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トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

ニュース

Trojan.StartPage1.43642

Added to the Dr.Web virus database: 2017-07-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Classes\MSProgramGroup\Shell\Open\Command] '' = '<SYSTEM32>\grpconv.exe %1'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '<SYSTEM32>\ctfmon.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'GrpConv' = 'grpconv -o'
Malicious functions:
Executes the following:
  • '<SYSTEM32>\grpconv.exe' -o
  • '<SYSTEM32>\rundll32.exe' setupapi,InstallHinfSection DefaultInstall 132 %TEMP%\~eqliqxi.inf
  • '<SYSTEM32>\ping.exe' -n 2 127.0.0.1
  • '<SYSTEM32>\cmd.exe' /c %TEMP%\scratch.bat
  • '%TEMP%\xummuyp.exe' /HomeRegAccess10
  • '<SYSTEM32>\rundll32.exe' setupapi,InstallHinfSection DefaultInstall 132 %TEMP%\~ztiwoui.inf
  • '%TEMP%\pikyzlx.exe' /HomeRegAccess10
  • '%TEMP%\uzbdozp.exe' /HomeRegAccess10
  • '<SYSTEM32>\runonce.exe' -r
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system:
Creates the following files:
  • %HOMEPATH%\Favorites\links\免费电影.url
  • %HOMEPATH%\Favorites\链接\免费电影.url
  • %HOMEPATH%\Favorites\免费电影.url
  • %HOMEPATH%\Favorites\links\.url
  • %HOMEPATH%\Favorites\链接\.url
  • %HOMEPATH%\Favorites\.url
  • %HOMEPATH%\Favorites\links\小游戏.url
  • %HOMEPATH%\Favorites\链接\美女图片.url
  • %HOMEPATH%\Favorites\美女图片.url
  • %HOMEPATH%\Favorites\links\游戏加速.url
  • %HOMEPATH%\Favorites\链接\小游戏.url
  • %HOMEPATH%\Favorites\小游戏.url
  • %HOMEPATH%\Favorites\links\美女图片.url
  • %TEMP%\~eqliqxi.inf
  • %TEMP%\~vkroaye.tmp
  • %TEMP%\3024ukteebr
  • %TEMP%\scratch.bat
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\启动 Internet Explorer 浏览器.lnk
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\显示桌面.scf
  • %TEMP%\aut4.tmp
  • %TEMP%\aut3.tmp
  • %TEMP%\uzbdozp.exe
  • %TEMP%\~ztiwoui.inf
  • %TEMP%\xummuyp.exe
  • %TEMP%\~avmydaw.tmp
  • %TEMP%\2980wqtufpr
  • %HOMEPATH%\Favorites\网址导航.url
  • %HOMEPATH%\Favorites\links\百度一下.url
  • %HOMEPATH%\Favorites\链接\百度一下.url
  • %HOMEPATH%\Favorites\淘宝网.url
  • %HOMEPATH%\Favorites\links\网址导航.url
  • %HOMEPATH%\Favorites\链接\网址导航.url
  • %HOMEPATH%\Favorites\百度一下.url
  • %TEMP%\pikyzlx.exe
  • %TEMP%\2900pqvwsin
  • %TEMP%\aut1.tmp
  • %TEMP%\~ubtqraz.tmp
  • %TEMP%\2920ytahvyz
  • %TEMP%\aut2.tmp
  • %HOMEPATH%\Favorites\链接\网页游戏.url
  • %HOMEPATH%\Favorites\网页游戏.url
  • %HOMEPATH%\Favorites\links\天猫精选.url
  • %HOMEPATH%\Favorites\链接\游戏加速.url
  • %HOMEPATH%\Favorites\游戏加速.url
  • %HOMEPATH%\Favorites\links\网页游戏.url
  • %HOMEPATH%\Favorites\链接\天猫精选.url
  • %HOMEPATH%\Favorites\京东商城.url
  • %HOMEPATH%\Favorites\links\淘宝网.url
  • %HOMEPATH%\Favorites\链接\淘宝网.url
  • %HOMEPATH%\Favorites\天猫精选.url
  • %HOMEPATH%\Favorites\links\京东商城.url
  • %HOMEPATH%\Favorites\链接\京东商城.url
Deletes the following files:
  • %HOMEPATH%\Favorites\游戏加速.url
  • %HOMEPATH%\Favorites\淘宝网.url
  • %HOMEPATH%\Favorites\小游戏.url
  • %HOMEPATH%\Favorites\网页游戏.url
  • %HOMEPATH%\Favorites\网址导航.url
  • %HOMEPATH%\Favorites\百度一下.url
  • %HOMEPATH%\Favorites\links\美女图片.url
  • %HOMEPATH%\Favorites\links\网页游戏.url
  • %HOMEPATH%\Favorites\links\网址导航.url
  • %HOMEPATH%\Favorites\天猫精选.url
  • %HOMEPATH%\Favorites\免费电影.url
  • %HOMEPATH%\Favorites\京东商城.url
  • %HOMEPATH%\Favorites\美女图片.url
  • %HOMEPATH%\Favorites\链接\网址导航.url
  • %HOMEPATH%\Favorites\链接\百度一下.url
  • %HOMEPATH%\Favorites\链接\游戏加速.url
  • %TEMP%\~eqliqxi.inf
  • %HOMEPATH%\Favorites\链接\美女图片.url
  • %HOMEPATH%\Favorites\链接\网页游戏.url
  • %HOMEPATH%\Favorites\链接\免费电影.url
  • %HOMEPATH%\Favorites\链接\京东商城.url
  • %HOMEPATH%\Favorites\链接\.url
  • %HOMEPATH%\Favorites\链接\淘宝网.url
  • %HOMEPATH%\Favorites\链接\小游戏.url
  • %HOMEPATH%\Favorites\链接\天猫精选.url
  • %TEMP%\aut3.tmp
  • %TEMP%\~ztiwoui.inf
  • <DRIVERS>\etc\hosts
  • %TEMP%\~avmydaw.tmp
  • %TEMP%\uzbdozp.exe
  • %TEMP%\2980wqtufpr
  • %TEMP%\aut2.tmp
  • %TEMP%\2900pqvwsin
  • %TEMP%\aut1.tmp
  • %TEMP%\pikyzlx.exe
  • %TEMP%\~ubtqraz.tmp
  • %TEMP%\2920ytahvyz
  • %TEMP%\aut4.tmp
  • %HOMEPATH%\Favorites\links\小游戏.url
  • %HOMEPATH%\Favorites\links\天猫精选.url
  • %HOMEPATH%\Favorites\links\免费电影.url
  • %HOMEPATH%\Favorites\links\百度一下.url
  • %HOMEPATH%\Favorites\links\游戏加速.url
  • %HOMEPATH%\Favorites\links\淘宝网.url
  • %TEMP%\~vkroaye.tmp
  • %TEMP%\xummuyp.exe
  • %TEMP%\3024ukteebr
  • %HOMEPATH%\Favorites\links\京东商城.url
  • %HOMEPATH%\Favorites\links\.url
  • %HOMEPATH%\Favorites\.url
Substitutes the following files:
  • %HOMEPATH%\Favorites\链接\美女图片.url
  • %HOMEPATH%\Favorites\美女图片.url
  • %HOMEPATH%\Favorites\小游戏.url
  • %HOMEPATH%\Favorites\links\美女图片.url
  • %HOMEPATH%\Favorites\游戏加速.url
  • %HOMEPATH%\Favorites\links\网页游戏.url
  • %HOMEPATH%\Favorites\links\游戏加速.url
  • %HOMEPATH%\Favorites\链接\游戏加速.url
  • %HOMEPATH%\Favorites\.url
  • %HOMEPATH%\Favorites\links\免费电影.url
  • %HOMEPATH%\Favorites\links\.url
  • %HOMEPATH%\Favorites\链接\.url
  • %HOMEPATH%\Favorites\links\小游戏.url
  • %HOMEPATH%\Favorites\链接\小游戏.url
  • %HOMEPATH%\Favorites\链接\免费电影.url
  • %HOMEPATH%\Favorites\免费电影.url
  • %HOMEPATH%\Favorites\链接\网页游戏.url
  • %HOMEPATH%\Favorites\links\网址导航.url
  • %HOMEPATH%\Favorites\链接\网址导航.url
  • %HOMEPATH%\Favorites\链接\淘宝网.url
  • %HOMEPATH%\Favorites\淘宝网.url
  • %HOMEPATH%\Favorites\链接\百度一下.url
  • %HOMEPATH%\Favorites\百度一下.url
  • %HOMEPATH%\Favorites\网址导航.url
  • %HOMEPATH%\Favorites\links\百度一下.url
  • %HOMEPATH%\Favorites\链接\天猫精选.url
  • %HOMEPATH%\Favorites\天猫精选.url
  • %HOMEPATH%\Favorites\网页游戏.url
  • %HOMEPATH%\Favorites\links\天猫精选.url
  • %HOMEPATH%\Favorites\京东商城.url
  • %HOMEPATH%\Favorites\links\淘宝网.url
  • %HOMEPATH%\Favorites\links\京东商城.url
  • %HOMEPATH%\Favorites\链接\京东商城.url
Miscellaneous:
Searches for the following windows:
  • 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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