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アンチウイルスに関する誤解と噂

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Trojan.AVKill.21456

Added to the Dr.Web virus database: 2012-09-14

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\Install\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA driver monitor' = '%WINDIR%\nvsvc32.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '%WINDIR%\nvsvc32.exe:*:Enabled:NVIDIA driver monitor'
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:NVIDIA driver monitor'
Creates and executes the following:
  • %WINDIR%\nvsvc32.exe
Executes the following:
  • %WINDIR%\explorer.exe http://br#####sers.myspace.com/Browse/Browse.aspx
  • <SYSTEM32>\netsh.exe firewall add allowedprogram 1.exe 1 ENABLE
Terminates or attempts to terminate
the following user processes:
  • AVP.EXE
  • ekrn.exe
Searches for windows to
detect programs and games:
  • ClassName: 'MSNHiddenWindowClass' WindowName: ''
  • ClassName: '_Oscar_StatusNotify' WindowName: ''
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\Browse[1].aspx
  • %WINDIR%\nvsvc32.exe
Sets the 'hidden' attribute to the following files:
  • %WINDIR%\nvsvc32.exe
  • <Full path to virus>
Network activity:
Connects to:
  • 'br#####sers.myspace.com':80
  • '23#.#60.147.53':5050
  • 'localhost':1039
  • '24#.#56.38.241':5050
TCP:
HTTP GET requests:
  • br#####sers.myspace.com/Browse/Browse.aspx
UDP:
  • DNS ASK pr#.aps.org
  • DNS ASK ma#.###gosbakugan.net
  • DNS ASK sh###tyle.com
  • DNS ASK ma#.#730ip.com
  • DNS ASK mc##.#vengine.com
  • DNS ASK sc####service.com
  • DNS ASK jb.#sm.org
  • DNS ASK we#####trafficspy.com
  • DNS ASK xx#.##opklatka.pl
  • DNS ASK re#####-action.org.uk
  • DNS ASK qu#.51.com
  • DNS ASK mi#.###ce-erotske.in.rs
  • DNS ASK sc####idyscrubs.com
  • DNS ASK hr#.uh.edu
  • DNS ASK er####rlounge.de
  • DNS ASK jo####ls.lww.com
  • DNS ASK in####highered.com
  • DNS ASK uk#.##nkedin.com
  • DNS ASK ep#.##nmablog.jp
  • DNS ASK ma#.#time.com
  • DNS ASK so####mpton.ac.uk
  • DNS ASK pr#.##ndmines.org
  • DNS ASK ma#.##lamontada.com
  • DNS ASK ol#.###gjuyt2tugas.com
  • DNS ASK al#.##kibili.com
  • DNS ASK xx#.#agdcom.de
  • DNS ASK mi#.###naturistclub.com
  • DNS ASK tr####ationale.org
  • DNS ASK m.###chdns.org
  • DNS ASK br#####sers.myspace.com
  • DNS ASK de#####mccloskey.org
  • DNS ASK ol#.#ouku.com
  • DNS ASK op#.####andathletics.com
  • DNS ASK jo######faccountancy.com
  • DNS ASK at#.##coctelera.net
  • DNS ASK as###.ic.ac.uk
  • DNS ASK mi####astpost.org
  • DNS ASK al#####shistory.info
  • DNS ASK ol#.###temofadown.com
  • DNS ASK ma#.#guia.cl
  • DNS ASK be##.neogen.ro
  • DNS ASK ve###tek.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Message Session' WindowName: ''
  • ClassName: 'TskMultiChatForm.UnicodeClass' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: '' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: '__oxFrame.class__' WindowName: ''
  • ClassName: 'Shell_TrayWnd' 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.

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