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Trojan.FakeAV.8957

Added to the Dr.Web virus database: 2011-07-10

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command] '' = '"<LS_APPDATA>\xep.exe" -a "%PROGRAM_FILES%\Internet Explorer\iexplore.exe"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '903363105' = '<LS_APPDATA>\xep.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '<SYSTEM32>\ctfmon.exe'
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\DomainProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DisableNotifications' = '00000001'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
To complicate detection of its presence in the operating system,
blocks the following features:
  • Windows Security Center
Creates and executes the following:
  • <LS_APPDATA>\xep.exe -gav <Full path to virus>
Terminates or attempts to terminate
the following user processes:
  • chrome.exe
  • opera.exe
  • iexplore.exe
  • firefox.exe
Modifies file system :
Creates the following files:
  • %TEMP%\k2f28t25g78rl0j1npvn8r81261y8r1l4a365l88ilv357r
  • %HOMEPATH%\Templates\k2f28t25g78rl0j1npvn8r81261y8r1l4a365l88ilv357r
  • %ALLUSERSPROFILE%\Application Data\k2f28t25g78rl0j1npvn8r81261y8r1l4a365l88ilv357r
  • <LS_APPDATA>\xep.exe
  • <LS_APPDATA>\k2f28t25g78rl0j1npvn8r81261y8r1l4a365l88ilv357r
Deletes itself.
Network activity:
Connects to:
  • 'gi###ylite.com':80
  • 'ja####kuxilufo.com':80
  • 'xe###ider.com':80
  • 'za###eduhyb.com':80
  • 'ni###oquv.com':80
  • 'le###alyri.com':80
  • 'my####nybihy.com':80
  • 'fi###axavys.com':80
  • 'jo###ijito.com':80
  • 'xo###ehyni.com':80
  • 'ku###yfybex.com':80
  • 'jo###umehyn.com':80
  • 've###asibi.com':80
  • 'qo####xiwidaz.com':80
  • 'wy####kodovi.com':80
  • 'so###yjek.com':80
  • 'ni###uqyn.com':80
  • 'le###esax.com':80
  • 'xu####sowebaty.com':80
  • 'he####kejepuvo.com':80
  • 'sy####cigisav.com':80
  • 'go###udesu.com':80
  • 'wu####dejypo.com':80
  • 'ho###ozupuf.com':80
UDP:
  • DNS ASK fi###axavys.com
  • DNS ASK my####nybihy.com
  • DNS ASK bo####qexise.com
  • DNS ASK jo###ijito.com
  • DNS ASK xo###ehyni.com
  • DNS ASK xe###ider.com
  • DNS ASK jo###umehyn.com
  • DNS ASK ku###yfybex.com
  • DNS ASK di###onido.com
  • DNS ASK microsoft.com
  • DNS ASK hi###uloh.com
  • DNS ASK to###ubosox.com
  • DNS ASK re###uqat.com
  • DNS ASK xe###agyxut.com
  • DNS ASK ti###iwof.com
  • DNS ASK fi###eqipif.com
  • DNS ASK dy####cojame.com
  • DNS ASK wy####kodovi.com
  • DNS ASK qo####xiwidaz.com
  • DNS ASK wu####dejypo.com
  • DNS ASK go###udesu.com
  • DNS ASK so###yjek.com
  • DNS ASK ni###uqyn.com
  • DNS ASK le###esax.com
  • DNS ASK ve###asibi.com
  • DNS ASK ho###ozupuf.com
  • DNS ASK le###alyri.com
  • DNS ASK ni###oquv.com
  • DNS ASK ja####kuxilufo.com
  • DNS ASK gi###ylite.com
  • DNS ASK he####kejepuvo.com
  • DNS ASK xu####sowebaty.com
  • DNS ASK za###eduhyb.com
  • DNS ASK sy####cigisav.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'msascui_class' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''

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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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

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After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

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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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