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BackDoor.Bulknet.1349

Added to the Dr.Web virus database: 2014-01-28

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'towywehygsoh' = '%HOMEPATH%\towywehygsoh.exe'
Modifies file system :
Creates the following files:
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\Preferred
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\a3ab27e3-b1a5-4108-b375-21c1185289d3
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\11fd34f2-f5fe-4e69-a3bc-46a59a5c36b0
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\5fe25fa2-0b8d-4619-9fc8-5bd492a11c12
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\nasz-sklep[1].htm
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sortedorganizing[1].htm
  • %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-2052111302-484763869-725345543-1003\ec702f375e1b12d218f67ab9ef19ca23_23ef5514-3059-436f-a4a7-4cefaab20eb1
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\e7c1d48b-a798-42e8-969a-90870709fd29
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\3048aa71-aa10-4dfa-a377-47b95fc1b7f1
  • %HOMEPATH%\towywehygsoh.exe
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\35b5577d-042c-469a-9542-5f9488d235c1
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\2bb41762-ad50-42e9-bdb8-b819f942d42c
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\cbd344db-a4f9-4d7f-8e5c-7aed93eaf858
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\effaa6ed-826a-47a0-acd1-6d9dc20c5f8a
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\nasz-sklep[1].htm
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sortedorganizing[1].htm
Network activity:
Connects to:
  • 'so#####rganizing.com':80
  • 'na###sklep.pl':80
  • 'sm##.live.com':25
  • '67.##5.160.76':25
UDP:
  • DNS ASK li####ist-uk.com
  • DNS ASK me###orti.com
  • DNS ASK ca#####citytuxedo.com
  • DNS ASK ae##ora.com
  • DNS ASK na####ecurtiss.com
  • DNS ASK pe#c.ca
  • DNS ASK pc##ds.com
  • DNS ASK xi###group.com
  • DNS ASK ar#####turadigital.com
  • DNS ASK e-###ami.com
  • DNS ASK nd####nementiel.com
  • DNS ASK as#.co.jp
  • DNS ASK su###france.com
  • DNS ASK ma####grp-spb.ru
  • DNS ASK ar##for.com
  • DNS ASK as###isk.com.sg
  • DNS ASK au####ce-web.net
  • DNS ASK ch####atecovers.com
  • DNS ASK pa###ball.be
  • DNS ASK au##ma.it
  • DNS ASK ac#####oambiente.com
  • DNS ASK ma#####siecologia.com
  • DNS ASK sh###zil.com
  • DNS ASK ha####ltimedia.com
  • DNS ASK te###avis.com
  • DNS ASK my####center.com
  • DNS ASK pl#s.ba
  • DNS ASK di##d.com
  • DNS ASK ik##s.fr
  • DNS ASK fa#####hofamerica.com
  • DNS ASK ma###-man.com
  • DNS ASK lo###tic.com
  • DNS ASK wo#####dhillwinery.com
  • DNS ASK to#####rthcare.com.au
  • DNS ASK ro####how.com.au
  • DNS ASK el###rno.com
  • DNS ASK au#####ica-travel.com
  • DNS ASK e-###rming.com
  • DNS ASK ch####supplies.net
  • DNS ASK cg###ngland.com
  • DNS ASK br####arm.com.au
  • DNS ASK mi####io-teatras.lt
  • DNS ASK fl####adoubled.com
  • DNS ASK ac###ctory.net
  • DNS ASK im###.com.pl
  • DNS ASK si####etalsinc.com
  • DNS ASK sp##i.org
  • DNS ASK bi#####sbeefjerky.com
  • DNS ASK pb##.com
  • DNS ASK sh###ales.co.uk
  • DNS ASK nu###ech.com
  • DNS ASK to###nmeuse.com
  • DNS ASK ts#.org
  • DNS ASK ss#####ginggroup.com
  • DNS ASK sh#####teexpress.com
  • DNS ASK sa####connection.ca
  • DNS ASK wi#####emarketing.com
  • DNS ASK th#####ldsongroup.com
  • DNS ASK le###ridica.com
  • DNS ASK su###le.co.jp
  • DNS ASK au####ansurfing.at
  • DNS ASK ma####.us2.mcsv.net
  • DNS ASK ni###.com.cn
  • DNS ASK sc##edel.it
  • DNS ASK is####arnataka.org
  • DNS ASK fi###ara.com
  • DNS ASK up###on89.com
  • DNS ASK ge###ermusa.com
  • DNS ASK ma####ntralaya.com
  • DNS ASK be#####aelcenter.org
  • DNS ASK mi###stga.com
  • DNS ASK so####oncorp.com
  • DNS ASK op###er.com.au
  • DNS ASK me###ies.org
  • DNS ASK na####ictures.com
  • DNS ASK sa###david.com
  • DNS ASK sk###r.com.pl
  • DNS ASK sh###yspizza.ph
  • DNS ASK te####g-video.com
  • DNS ASK d-##b.net
  • DNS ASK he###mare.nl
  • DNS ASK re####eretreat.com
  • DNS ASK ra######ckwarehouse.com.au
  • DNS ASK sc####inpeach.com
  • DNS ASK ca###choice.org
  • DNS ASK ap###farm.org
  • DNS ASK ry###chi-jp.com
  • DNS ASK fl###ercorp.com
  • DNS ASK ma####grimes.co.uk
  • DNS ASK ch###scope.com
  • DNS ASK mo#####-vacaciones.com
  • DNS ASK tu####-saitama.com
  • DNS ASK ms##ys.com
  • DNS ASK ur##asu.net
  • DNS ASK sz###tufi.com
  • DNS ASK st###tives.org
  • DNS ASK at#####hnologies.com
  • DNS ASK ka###hal.com
  • DNS ASK ma###chn.com
  • DNS ASK zi####rbatului.ro
  • DNS ASK pe####sion.co.in
  • DNS ASK or####networks.net
  • DNS ASK ck###obal.net
  • DNS ASK bu####ss-edge.com
  • DNS ASK ka####okuren.com
  • DNS ASK x-#####ommunications.de
  • DNS ASK ix###ctor.com
  • DNS ASK un#####arthgroup.com
  • DNS ASK ka##it.com
  • DNS ASK to###ipe.com
  • DNS ASK to####sondesign.com
  • DNS ASK fa##ses.com
  • DNS ASK ga###marine.com
  • DNS ASK bo####ydesign.com
  • DNS ASK st####ennygames.com
  • DNS ASK fa###nonline.de
  • DNS ASK sm##.#ompuserve.com
  • DNS ASK th######inghouseltd.co.uk
  • DNS ASK en####odrigo.com.br
  • DNS ASK te##ole.com
  • DNS ASK eg##.net
  • DNS ASK xu###iao.com
  • DNS ASK et###les.com
  • DNS ASK ho##u.com
  • DNS ASK be#####odmetalworks.com
  • DNS ASK no##-k.com
  • DNS ASK www.tr###rush.com
  • DNS ASK ma##.#irmail.net
  • DNS ASK is#####ltarim.com.tr
  • DNS ASK ga######onlinemagazine.com
  • DNS ASK cs##c.org
  • DNS ASK ad####ivechat.us
  • DNS ASK vi####agamba.com
  • DNS ASK ws#####rontheweb.com
  • DNS ASK sm##.###global.yahoo.com
  • DNS ASK sm##.#ail.yahoo.com
  • DNS ASK sm##.live.com
  • DNS ASK gl###otels.com
  • DNS ASK na###sklep.pl
  • DNS ASK so#####rganizing.com
  • DNS ASK em###dalia.com
  • DNS ASK ku###ci.or.jp
  • DNS ASK ca####eonline.com
  • DNS ASK fu###o-lab.com
  • DNS ASK hi##ken.com
  • DNS ASK ch###eative.com
  • DNS ASK ez##di.com
  • DNS ASK sm##.#irectcon.net
  • DNS ASK ac###nvestor.ca
  • DNS ASK ag#####des-druides.com
  • DNS ASK br###ndia.com
  • DNS ASK ta##i.com
  • DNS ASK sa##s.net
  • DNS ASK ai##.co.nz
  • DNS ASK di##ro.se
  • DNS ASK al###wared.com
  • DNS ASK sd#p.ie
  • DNS ASK mo###ophoto.com
  • DNS ASK re####efield.co.uk
  • DNS ASK aj##.net
  • DNS ASK gr###train.coop
  • DNS ASK je###atz.com
  • DNS ASK vi##lur.by
  • DNS ASK wl#.##uisiana.gov
  • DNS ASK ro#####cintyre.com.au
  • DNS ASK va###ardpkg.com
  • DNS ASK es####-hotelier.com
  • DNS ASK ka####ka.vic.edu.au
  • DNS ASK mi###ech.net
  • DNS ASK co####permarkt.nl
  • DNS ASK le####shipforum.us
  • DNS ASK do####ntasies.com
  • DNS ASK re##soft.ru
  • DNS ASK lo###rlookz.com
  • DNS ASK cb####nting.com.au
  • DNS ASK ur####aproject.com
  • DNS ASK fr#####ckallergy.com
  • DNS ASK be#####rebusiness.org
  • DNS ASK gu###man.com.br
  • DNS ASK eu##sia.it
  • DNS ASK av###-ime.com
  • DNS ASK ya###oto-sr.com
  • DNS ASK ge###r.gen.tr
  • DNS ASK th####ofhair.com
  • DNS ASK pa##tow.com
  • DNS ASK yo###omla.com
  • DNS ASK ch####ybarry.com
  • DNS ASK ch####clothes.com
  • DNS ASK se##door.pl
  • DNS ASK ze###et.co.jp
  • DNS ASK ko###-sa.com
  • DNS ASK sl##go.org
  • DNS ASK se###co-ind.com
  • DNS ASK an###ervice.com
  • DNS ASK d4###edia.com
  • DNS ASK ba######ramsevatrust.org
  • DNS ASK sg###nting.ca
  • DNS ASK th###tospas.com
  • DNS ASK ac#####ificrepairs.com
  • DNS ASK ar###2aa.org
  • DNS ASK ti###urkey.com
  • DNS ASK ct###rocess.org
  • DNS ASK is##h.com
  • DNS ASK co#.#ku.edu.cn
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'

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