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Trojan.StartPage1.47965

Added to the Dr.Web virus database: 2017-12-30

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '<SYSTEM32>\ctfmon.exe'
  • [<HKLM>\SOFTWARE\Classes\MSProgramGroup\Shell\Open\Command] '' = '<SYSTEM32>\grpconv.exe %1'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'GrpConv' = 'grpconv -o'
Malicious functions:
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system:
Creates the following files:
  • %TEMP%\~uvvlspi.inf
  • %HOMEPATH%\Favorites\links\足球比分.url
  • %HOMEPATH%\Favorites\链接\足球比分.url
  • %TEMP%\~vmaxdwr.inf
  • %TEMP%\~zwkjaoc.tmp
  • %TEMP%\2948mjnryqk
  • %TEMP%\aut3.tmp
  • %HOMEPATH%\Favorites\足球比分.url
  • %HOMEPATH%\Favorites\链接\电影网.url
  • %HOMEPATH%\Favorites\电影网.url
  • %HOMEPATH%\Favorites\links\小游戏.url
  • %HOMEPATH%\Favorites\links\电影网.url
  • %HOMEPATH%\Favorites\links\体育新闻.url
  • %HOMEPATH%\Favorites\链接\体育新闻.url
  • %HOMEPATH%\Favorites\体育新闻.url
  • %TEMP%\aut4.tmp
  • %TEMP%\~rrwbrpy.tmp
  • %TEMP%\3156xlozknd
  • %TEMP%\aut7.tmp
  • %TEMP%\~vqzmwwk.inf
  • %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%\~cddgzwi.inf
  • %TEMP%\~aszyndy.tmp
  • %TEMP%\aut5.tmp
  • %TEMP%\~uzmvqpl.tmp
  • %TEMP%\3024wrgsgsp
  • %TEMP%\3080hpsfank
  • %TEMP%\3100vjgcjzh
  • %TEMP%\aut6.tmp
  • %TEMP%\~muzqtmm.tmp
  • %HOMEPATH%\Favorites\links\淘宝网.url
  • %HOMEPATH%\Favorites\链接\淘宝网.url
  • %HOMEPATH%\Favorites\淘宝网.url
  • %HOMEPATH%\Favorites\天猫购物.url
  • %HOMEPATH%\Favorites\手机游戏.url
  • %HOMEPATH%\Favorites\links\天猫购物.url
  • %HOMEPATH%\Favorites\链接\天猫购物.url
  • %HOMEPATH%\Favorites\links\百度.url
  • %TEMP%\aut2.tmp
  • %TEMP%\2840yvntjnw
  • %TEMP%\aut1.tmp
  • %TEMP%\2864gpugray
  • %HOMEPATH%\Favorites\链接\百度.url
  • %HOMEPATH%\Favorites\百度.url
  • %TEMP%\~tyfoyqc.tmp
  • %HOMEPATH%\Favorites\链接\手机游戏.url
  • %HOMEPATH%\Favorites\手机刷机包.url
  • %HOMEPATH%\Favorites\links\女性网.url
  • %HOMEPATH%\Favorites\链接\女性网.url
  • %HOMEPATH%\Favorites\链接\手机刷机包.url
  • %HOMEPATH%\Favorites\链接\小游戏.url
  • %HOMEPATH%\Favorites\小游戏.url
  • %HOMEPATH%\Favorites\links\手机刷机包.url
  • %HOMEPATH%\Favorites\女性网.url
  • %HOMEPATH%\Favorites\链接\美女图片.url
  • %HOMEPATH%\Favorites\美女图片.url
  • %HOMEPATH%\Favorites\links\手机游戏.url
  • %HOMEPATH%\Favorites\links\美女图片.url
  • %HOMEPATH%\Favorites\links\美容网.url
  • %HOMEPATH%\Favorites\链接\美容网.url
  • %HOMEPATH%\Favorites\美容网.url
Deletes the following files:
  • %HOMEPATH%\Favorites\电影网.url
  • %HOMEPATH%\Favorites\淘宝网.url
  • %HOMEPATH%\Favorites\手机游戏.url
  • %HOMEPATH%\Favorites\百度.url
  • %HOMEPATH%\Favorites\足球比分.url
  • %HOMEPATH%\Favorites\美容网.url
  • %HOMEPATH%\Favorites\美女图片.url
  • %HOMEPATH%\Favorites\体育新闻.url
  • %HOMEPATH%\Favorites\links\足球比分.url
  • %HOMEPATH%\Favorites\links\美容网.url
  • %HOMEPATH%\Favorites\天猫购物.url
  • %HOMEPATH%\Favorites\手机刷机包.url
  • %HOMEPATH%\Favorites\小游戏.url
  • %HOMEPATH%\Favorites\女性网.url
  • %HOMEPATH%\Favorites\链接\美女图片.url
  • %HOMEPATH%\Favorites\链接\百度.url
  • %HOMEPATH%\Favorites\链接\电影网.url
  • %HOMEPATH%\Favorites\链接\美容网.url
  • %TEMP%\~cddgzwi.inf
  • %TEMP%\~vqzmwwk.inf
  • %HOMEPATH%\Favorites\链接\足球比分.url
  • %HOMEPATH%\Favorites\链接\女性网.url
  • %HOMEPATH%\Favorites\链接\天猫购物.url
  • %HOMEPATH%\Favorites\链接\体育新闻.url
  • %HOMEPATH%\Favorites\链接\小游戏.url
  • %HOMEPATH%\Favorites\链接\淘宝网.url
  • %HOMEPATH%\Favorites\链接\手机游戏.url
  • %HOMEPATH%\Favorites\链接\手机刷机包.url
  • %TEMP%\aut4.tmp
  • %TEMP%\2948mjnryqk
  • %TEMP%\aut3.tmp
  • %TEMP%\3024wrgsgsp
  • %TEMP%\~muzqtmm.tmp
  • %TEMP%\3080hpsfank
  • %TEMP%\aut5.tmp
  • %TEMP%\aut2.tmp
  • %TEMP%\2840yvntjnw
  • %TEMP%\aut1.tmp
  • %TEMP%\2864gpugray
  • %TEMP%\~vmaxdwr.inf
  • %TEMP%\~uvvlspi.inf
  • %TEMP%\~tyfoyqc.tmp
  • %HOMEPATH%\Favorites\links\手机游戏.url
  • %HOMEPATH%\Favorites\links\手机刷机包.url
  • %HOMEPATH%\Favorites\links\小游戏.url
  • %HOMEPATH%\Favorites\links\淘宝网.url
  • %HOMEPATH%\Favorites\links\美女图片.url
  • %HOMEPATH%\Favorites\links\百度.url
  • %HOMEPATH%\Favorites\links\电影网.url
  • %TEMP%\aut7.tmp
  • %TEMP%\3100vjgcjzh
  • %TEMP%\aut6.tmp
  • %TEMP%\3156xlozknd
  • %HOMEPATH%\Favorites\links\女性网.url
  • %HOMEPATH%\Favorites\links\天猫购物.url
  • %HOMEPATH%\Favorites\links\体育新闻.url
Substitutes the following files:
  • %HOMEPATH%\Favorites\小游戏.url
  • %HOMEPATH%\Favorites\links\手机刷机包.url
  • %HOMEPATH%\Favorites\links\小游戏.url
  • %HOMEPATH%\Favorites\链接\小游戏.url
  • %HOMEPATH%\Favorites\链接\手机刷机包.url
  • %HOMEPATH%\Favorites\链接\女性网.url
  • %HOMEPATH%\Favorites\女性网.url
  • %HOMEPATH%\Favorites\手机刷机包.url
  • %HOMEPATH%\Favorites\links\女性网.url
  • %HOMEPATH%\Favorites\足球比分.url
  • %HOMEPATH%\Favorites\links\体育新闻.url
  • %HOMEPATH%\Favorites\links\足球比分.url
  • %HOMEPATH%\Favorites\链接\足球比分.url
  • %HOMEPATH%\Favorites\链接\体育新闻.url
  • %HOMEPATH%\Favorites\链接\电影网.url
  • %HOMEPATH%\Favorites\电影网.url
  • %HOMEPATH%\Favorites\体育新闻.url
  • %HOMEPATH%\Favorites\links\电影网.url
  • %HOMEPATH%\Favorites\天猫购物.url
  • %HOMEPATH%\Favorites\links\淘宝网.url
  • %HOMEPATH%\Favorites\links\天猫购物.url
  • %HOMEPATH%\Favorites\链接\天猫购物.url
  • %HOMEPATH%\Favorites\链接\淘宝网.url
  • %HOMEPATH%\Favorites\链接\百度.url
  • %HOMEPATH%\Favorites\百度.url
  • %HOMEPATH%\Favorites\淘宝网.url
  • %HOMEPATH%\Favorites\links\百度.url
  • %HOMEPATH%\Favorites\美容网.url
  • %HOMEPATH%\Favorites\links\美女图片.url
  • %HOMEPATH%\Favorites\links\美容网.url
  • %HOMEPATH%\Favorites\链接\美容网.url
  • %HOMEPATH%\Favorites\链接\美女图片.url
  • %HOMEPATH%\Favorites\链接\手机游戏.url
  • %HOMEPATH%\Favorites\手机游戏.url
  • %HOMEPATH%\Favorites\美女图片.url
  • %HOMEPATH%\Favorites\links\手机游戏.url
Miscellaneous:
Creates and executes the following:
  • '<Full path to file>' /RegAccess
Executes the following:
  • '<SYSTEM32>\rundll32.exe' setupapi,InstallHinfSection DefaultInstall 132 %TEMP%\~cddgzwi.inf
  • '<SYSTEM32>\rundll32.exe' setupapi,InstallHinfSection DefaultInstall 132 %TEMP%\~vqzmwwk.inf
  • '<SYSTEM32>\ping.exe' 127.0.0.1 -n 3
  • '<SYSTEM32>\cmd.exe' /c ping 127.0.0.1 -n 3&del /f /q "<Full path to file>"
  • '<SYSTEM32>\runonce.exe' -r
  • '<SYSTEM32>\rundll32.exe' setupapi,InstallHinfSection DefaultInstall 132 %TEMP%\~uvvlspi.inf
  • '<SYSTEM32>\rundll32.exe' setupapi,InstallHinfSection DefaultInstall 132 %TEMP%\~vmaxdwr.inf
  • '<SYSTEM32>\grpconv.exe' -o

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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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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