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Backdoor.Alizer.135

Added to the Dr.Web virus database: 2014-10-13

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows System Audio Driver' = '"%WINDIR%\audio32hd.exe"'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\services\IKEEXT] 'Start' = '00000002'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
blocks the following features:
  • User Account Control (UAC)
Creates and executes the following:
  • '%APPDATA%\Roaming\WUD32Host.exe'
  • '%WINDIR%\audio32hd.exe'
Executes the following:
  • '<SYSTEM32>\conhost.exe' advfirewall set allprofiles state off
  • '<SYSTEM32>\svchost.exe' -k NetworkServiceNetworkRestricted
  • '<SYSTEM32>\netsh.exe' Firewall set opmode disable
Modifies file system :
Creates the following files:
  • %APPDATA%\Roaming\WUD32Host.exe
  • %WINDIR%\audio32hd.exe
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\Roaming\WUD32Host.exe
  • %WINDIR%\audio32hd.exe
Network activity:
Connects to:
  • '43######.techgoodness.org':80
  • '43#####9.bounceme.net':80
  • '43######.endlessconference.com':80
  • '43######.death-by-monkeys.com':80
  • '43####69.no-ip.biz':80
  • '43####69.funkar.nu':80
  • '43######.servecounterstrike.com':80
  • '43#####9.goofyspeak.com':80
  • '43#####9.servemp3.com':80
  • '43####69.hopto.org':80
  • '43#####9.surlenet.be':80
  • '43######.jlengineering.se':80
  • '43#####9.vaughngass.com':80
  • '43#####9.drreading.us':80
  • '43#####9.serveftp.com':80
  • '43####69.sytes.net':80
  • '43#####9.fin-tech.com':80
  • '43####69.framed.net':80
  • '43####69.home.kg':80
  • '43######.amproliability.com':80
  • '43#####9.tnebldc.org':80
  • '43####69.zapto.org':80
  • '43####69.devi1.net':80
  • '43#####9.yngling.com':80
  • '43####69.carys.org':80
  • '43####69.4twenty.us':80
  • '43######.fulltimevillain.net':80
  • '43####69.myftp.biz':80
  • '43#####9.gigaportal.pl':80
  • '43#####9.servebeer.com':80
  • '43#####9.unibutton.com':80
  • '43######.embeddedonline.org':80
  • '62######7.kevinbradley.org':80
  • '43##1369.ru':80
  • 'localhost':5357
  • '43#####9.etherbyte.com':80
  • '43####69.rltk.org':80
  • '62#####37.wolmerica.com':80
  • '62#####37.serveblog.net':80
  • '62####637.contem.bz':80
  • '62#######.computersforpeace.net':80
  • '62####637.no-ip.org':80
  • '62####637.kein.hk':80
  • '62####637.myvnc.com':80
  • '43#####9.negeriau.net':80
  • '43#####9.xpresit.net':80
  • '43#####9.redirectme.net':80
  • '43#####9.profinet.ro':80
  • '43#####9.cybscripts.com':80
  • '43####69.rltk.us':80
  • '43####69.ddns.net':80
  • '43####69.vxe6.net':80
  • '43######.##ericanelectricalservices.net':80
  • '43###369.biz':80
  • '43####69.wtf-no.com':80
  • '43####69.no-ip.info':80
  • '43###369.com':80
  • '43######.servehalflife.com':80
  • '43#####9.embeddedsw.org':80
  • '43#####9.servegame.com':80
  • '43######.##rnando-botero-sculpture.com':80
  • '43#####9.blizzie.net':80
  • '43######.theabernathyhome.com':80
  • '43######.fatesperfection.com':80
  • '43######.beerprojects.com':80
  • '43#####9.dianyglas.com':80
  • '43#####9.isihia-exi.ro':80
  • '43#####9.becompany.org':80
  • '43####69.base-v.ch':80
  • '43###369.biz.tm':80
  • '43#####9.dnmcoffman.com':80
  • '43####69.thegmc.com':80
  • '43####69.shadir.com':80
  • '43######.sexyhosting.biz':80
  • '43######.computersforpeace.net':80
  • '43#####9.wolmerica.com':80
  • '43#####9.serveblog.net':80
  • '43####69.myvnc.com':80
  • '43######.kevinbradley.org':80
  • '43####69.no-ip.org':80
  • '43####69.kein.hk':80
  • '43######.candacechao.com':80
  • '43###369.net':80
  • '43####69.webhop.me':80
  • '43####69.myftp.org':80
  • '43####69.contem.bz':80
  • '43#####9.ddnsking.com':80
  • '43######.lovethosetrains.com':80
  • '43#####9.servehttp.com':80
  • '43#####9.dara-dal.net':80
  • '43######.parinternet.biz':80
  • '43#####9.3utilities.com':80
  • '43#####9.servequake.com':80
  • '43######.consortiummedia.com':80
  • '43####69.getce.com':80
  • '43######.fuckcentral.com':80
  • '43###369.uk.to':80
  • '43#####9.paulkelly.org':80
  • '43####69.shop.tm':80
  • '43#####9.kaleebso.com':80
  • '43######.rockingwranchinc.com':80
  • '43###369.us.to':80
  • '43######.trailsendfarms.com':80
  • '43######.serveminecraft.net':80
  • '43####69.noip.me':80
  • '43######.fintech-llc.com':80
  • '43###369.info':80
  • '43####69.gotdns.ch':80
  • '43######.xn--bser-5qa.org':80
  • '43####69.smirt.ch':80
  • '43#####9.905tech.com':80
  • '43#####9.servepics.com':80
  • '43####69.igliss.com':80
  • '43####69.info.tm':80
  • '43#####9.grupompr.com':80
  • '43######.hiddencorner.org':80
  • '43###369.qc.to':80
  • '43######.asianfreshproduce.com':80
TCP:
HTTP POST requests:
  • 43######.techgoodness.org/
  • 43#####9.bounceme.net/
  • 43######.endlessconference.com/
  • 43######.death-by-monkeys.com/
  • 43####69.no-ip.biz/
  • 43####69.funkar.nu/
  • 43######.servecounterstrike.com/
  • 43#####9.goofyspeak.com/
  • 43#####9.servemp3.com/
  • 43####69.hopto.org/
  • 43#####9.surlenet.be/
  • 43######.jlengineering.se/
  • 43#####9.vaughngass.com/
  • 43#####9.drreading.us/
  • 43#####9.serveftp.com/
  • 43####69.sytes.net/
  • 43#####9.fin-tech.com/
  • 43####69.framed.net/
  • 43####69.home.kg/
  • 43######.amproliability.com/
  • 43#####9.tnebldc.org/
  • 43####69.zapto.org/
  • 43####69.devi1.net/
  • 43#####9.yngling.com/
  • 43####69.carys.org/
  • 43####69.4twenty.us/
  • 43######.fulltimevillain.net/
  • 43####69.myftp.biz/
  • 43#####9.gigaportal.pl/
  • 43#####9.unibutton.com/
  • 43######.embeddedonline.org/
  • 62######7.kevinbradley.org/
  • 43##1369.ru/
  • 43#####9.negeriau.net/
  • 43#####9.etherbyte.com/
  • 43####69.rltk.org/
  • 62#####37.wolmerica.com/
  • 62#####37.serveblog.net/
  • 62####637.contem.bz/
  • 62#######.computersforpeace.net/
  • 62####637.no-ip.org/
  • 62####637.kein.hk/
  • 62####637.myvnc.com/
  • 43####69.wtf-no.com/
  • 43#####9.cybscripts.com/
  • 43#####9.xpresit.net/
  • 43#####9.redirectme.net/
  • 43####69.vxe6.net/
  • 43#####9.servebeer.com/
  • 43####69.rltk.us/
  • 43####69.ddns.net/
  • 43####69.no-ip.info/
  • 43######.##ericanelectricalservices.net/
  • 43###369.biz/
  • 43#####9.embeddedsw.org/
  • 43#####9.profinet.ro/
  • 43###369.com/
  • 43######.servehalflife.com/
  • 43####69.shop.tm/
  • 43#####9.servegame.com/
  • 43######.##rnando-botero-sculpture.com/
  • 43#####9.blizzie.net/
  • 43######.theabernathyhome.com/
  • 43######.fatesperfection.com/
  • 43######.beerprojects.com/
  • 43#####9.dianyglas.com/
  • 43#####9.isihia-exi.ro/
  • 43#####9.becompany.org/
  • 43####69.base-v.ch/
  • 43###369.biz.tm/
  • 43#####9.dnmcoffman.com/
  • 43####69.thegmc.com/
  • 43####69.shadir.com/
  • 43######.sexyhosting.biz/
  • 43######.computersforpeace.net/
  • 43#####9.wolmerica.com/
  • 43#####9.serveblog.net/
  • 43####69.myvnc.com/
  • 43######.kevinbradley.org/
  • 43####69.no-ip.org/
  • 43####69.kein.hk/
  • 43######.candacechao.com/
  • 43###369.net/
  • 43####69.webhop.me/
  • 43####69.myftp.org/
  • 43####69.contem.bz/
  • 43#####9.ddnsking.com/
  • 43######.lovethosetrains.com/
  • 43#####9.servequake.com/
  • 43#####9.dara-dal.net/
  • 43######.parinternet.biz/
  • 43######.fuckcentral.com/
  • 43######.serveminecraft.net/
  • 43######.consortiummedia.com/
  • 43####69.getce.com/
  • 43#####9.kaleebso.com/
  • 43###369.uk.to/
  • 43#####9.paulkelly.org/
  • 43######.trailsendfarms.com/
  • 43#####9.3utilities.com/
  • 43######.rockingwranchinc.com/
  • 43###369.us.to/
  • 43####69.info.tm/
  • 43####69.gotdns.ch/
  • 43####69.noip.me/
  • 43######.fintech-llc.com/
  • 43#####9.905tech.com/
  • 43#####9.servehttp.com/
  • 43######.xn--bser-5qa.org/
  • 43####69.smirt.ch/
  • 43#####9.grupompr.com/
  • 43#####9.servepics.com/
  • 43####69.igliss.com/
  • 43######.asianfreshproduce.com/
  • 43###369.info/
  • 43######.hiddencorner.org/
  • 43###369.qc.to/
UDP:
  • DNS ASK 43####69.hopto.org
  • DNS ASK 43#####9.servemp3.com
  • DNS ASK 43####69.rltk.us
  • DNS ASK 43#####9.servebeer.com
  • DNS ASK 43#####9.drreading.us
  • DNS ASK 43#####9.vaughngass.com
  • DNS ASK 43#####9.goofyspeak.com
  • DNS ASK 43#####9.surlenet.be
  • DNS ASK 43#####9.profinet.ro
  • DNS ASK 43#####9.redirectme.net
  • DNS ASK 43######.servehalflife.com
  • DNS ASK 43###369.com
  • DNS ASK 43####69.vxe6.net
  • DNS ASK 43####69.ddns.net
  • DNS ASK 43#####9.xpresit.net
  • DNS ASK 43#####9.cybscripts.com
  • DNS ASK 43######.jlengineering.se
  • DNS ASK 43####69.devi1.net
  • DNS ASK 43####69.4twenty.us
  • DNS ASK 43####69.carys.org
  • DNS ASK 43#####9.yngling.com
  • DNS ASK 43######.fulltimevillain.net
  • DNS ASK 62#####37.blizzie.net
  • DNS ASK 43#####9.gigaportal.pl
  • DNS ASK 43####69.myftp.biz
  • DNS ASK 43######.techgoodness.org
  • DNS ASK 43######.death-by-monkeys.com
  • DNS ASK 43######.endlessconference.com
  • DNS ASK 43#####9.bounceme.net
  • DNS ASK 43####69.no-ip.biz
  • DNS ASK 43#####9.serveftp.com
  • DNS ASK 43######.servecounterstrike.com
  • DNS ASK 43####69.funkar.nu
  • DNS ASK 62####637.myftp.org
  • DNS ASK 62#######.lovethosetrains.com
  • DNS ASK 62###1637.net
  • DNS ASK 62######7.candacechao.com
  • DNS ASK dn#.##ftncsi.com
  • DNS ASK 62#####37.serveblog.net
  • DNS ASK 62#####37.ddnsking.com
  • DNS ASK 62####637.contem.bz
  • DNS ASK 62#######.theabernathyhome.com
  • DNS ASK 62#####37.dianyglas.com
  • DNS ASK 62#######.#ernando-botero-sculpture.com
  • DNS ASK 62#####37.servegame.com
  • DNS ASK 62######7.sexyhosting.biz
  • DNS ASK 62####637.webhop.me
  • DNS ASK 62######7.beerprojects.com
  • DNS ASK 62#######.fatesperfection.com
  • DNS ASK 62#####37.wolmerica.com
  • DNS ASK 43#####9.negeriau.net
  • DNS ASK 43####69.wtf-no.com
  • DNS ASK 43####69.rltk.org
  • DNS ASK 43#####9.etherbyte.com
  • DNS ASK 43####69.no-ip.info
  • DNS ASK 43#####9.embeddedsw.org
  • DNS ASK 43###369.biz
  • DNS ASK 43######.##ericanelectricalservices.net
  • DNS ASK 62####637.kein.hk
  • DNS ASK 62####637.no-ip.org
  • DNS ASK 62#######.computersforpeace.net
  • DNS ASK 62####637.myvnc.com
  • DNS ASK 43#####9.unibutton.com
  • DNS ASK 43##1369.ru
  • DNS ASK 62######7.kevinbradley.org
  • DNS ASK 43######.embeddedonline.org
  • DNS ASK 43#####9.blizzie.net
  • DNS ASK 43######.##rnando-botero-sculpture.com
  • DNS ASK 43####69.thegmc.com
  • DNS ASK 43#####9.dnmcoffman.com
  • DNS ASK 43#####9.dianyglas.com
  • DNS ASK 43######.beerprojects.com
  • DNS ASK 43#####9.servegame.com
  • DNS ASK 43######.theabernathyhome.com
  • DNS ASK 43#####9.servehttp.com
  • DNS ASK 43####69.base-v.ch
  • DNS ASK 43####69.smirt.ch
  • DNS ASK 43######.xn--bser-5qa.org
  • DNS ASK 43###369.biz.tm
  • DNS ASK 43####69.shadir.com
  • DNS ASK 43#####9.becompany.org
  • DNS ASK 43#####9.isihia-exi.ro
  • DNS ASK 43######.fatesperfection.com
  • DNS ASK 43######.computersforpeace.net
  • DNS ASK 43####69.myvnc.com
  • DNS ASK 43#####9.serveblog.net
  • DNS ASK 43#####9.wolmerica.com
  • DNS ASK 43######.kevinbradley.org
  • DNS ASK 43####69.framed.net
  • DNS ASK 43####69.kein.hk
  • DNS ASK 43####69.no-ip.org
  • DNS ASK 43###369.net
  • DNS ASK 43######.candacechao.com
  • DNS ASK 43######.sexyhosting.biz
  • DNS ASK 43####69.webhop.me
  • DNS ASK 43#####9.ddnsking.com
  • DNS ASK 43####69.contem.bz
  • DNS ASK 43####69.myftp.org
  • DNS ASK 43######.lovethosetrains.com
  • DNS ASK 43###369.us.to
  • DNS ASK 43######.rockingwranchinc.com
  • DNS ASK 43#####9.kaleebso.com
  • DNS ASK 43######.trailsendfarms.com
  • DNS ASK 43#####9.dara-dal.net
  • DNS ASK 43#####9.servequake.com
  • DNS ASK 43#####9.3utilities.com
  • DNS ASK 43######.parinternet.biz
  • DNS ASK 43###369.uk.to
  • DNS ASK 43####69.home.kg
  • DNS ASK 43####69.zapto.org
  • DNS ASK 43#####9.fin-tech.com
  • DNS ASK 43####69.sytes.net
  • DNS ASK 43####69.shop.tm
  • DNS ASK 43#####9.paulkelly.org
  • DNS ASK 43#####9.tnebldc.org
  • DNS ASK 43######.amproliability.com
  • DNS ASK 43######.hiddencorner.org
  • DNS ASK 43###369.info
  • DNS ASK 43######.asianfreshproduce.com
  • DNS ASK 43###369.qc.to
  • DNS ASK 43####69.gotdns.ch
  • DNS ASK 43#####9.905tech.com
  • DNS ASK 43######.fintech-llc.com
  • DNS ASK 43####69.noip.me
  • DNS ASK 43######.consortiummedia.com
  • DNS ASK 43######.serveminecraft.net
  • DNS ASK 43######.fuckcentral.com
  • DNS ASK 43####69.getce.com
  • DNS ASK 43####69.info.tm
  • DNS ASK 43#####9.servepics.com
  • DNS ASK 43#####9.grupompr.com
  • DNS ASK 43####69.igliss.com
  • '20#.#6.232.182':3544
  • 'localhost':64690
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''

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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);
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