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Trojan.Siggen9.23330

Added to the Dr.Web virus database: 2020-03-22

Virus description added:

Technical Information

To ensure autorun and distribution
Creates the following services
  • [<HKLM>\System\CurrentControlSet\Services\moybuoak] 'Start' = '00000002'
  • [<HKLM>\System\CurrentControlSet\Services\moybuoak] 'ImagePath' = '%WINDIR%\SysWOW64\moybuoak\qpdftqrj.exe /d"<Full path to file>"'
  • [<HKLM>\SYSTEM\CurrentControlSet\services\moybuoak] 'ImagePath' = '%WINDIR%\SysWOW64\moybuoak\qpdftqrj.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\moybuoak' = '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%\qpdftqrj.exe
  • %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
  • from %TEMP%\qpdftqrj.exe to %WINDIR%\syswow64\moybuoak\qpdftqrj.exe
Deletes itself.
Network activity
Connects to
  • 'mt##.##0.yahoodns.net':25
TCP
HTTP GET requests
  • http://www.google.com/
  • '43.#31.4.7':443
  • 'ne#.pl':25
  • 'sm##.##osteatroa.com':25
  • 'mx#.###.#ailpod3-cph3.one.com':25
  • 'va######.mail.dreamhost.com':25
  • 'ye######.mxmail.netease.com':25
  • 'sm#####.#obiernodecanarias.org':25
  • 'eu####.#entiumsecurity.dk':25
  • 'mx#.#aver.com':25
  • 'ma##.#asda.com.mx':25
  • 'mx.###mfilter.io':25
  • 'mx.##k.gov.pl':25
  • 'mx##.nic.name':25
  • 'ca######.bishopdubourg.org':25
  • 'cn#####.cfe.uber.com':443
  • 'fi#####1524.zerospam.ca':25
  • 'as###.daum.net':25
  • 'mx#.###ercleanmail.com':25
  • 'gmr-smtp-in.l.google.com':25
  • 'mx#.#s4all.nl':25
  • 'mx.##rxnet.pl':25
  • 'mx.##zjanet.pl':25
  • 'mx.###laliant.net':25
  • 'mx#.#btel.com':25
  • 'za######.##il.protection.outlook.com':25
  • 'ALT2.ASPMX.L.GOOGLE.COM':25
  • 'fo####ail.forum.dk':25
  • 'mx.##geco.ca':25
  • 'mx#.mail.ru':25
  • '85.##4.134.88':481
  • 'eu#.###.#rotection.outlook.com':25
  • 'mx###.##il.am0.yahoodns.net':25
  • 'mx.###zta.onet.pl':25
  • 'mi####.bittubeapp.com':13333
  • 'mx#.#anmail.net':25
  • 'ho#########.olc.protection.outlook.com':25
  • 'gmail-smtp-in.l.google.com':25
  • 'ba####.beta-inter.net':25
  • 'mt##.##0.yahoodns.net':25
  • 'mx####.##il.gm0.yahoodns.net':25
  • 'at##.netia.pl':25
  • 'mx##.###us-vadesecure.net':25
  • '78.#1.67.23':417
  • '18#.#65.238.150':417
  • '17#.#.114.177':417
  • '46.#.52.109':417
  • '93.##9.69.109':417
  • '46.#8.66.2':417
  • 'ps.####leasing.com.pl':25
  • 'mx##.##a.mailcore.net':25
  • 'ga##.curry.edu':25
  • 'ASPMX.L.GOOGLE.COM':25
  • 'alt1.aspmx.l.google.com':25
  • 'se#####6.isoft-ng.com':25
  • 'google.com':443
  • 'ma##.#-email.net':25
  • UDP
    • DNS ASK mi##########m.mail.protection.outlook.com
    • DNS ASK ym##l.com
    • DNS ASK ma###.com.mx
    • DNS ASK ma##.#asda.com.mx
    • DNS ASK wo###.##curenetexchange.com
    • DNS ASK ro##k.com
    • DNS ASK po##.#ybercity.dk
    • DNS ASK cu.#om.pl
    • DNS ASK mx#.#viva.pl
    • DNS ASK pa###eiss.com
    • DNS ASK mx######46b01.pphosted.com
    • DNS ASK ho###remail.net
    • DNS ASK ma##.#luetie.com
    • DNS ASK da##net.dk
    • DNS ASK ma###arte.com
    • DNS ASK mx#.###ercleanmail.com
    • DNS ASK ya####.oilfield.slb.com
    • DNS ASK co##ast.net
    • DNS ASK mx#.#omcast.net
    • DNS ASK iw###.#eirdinternet.com
    • DNS ASK ni#.gov.pl
    • DNS ASK mx.##k.gov.pl
    • DNS ASK th###.##racleinternet.com
    • DNS ASK ho####.inet.tele.dk
    • DNS ASK mx.###mfilter.io
    • DNS ASK in####etleaders.com
    • DNS ASK mx##.nic.name
    • DNS ASK fa###ct.name
    • DNS ASK eu####.#entiumsecurity.dk
    • DNS ASK pu###eofgoo.com
    • DNS ASK va######.mail.dreamhost.com
    • DNS ASK li#e.it
    • DNS ASK bo##rken.dk
    • DNS ASK mx#.###.#ailpod3-cph3.one.com
    • DNS ASK no####estern.com
    • DNS ASK ye##.net
    • DNS ASK ye######.mxmail.netease.com
    • DNS ASK na#####.bigfreestuff.com
    • DNS ASK na##r.com
    • DNS ASK mx.###industry.com
    • DNS ASK mx#.#aver.com
    • DNS ASK me######international.com
    • DNS ASK sh#w.ca
    • DNS ASK sm##.##b.shawcable.net
    • DNS ASK hu##ry.com
    • DNS ASK ir#####t2.hungry.com
    • DNS ASK li#e.fr
    • DNS ASK de#####.roadinternet.com
    • DNS ASK vc#.com
    • DNS ASK mx#.##aantech.com
    • DNS ASK cr##na.dk
    • DNS ASK se#####.inboundmx.com
    • DNS ASK go#####odecanarias.org
    • DNS ASK sm#####.#obiernodecanarias.org
    • DNS ASK ps.####leasing.com.pl
    • DNS ASK ck##nc.com
    • DNS ASK sm####.eastlink.ca
    • DNS ASK cl######.us.messagelabs.com
    • DNS ASK do###us.co.uk
    • DNS ASK pp######nd-2.cdscore.com
    • DNS ASK pu#.pl
    • DNS ASK mx.##rxnet.pl
    • DNS ASK bo#.pl
    • DNS ASK mx.##zjanet.pl
    • DNS ASK ns.##mpatico.ca
    • DNS ASK mx.###laliant.net
    • DNS ASK am###ecom.net
    • DNS ASK bb##l.com
    • DNS ASK tu##le.com
    • DNS ASK za##a.pl
    • DNS ASK gc##.com
    • DNS ASK sm##.##tontheweb.com
    • DNS ASK de###zed.com
    • DNS ASK mx##.#indstream.net
    • DNS ASK ad#.#srds.dk
    • DNS ASK ga####nemail.com
    • DNS ASK ma##.#-email.net
    • DNS ASK ki####.pereirazone.com
    • DNS ASK ng###.zapatour.com
    • DNS ASK mx#.#btel.com
    • DNS ASK we####u.jobyour.com
    • DNS ASK za######.##il.protection.outlook.com
    • DNS ASK gmr-smtp-in.l.google.com
    • DNS ASK cu####tersen.net
    • DNS ASK op.pl
    • DNS ASK ca######.bishopdubourg.org
    • DNS ASK cn#####.cfe.uber.com
    • DNS ASK pa##n.com
    • DNS ASK as###.daum.net
    • DNS ASK up##inc.com
    • DNS ASK ma##.#pm-inc.com
    • DNS ASK po###a.wp.pl
    • DNS ASK ya##o.de
    • DNS ASK vi###tron.ca
    • DNS ASK mx.##deotron.ca
    • DNS ASK dr###net.com
    • DNS ASK bi####dubourg.org
    • DNS ASK ad##s.pl
    • DNS ASK ju###post.dk
    • DNS ASK pa##m.com
    • DNS ASK xs##ll.nl
    • DNS ASK mx#.#s4all.nl
    • DNS ASK ma#l.dk
    • DNS ASK fp##.mail.dk
    • DNS ASK dm####poasesor.com
    • DNS ASK lu###tica.com
    • DNS ASK cl######.eu.messagelabs.com
    • DNS ASK ju###mail.dk
    • DNS ASK ns###dustry.com
    • DNS ASK km#.##czta.onet.pl
    • DNS ASK ru#####.wealthinternet.com
    • DNS ASK zu###.yournow.com
    • DNS ASK mx##.#xt.att.net
    • DNS ASK tx#.att.net
    • DNS ASK ge##net.dk
    • DNS ASK mx##.##tzenitmail.dk
    • DNS ASK wo#####eevacations.com
    • DNS ASK vi##ilio.it
    • DNS ASK sm####n.virgilio.it
    • DNS ASK ho##ail.de
    • DNS ASK al###is.com.pl
    • DNS ASK on#t.pl
    • DNS ASK ya##o.com
    • DNS ASK bl##mail.dk
    • DNS ASK gm##l.com
    • DNS ASK fr###3.onet.pl
    • DNS ASK mt##.##0.yahoodns.net
    • DNS ASK ea###link.net
    • DNS ASK mx##.###us-vadesecure.net
    • DNS ASK ne##a.pl
    • DNS ASK at##.netia.pl
    • DNS ASK po######tems.rockwell.com
    • DNS ASK tr#####r.stratus.com
    • DNS ASK na##.com
    • DNS ASK mx#.#ate.com
    • DNS ASK st##anet.dk
    • DNS ASK cs.com
    • DNS ASK mx####.##il.gm0.yahoodns.net
    • DNS ASK co###serve.com
    • DNS ASK gmail-smtp-in.l.google.com
    • DNS ASK mx######91d01.pphosted.com
    • DNS ASK mx####1.stofanet.dk
    • DNS ASK po###a.onet.pl
    • DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
    • DNS ASK mx.###zta.onet.pl
    • DNS ASK 19#.###.#11.95.bl.spamcop.net
    • DNS ASK ha##ail.net
    • DNS ASK 19#.###.#11.95.zen.spamhaus.org
    • DNS ASK mx#.#anmail.net
    • DNS ASK ya##o.it
    • DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
    • DNS ASK mx###.##il.am0.yahoodns.net
    • DNS ASK ho##ail.fr
    • DNS ASK 19#.###.211.95.in-addr.arpa
    • DNS ASK eu#.###.#rotection.outlook.com
    • DNS ASK 19#.###.#11.95.cbl.abuseat.org
    • DNS ASK mx###03.web.de
    • DNS ASK wp.pl
    • DNS ASK mx.#p.pl
    • DNS ASK nt##.com
    • DNS ASK mx#######f01.gslb.pphosted.com
    • DNS ASK ho##ail.com
    • DNS ASK ho#########.olc.protection.outlook.com
    • DNS ASK pa###amas.dk
    • DNS ASK mi####.bittubeapp.com
    • DNS ASK be###outh.com
    • DNS ASK we#.de
    • DNS ASK ci##ria.dk
    • DNS ASK fi#####1524.zerospam.ca
    • DNS ASK br####asing.com.pl
    • DNS ASK in##.com
    • DNS ASK li#t.ru
    • DNS ASK mx#.mail.ru
    • DNS ASK we##peed.dk
    • DNS ASK fp#.mail.dk
    • DNS ASK di##old.com
    • DNS ASK mx#######e01.gslb.pphosted.com
    • DNS ASK xi###.ourzaps.com
    • DNS ASK im##e.dk
    • DNS ASK ya###.com.mx
    • DNS ASK ms#.dk
    • DNS ASK de##ld.com
    • DNS ASK na##s.jp
    • DNS ASK mx#.###ckbaud.iphmx.com
    • DNS ASK fo####ail.forum.dk
    • DNS ASK 12###master.de
    • DNS ASK ALT2.ASPMX.L.GOOGLE.COM
    • DNS ASK pi##.com
    • DNS ASK za###urmet.com
    • DNS ASK ad###eatroa.com
    • DNS ASK sm##.##osteatroa.com
    • DNS ASK 12#.at
    • DNS ASK ma##.12x.at
    • DNS ASK et###stry.com
    • DNS ASK ba####.beta-inter.net
    • DNS ASK fo##m.dk
    • DNS ASK mx#.#itnet.dk
    • DNS ASK mx.##geco.ca
    • DNS ASK co##co.ca
    • DNS ASK google.com
    • DNS ASK fr###.ruc.dk
    • DNS ASK co###ist.com
    • DNS ASK so#.dk
    • DNS ASK mx##.##a.mailcore.net
    • DNS ASK cu##y.edu
    • DNS ASK ga##.curry.edu
    • DNS ASK ca####arnival.com
    • DNS ASK ma###rcard.com
    • DNS ASK mx#######002.gslb.pphosted.com
    • DNS ASK mx#######201.gslb.pphosted.com
    • DNS ASK te##nor.com
    • DNS ASK ne#.pl
    • DNS ASK ex##te.com
    • DNS ASK ma#######xcite.roc2.bluetie.com
    • DNS ASK lu###u-el.dk
    • DNS ASK na###-fr.net
    • DNS ASK ASPMX.L.GOOGLE.COM
    • DNS ASK ms##.com
    • DNS ASK alt1.aspmx.l.google.com
    • DNS ASK ho###.inet.tele.dk
    • DNS ASK sn####utions.net
    • DNS ASK se#####6.isoft-ng.com
    • DNS ASK tn#####gw-01.telenor.no
    • DNS ASK of#r.dk
    • DNS ASK wa##art.com
    • DNS ASK ma##.cimbria.dk
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\syswow64\moybuoak\qpdftqrj.exe' /d"<Full path to file>"
    • '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\moybuoak\' (with hidden window)
    • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\qpdftqrj.exe" %WINDIR%\SysWOW64\moybuoak\' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' create moybuoak binPath= "%WINDIR%\SysWOW64\moybuoak\qpdftqrj.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' description moybuoak "wifi internet conection"' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' start moybuoak' (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\moybuoak\
    • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\qpdftqrj.exe" %WINDIR%\SysWOW64\moybuoak\
    • '%WINDIR%\syswow64\sc.exe' create moybuoak binPath= "%WINDIR%\SysWOW64\moybuoak\qpdftqrj.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
    • '%WINDIR%\syswow64\sc.exe' description moybuoak "wifi internet conection"
    • '%WINDIR%\syswow64\sc.exe' start moybuoak
    • '%WINDIR%\syswow64\svchost.exe'
    • '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs3GJeLpK9P2RqEpCXWpirL9u7wrGwoPmTJTemNtc7QpSTE24ybGdgtBmXSxhkTitLPyRh8sVz7qmM9TYnhXoZ6G1kARcnhMT.60000 -p x -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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    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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