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アンチウイルスに関する誤解と噂

ニュース

Trojan.DownLoader6.24400

Added to the Dr.Web virus database: 2012-06-28

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Kingsoft Antivirus WebShield Service] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • %ALLUSERSPROFILE%\Application Data\wd\KSWebShield.exe -start
  • %ALLUSERSPROFILE%\Application Data\wd\KSWebShield.exe
  • %ALLUSERSPROFILE%\Application Data\wd\KSWebShield.exe -install
  • %TEMP%\nsp2.tmp\ns3.tmp cmd.exe /c c:\clearerror.bat
  • %TEMP%\nsp2.tmp\ns5.tmp cmd.exe /c "%ALLUSERSPROFILE%\Application Data\wd\u.bat"
Executes the following:
  • <SYSTEM32>\route.exe -p add 59.53.87.77 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.78 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.76 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.106 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.107 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 60.191.223.94 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 60.191.223.96 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 60.191.124.236 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.79 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.80 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 222.241.151.0 mask 255.255.255.0 10.0.0.3
  • <SYSTEM32>\route.exe -p add 58.221.42.83 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 222.208.168.5 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 222.186.189.0 mask 255.255.255.0 10.0.0.3
  • <SYSTEM32>\route.exe -p add 222.208.168.4 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.101 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.53.87.102 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 59.51.114.16 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 58.221.42.84 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 58.221.42.85 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.183.44.240 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.183.62.178 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.164.110.113 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.160.210.169 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.160.210.170 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 67.215.65.132 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\ping.exe 127.0.0.1 -n 6
  • <SYSTEM32>\route.exe -p add 61.183.62.187 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.183.62.179 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.183.62.186 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.147.110.237 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.147.110.238 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.147.110.235 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 60.191.223.97 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.147.109.147 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.160.210.167 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.160.210.168 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.160.210.166 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.160.210.164 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 61.160.210.165 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 222.186.16.181 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.132 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.133 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.131 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.227.15.61 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.130 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.68 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 124.238.243.0 mask 255.255.255.0 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.136 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.134 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.228.199.135 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 121.14.158.155 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.225.37.116 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 121.14.158.153 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 110.81.239.0 mask 255.255.255.0 10.0.0.3
  • <SYSTEM32>\route.exe -p add 113.105.146.25 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.227.15.59 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.227.15.60 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.226.213.145 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.225.37.117 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 122.225.37.118 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.170.193.69 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.170.193.70 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.170.193.68 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.77.10.71 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.77.10.73 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.170.193.74 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.181.126.0 mask 255.255.255.0 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.170.193.73 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.170.193.71 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 220.170.193.72 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.16.227.66 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.21.68.70 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 202.102.110.205 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 124.238.244.0 mask 255.255.255.0 10.0.0.3
  • <SYSTEM32>\route.exe -p add 124.238.254.0 mask 255.255.255.0 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.77.10.69 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.77.10.70 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.77.10.68 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.77.10.66 mask 255.255.255.255 10.0.0.3
  • <SYSTEM32>\route.exe -p add 218.77.10.67 mask 255.255.255.255 10.0.0.3
Modifies file system :
Creates the following files:
  • %ALLUSERSPROFILE%\Application Data\wd\u.bat
  • %TEMP%\nsp2.tmp\ns5.tmp
  • %ALLUSERSPROFILE%\Application Data\wd\kwsui.dll
  • %ALLUSERSPROFILE%\Application Data\wd\kswebshield.dll
  • %ALLUSERSPROFILE%\Application Data\wd\kswbc.dll
  • %ALLUSERSPROFILE%\Application Data\wd\KWSSVC.log
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\indexn3[1].htm
  • <SYSTEM32>\i_e.ico
  • <SYSTEM32>\txb.ico
  • <SYSTEM32>\xxyx.ico
  • %ALLUSERSPROFILE%\Application Data\wd\KSWebShield.exe
  • %TEMP%\nsp2.tmp\nsExec.dll
  • %TEMP%\nsp2.tmp\ns3.tmp
  • C:\clearerror.bat
  • %TEMP%\nsp2.tmp\NSISArray.dll
  • %TEMP%\nsp2.tmp\ip.dll
  • %ALLUSERSPROFILE%\Templates\nsu4.tmp.exe
  • %ALLUSERSPROFILE%\Application Data\kingsoft\kws\spitesp.dat
  • %ALLUSERSPROFILE%\Application Data\wd\kwssp.dll
  • %ALLUSERSPROFILE%\Application Data\kingsoft\kws\kws.ini
  • %TEMP%\nsp2.tmp\System.dll
  • %TEMP%\nsp2.tmp\AccessControl.dll
Deletes the following files:
  • %TEMP%\nsp2.tmp\nsExec.dll
  • %TEMP%\nsp2.tmp\NSISArray.dll
  • %TEMP%\nsp2.tmp\System.dll
  • %TEMP%\nsp2.tmp\ip.dll
  • %TEMP%\nsp2.tmp\ns3.tmp
  • %TEMP%\nsp2.tmp\ns5.tmp
  • %TEMP%\nsp2.tmp\AccessControl.dll
Deletes itself.
Network activity:
Connects to:
  • 'ww#.#iyou.net':80
  • 'localhost':1037
TCP:
HTTP GET requests:
  • ww#.#iyou.net/indexn3.htm
UDP:
  • DNS ASK ww#.#iyou.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'ComboBox' WindowName: ''
  • ClassName: 'ComboBoxEx32' WindowName: ''
  • ClassName: 'Address Band Root' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'Edit' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: '' WindowName: ''
  • ClassName: 'kws::OSUCWindowClass' WindowName: ''
  • ClassName: 'ReBarWindow32' WindowName: ''
  • ClassName: 'WorkerW' WindowName: ''
  • ClassName: 'IEFrame' 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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Download on App Store

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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