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BackDoor.Bulknet.1135

Added to the Dr.Web virus database: 2013-09-10

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pesyvazqonyr' = '%HOMEPATH%\pesyvazqonyr.exe'
Modifies file system :
Creates the following files:
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\caf1ae83-d6b4-4387-943a-2e2bd9da8a45
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\da20d0b8-dfe4-4177-8327-2ac530ebcd1d
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\78567809-fc37-4410-86fb-b39d7d0dbc4e
  • %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\Preferred
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\ffdbac36-1997-46f1-b147-48b69b95e2f7
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\739fc87e-ec4a-447a-bca2-d7bf9a9e8613
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\37e993ae-a1ed-4d3a-85ed-ebe14629d4a8
  • %HOMEPATH%\pesyvazqonyr.exe
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\2bd4b967-b6b0-4bea-88fc-f97de26c0e21
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\445c011d-ce80-4bd3-b30f-6241525e6f44
  • %APPDATA%\Microsoft\Protect\S-1-5-21-2052111302-484763869-725345543-1003\2a073e7b-0607-4778-b45a-b3aaf5edf84a
Network activity:
Connects to:
  • '67.##5.160.76':25
  • 'sm##.live.com':25
UDP:
  • DNS ASK av##ay.com
  • DNS ASK sa####connection.ca
  • DNS ASK al###wared.com
  • DNS ASK sa##y.com
  • DNS ASK ro#####cintyre.com.au
  • DNS ASK mi###stga.com
  • DNS ASK se###co-ind.com
  • DNS ASK ik##s.fr
  • DNS ASK ae##ora.com
  • DNS ASK fr#####high.school.nz
  • DNS ASK te##ole.com
  • DNS ASK e-###rming.com
  • DNS ASK gl###otels.com
  • DNS ASK di##ro.se
  • DNS ASK so####oncorp.com
  • DNS ASK na####ictures.com
  • DNS ASK is#####ltarim.com.tr
  • DNS ASK ch####clothes.com
  • DNS ASK gr###web.net
  • DNS ASK gj#.com.pl
  • DNS ASK na###ngcw.com
  • DNS ASK te###avis.com
  • DNS ASK wo#####dhillwinery.com
  • DNS ASK ko###-sa.com
  • DNS ASK ge###r.gen.tr
  • DNS ASK vb##z.com
  • DNS ASK sc##edel.it
  • DNS ASK e-###ami.com
  • DNS ASK co###rprint.nl
  • DNS ASK mi####io-teatras.lt
  • DNS ASK au####ansurfing.at
  • DNS ASK eg##.net
  • DNS ASK bu####ss-edge.com
  • DNS ASK br####nternet.nl
  • DNS ASK ac###a.com.br
  • DNS ASK sk###r.com.pl
  • DNS ASK br####arm.com.au
  • DNS ASK gc##cpa.com
  • DNS ASK ru###eberg.com
  • DNS ASK wi#####emarketing.com
  • DNS ASK et###les.com
  • DNS ASK go####rk-moossee.ch
  • DNS ASK ni###.com.cn
  • DNS ASK ey###oup.com
  • DNS ASK ta##i.com
  • DNS ASK sh#####teexpress.com
  • DNS ASK ho##u.com
  • DNS ASK or####networks.net
  • DNS ASK pr######nsolutionsky.com
  • DNS ASK xi###group.com
  • DNS ASK fl####adoubled.com
  • DNS ASK bu####llmedia.com
  • DNS ASK le####shipforum.us
  • DNS ASK bo#r.cz
  • DNS ASK ca####eonline.com
  • DNS ASK do##sf.com
  • DNS ASK an###ervice.com
  • DNS ASK so#####rganizing.com
  • DNS ASK nu###ech.com
  • DNS ASK ja#####sallamerican.com
  • DNS ASK ul##dsu.org
  • DNS ASK bi#####ultimedia.com
  • DNS ASK sz##tka.com
  • DNS ASK to###ipe.com
  • DNS ASK xu###iao.com
  • DNS ASK ez##di.com
  • DNS ASK ge####isions.com
  • DNS ASK bo####ydesign.com
  • DNS ASK ni####ictionary.com
  • DNS ASK ct###rocess.org
  • DNS ASK al####ousehotel.com
  • DNS ASK mo###ophoto.com
  • DNS ASK es####-hotelier.com
  • DNS ASK ho###hd.com.br
  • DNS ASK sm##.#ompuserve.com
  • DNS ASK 4p##p.com
  • DNS ASK en####odrigo.com.br
  • DNS ASK ac#####ificrepairs.com
  • DNS ASK gu###man.com.br
  • DNS ASK ma####grp-spb.ru
  • DNS ASK th######inghouseltd.co.uk
  • DNS ASK ch###eative.com
  • DNS ASK hi###nwiese.de
  • DNS ASK ar#####turadigital.com
  • DNS ASK ap###farm.org
  • DNS ASK re####eretreat.com
  • DNS ASK ka###hal.com
  • DNS ASK as###isk.com.sg
  • DNS ASK is####arnataka.org
  • DNS ASK s2#.fr
  • DNS ASK ma##.#irmail.net
  • DNS ASK un###.edu.bo
  • DNS ASK ma#####siecologia.com
  • DNS ASK sm##.#ail.yahoo.com
  • DNS ASK sm##.live.com
  • DNS ASK sm##.#irectcon.net
  • DNS ASK sm##.###global.yahoo.com
  • DNS ASK pa###enna.com
  • DNS ASK e-###ukyaku.com
  • DNS ASK th###rgery.com
  • DNS ASK ma####grimes.co.uk
  • DNS ASK aj##.net
  • DNS ASK va###ardpkg.com
  • DNS ASK nd####nementiel.com
  • DNS ASK c2##du.com
  • DNS ASK fl###ercorp.com
  • DNS ASK yo###omla.com
  • DNS ASK ba######ramsevatrust.org
  • DNS ASK lo###tic.com
  • DNS ASK ch###scope.com
  • DNS ASK to####sondesign.com
  • DNS ASK re###dhits.com
  • DNS ASK ib##.com.br
  • DNS ASK ix###ctor.com
  • DNS ASK ne#####xininstitute.com
  • DNS ASK ma####ntralaya.com
  • DNS ASK cb####nting.com.au
  • DNS ASK be#####aelcenter.org
  • DNS ASK bi#####sbeefjerky.com
  • DNS ASK el###rno.com
  • DNS ASK sh###zil.com
  • DNS ASK kr###haus.com
  • DNS ASK ws#####rontheweb.com
  • DNS ASK zi####rbatului.ro
  • DNS ASK op###er.com.au
  • DNS ASK vi####agamba.com
  • DNS ASK ro###eli.com
  • DNS ASK do####ntasies.com
  • DNS ASK au#####ica-travel.com
  • DNS ASK ma####.us2.mcsv.net
  • DNS ASK ia###obal.or.id
  • DNS ASK al######ive-aquitaine.co.uk
  • DNS ASK cs##c.org
  • DNS ASK ar####esajandek.hu
  • DNS ASK st####ennygames.com
  • DNS ASK ag#####des-druides.com
  • DNS ASK is##h.com
  • DNS ASK sc####inpeach.com
  • DNS ASK eu##sia.it
  • DNS ASK tu####-saitama.com
  • DNS ASK st###edia.ca
  • DNS ASK ar##for.com
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