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Trojan.DownLoader30.31806

Added to the Dr.Web virus database: 2019-10-29

Virus description added:

Technical Information

To ensure autorun and distribution
Creates the following services
  • [<HKLM>\System\CurrentControlSet\Services\dlrppyfc] 'Start' = '00000002'
  • [<HKLM>\System\CurrentControlSet\Services\dlrppyfc] 'ImagePath' = '<SYSTEM32>\dlrppyfc\qvfaugdf.exe /d"<Full path to file>"'
  • [<HKLM>\SYSTEM\CurrentControlSet\services\dlrppyfc] 'ImagePath' = '<SYSTEM32>\dlrppyfc\qvfaugdf.exe'
Malicious functions
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
Modifies file system
Creates the following files
  • %TEMP%\qvfaugdf.exe
  • C:\documents and settings\localservice:.repos
Moves the following files
  • from %TEMP%\qvfaugdf.exe to <SYSTEM32>\dlrppyfc\qvfaugdf.exe
Deletes itself.
Network activity
TCP
HTTP GET requests
  • http://www.google.com/
UDP
  • DNS ASK mi##########m.mail.protection.outlook.com
  • DNS ASK gmail-smtp-in.l.google.com
  • DNS ASK mu###b.co.ae
  • DNS ASK me##ato.ae
  • DNS ASK me########.mail.protection.outlook.com
  • DNS ASK ex##te.com
  • DNS ASK ma#######xcite.roc2.bluetie.com
  • DNS ASK pl###tfair.com
  • DNS ASK al####tamani.co.ae
  • DNS ASK gm##l.com
  • DNS ASK mx#.##anetfair.com
  • DNS ASK alt1.aspmx.l.google.com
  • DNS ASK ma###.mclink.it
  • DNS ASK so###ractors.it
  • DNS ASK pp######02.25-151.libero.it
  • DNS ASK gr####ivantini.it
  • DNS ASK zu##u.it
  • DNS ASK hm##y.it
  • DNS ASK tz##nes.net
  • DNS ASK pa##r.ae
  • DNS ASK ma###.bancosta.it
  • DNS ASK ba##osta.it
  • DNS ASK mx#######201.gslb.pphosted.com
  • DNS ASK pe##########ae.mail.protection.outlook.com
  • DNS ASK sk##2.com
  • DNS ASK ei#.ae
  • DNS ASK dc######.emirates.net.ae
  • DNS ASK pa###nergy.ae
  • DNS ASK er###.gov.ae
  • DNS ASK an###llanet.com
  • DNS ASK mx.#im.it
  • DNS ASK mx##.#pcmail.net
  • DNS ASK di###t.co.ae
  • DNS ASK ho#########.olc.protection.outlook.com
  • DNS ASK ib#.com
  • DNS ASK mx######b2d01.pphosted.com
  • DNS ASK ve##zon.net
  • DNS ASK mx####.##il.gm0.yahoodns.net
  • DNS ASK wa###art.com
  • DNS ASK du##b.ae
  • DNS ASK eu#######nbound-1.mimecast.com
  • DNS ASK ho##ail.com
  • DNS ASK sm##.sba.net.ae
  • DNS ASK wa###grant.com
  • DNS ASK mu##.jhu.edu
  • DNS ASK li###rtz.com
  • DNS ASK li###enton.edu
  • DNS ASK pa####inless.com
  • DNS ASK qq.com
  • DNS ASK mx#.qq.com
  • DNS ASK bo#.com.br
  • DNS ASK mt##.##0.yahoodns.net
  • DNS ASK mx#.#ol.com.br
  • DNS ASK ho###il.co.jp
  • DNS ASK mx##.1and1.com
  • DNS ASK mx#.##ailsrvr.com
  • DNS ASK mc####eschools.org
  • DNS ASK of####readynola.com
  • DNS ASK ho##ail.fr
  • DNS ASK eu#.###.#rotection.outlook.com
  • DNS ASK li#e.at
  • DNS ASK ma###irkle.com
  • DNS ASK ya##o.com
  • DNS ASK mo#####smobaracca.com
  • DNS ASK sm##.toffs.com
  • DNS ASK to##s.com
  • DNS ASK mx####.##il.am0.yahoodns.net
  • DNS ASK mo##vate.ae
  • DNS ASK cl######.eu.messagelabs.com
  • DNS ASK ce###ryair.com
  • DNS ASK mx#.##tsolmail.net
  • DNS ASK la###eadu.ca
  • DNS ASK ad##tco.ae
  • DNS ASK bl######y.adnatcongsco.ae
  • DNS ASK st####rdalumni.org
  • DNS ASK br###ols6.com
  • DNS ASK alt2.aspmx.l.google.com
  • DNS ASK re##mail.es
  • DNS ASK mx##.1and1.es
  • DNS ASK li#e.ca
  • DNS ASK na#.###.#rotection.outlook.com
  • DNS ASK tr###tindia.com
  • DNS ASK tr###ntity.com
  • DNS ASK uw#.ac.za
  • DNS ASK ti#.it
  • DNS ASK we###rker.com
  • DNS ASK pe###fac.co.ae
  • DNS ASK si###gency.com
  • DNS ASK im####.emirates.net.ae
  • DNS ASK ep##dxb.ae
  • DNS ASK ma##.##centralcu.org
  • DNS ASK ua#.gov.ae
  • DNS ASK de##.gov.ae
  • DNS ASK mx#.#ewa.gov.ae
  • DNS ASK li###ily.hk.com
  • DNS ASK ma##.##family.hk.com
  • DNS ASK ma##.netbeat.de
  • DNS ASK mi#.co.ae
  • DNS ASK sk###c.co.ae
  • DNS ASK co##ast.net
  • DNS ASK ch##.org
  • DNS ASK ks###ane.org
  • DNS ASK as#.##flexion.net
  • DNS ASK du#####avenonearth.com
  • DNS ASK sp######.managemyserver.co
  • DNS ASK em###t.co.ae
  • DNS ASK mx#.#omcast.net
  • DNS ASK li##.net
  • DNS ASK mx##.###lspamprotection.com
  • DNS ASK br##ny.it
  • DNS ASK vi#####br-mx.terra.com
  • DNS ASK tr###tmedia.ae
  • DNS ASK ua##.ac.ae
  • DNS ASK ua########.mail.protection.outlook.com
  • DNS ASK li##ro.it
  • DNS ASK sm####n.libero.it
  • DNS ASK st###gnet.org
  • DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
  • DNS ASK nw###.#x.esu.k12.oh.us
  • DNS ASK ny#.edu
  • DNS ASK 19#.###.211.95.in-addr.arpa
  • DNS ASK 19#.###.#11.95.bl.spamcop.net
  • DNS ASK dr###com.com
  • DNS ASK 19#.###.#11.95.zen.spamhaus.org
  • DNS ASK pp######nd-2.cdscore.com
  • DNS ASK mu###ipio.re.it
  • DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
  • DNS ASK 19#.###.#11.95.cbl.abuseat.org
  • DNS ASK po###.comune.re.it
  • DNS ASK te###.com.br
  • DNS ASK mx#######a01.gslb.pphosted.com
  • DNS ASK pr##edi.com
  • DNS ASK ch######arketbaskets.com
  • DNS ASK sm#.ae
  • DNS ASK et###.#ail.tiscali.it
  • DNS ASK ma######way01.yourcloud.ae
  • DNS ASK nw##a.org
  • DNS ASK ma##.co.ae
  • DNS ASK be#o.ae
  • DNS ASK gw####.fortimail.com
  • DNS ASK ti###linet.it
  • DNS ASK mx#.#anmail.net
  • DNS ASK ri###rsound.com
  • DNS ASK dp#.ae
  • DNS ASK vs#.sk
  • DNS ASK da##omp.it
  • DNS ASK ma##.dalcomp.it
  • DNS ASK si###.com.gt
  • DNS ASK google.com
  • DNS ASK ip#.co.ae
  • DNS ASK to###ngroup.ae
  • DNS ASK ri###rsp.com
  • DNS ASK az###tralcu.org
  • DNS ASK mx####r.wedos.net
  • DNS ASK te##data.ae
  • DNS ASK ha##ail.net
  • DNS ASK ma###.#lrostamani.ae
  • DNS ASK la####school.co.ae
  • DNS ASK ag###sys.co.ae
  • DNS ASK em###tes.net.ae
  • DNS ASK ac######.emirates.net.ae
  • DNS ASK sb###obal.net
  • DNS ASK ff######x-vip2.prodigy.net
  • DNS ASK bl####nder.co.uk
  • DNS ASK ti##ali.it
  • DNS ASK mx.##.##mail.iss.as9143.net
  • DNS ASK d1######.#ss.barracudanetworks.com
  • DNS ASK ho##ail.sg
  • DNS ASK ap#.###.#rotection.outlook.com
  • DNS ASK us##a.com
  • DNS ASK pe###mania.com
  • DNS ASK mx.##ission.com
  • DNS ASK aspmx.l.google.com
  • DNS ASK lm#.co.ae
  • DNS ASK wc##.org
  • DNS ASK al###tamani.ae
  • DNS ASK po####biastucane.it
  • DNS ASK pu######licypartners.com
Miscellaneous
Creates and executes the following
  • '<SYSTEM32>\dlrppyfc\qvfaugdf.exe' /d"<Full path to file>"
  • '<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\dlrppyfc\' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\qvfaugdf.exe" <SYSTEM32>\dlrppyfc\' (with hidden window)
  • '<SYSTEM32>\sc.exe' create dlrppyfc binPath= "<SYSTEM32>\dlrppyfc\qvfaugdf.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
  • '<SYSTEM32>\sc.exe' description dlrppyfc "wifi internet conection"' (with hidden window)
  • '<SYSTEM32>\sc.exe' start dlrppyfc' (with hidden window)
Executes the following
  • '<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\dlrppyfc\
  • '<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\qvfaugdf.exe" <SYSTEM32>\dlrppyfc\
  • '<SYSTEM32>\sc.exe' create dlrppyfc binPath= "<SYSTEM32>\dlrppyfc\qvfaugdf.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
  • '<SYSTEM32>\sc.exe' description dlrppyfc "wifi internet conection"
  • '<SYSTEM32>\sc.exe' start dlrppyfc
  • '<SYSTEM32>\svchost.exe'

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