl
  • DNS ASK co####akanties.nl
  • DNS ASK ma##.x9media.de
  • DNS ASK st####ohr-gmbh.de
  • DNS ASK mt##.##0.yahoodns.net
Miscellaneous
Creates and executes the following
  • '%WINDIR%\syswow64\ihzshfhv\evdblgnb.exe' /d"<Full path to file>"
  • '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\ihzshfhv\' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\evdblgnb.exe" %WINDIR%\SysWOW64\ihzshfhv\' (with hidden window)
  • '%WINDIR%\syswow64\sc.exe' create ihzshfhv binPath= "%WINDIR%\SysWOW64\ihzshfhv\evdblgnb.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
  • '%WINDIR%\syswow64\sc.exe' description ihzshfhv "wifi internet conection"' (with hidden window)
  • '%WINDIR%\syswow64\sc.exe' start ihzshfhv' (with hidden window)
  • '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\ihzshfhv\
  • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\evdblgnb.exe" %WINDIR%\SysWOW64\ihzshfhv\
  • '%WINDIR%\syswow64\sc.exe' create ihzshfhv binPath= "%WINDIR%\SysWOW64\ihzshfhv\evdblgnb.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
  • '%WINDIR%\syswow64\sc.exe' description ihzshfhv "wifi internet conection"
  • '%WINDIR%\syswow64\sc.exe' start ihzshfhv
  • '%WINDIR%\syswow64\svchost.exe'
  • '%WINDIR%\syswow64\svchost.exe' -a cryptonight-heavy --variant xhv -o hk.haven.herominers.com:10451 -u hvxyDpkRtcZaPBeYaKJ5t1XTwUT5K65EnENUmzZQc57Uhan6owyfqWTaQKAh5EQFUPFDaqbGsmVCdXapddCMPTYU6ZshRESV65.60000 -p x1 -k

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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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.

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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