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Trojan.Click1.47806

Added to the Dr.Web virus database: 2011-06-27

Virus description added:

Technical Information

Malicious functions:
Creates and executes the following:
  • %PROGRAM_FILES%\24.exe 
Executes the following:
  • <SYSTEM32>\cacls.exe "<Full path to virus>" /e /c /G Everyone:r
  • <SYSTEM32>\cacls.exe "%PROGRAM_FILES%\ttb.ico" /e /c /r "Power Users"
  • <SYSTEM32>\cacls.exe "%PROGRAM_FILES%\ttb.ico" /e /c /r "Authenticated Users"
  • <SYSTEM32>\cacls.exe "<Full path to virus>" /e /c /r Users
  • <SYSTEM32>\cacls.exe "<Full path to virus>" /e /c /r System
  • <SYSTEM32>\cacls.exe "<Full path to virus>" /e /c /r %USERNAME%s
  • <SYSTEM32>\cacls.exe "%PROGRAM_FILES%\ttb.ico" /e /c /r "%USERNAME%
  • <SYSTEM32>\cacls.exe "%PROGRAM_FILES%\ttb.ico" /e /c /G Everyone:r
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\购物淘宝.lnk" /e /c /r "Power Users"
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\购物淘宝.lnk" /e /c /r "Authenticated Users"
  • <SYSTEM32>\cacls.exe "%PROGRAM_FILES%\ttb.ico" /e /c /r Users
  • <SYSTEM32>\cacls.exe "%PROGRAM_FILES%\ttb.ico" /e /c /r System
  • <SYSTEM32>\cacls.exe "%PROGRAM_FILES%\ttb.ico" /e /c /r %USERNAME%s
  • <SYSTEM32>\cacls.exe "%HOMEPATH%\Desktop\Intrenet Expolrer.lnk" /e /c /r "Power Users"
  • <SYSTEM32>\cacls.exe "%HOMEPATH%\Desktop\Intrenet Expolrer.lnk" /e /c /r "Authenticated Users"
  • <SYSTEM32>\cacls.exe "%HOMEPATH%\Desktop\Intrenet Expolrer.lnk" /e /c /r "%USERNAME%
  • <SYSTEM32>\cmd.exe /c ""k.bat""
  • %PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://an###.#anduzuo.cn:2903/CPAdown/haozip_tiny.200629.html
  • %PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://an###.#anduzuo.cn:2903/CPAdown/Loader_jieku_977.html
  • <SYSTEM32>\cacls.exe "%HOMEPATH%\Desktop\Intrenet Expolrer.lnk" /e /c /r Users
  • <SYSTEM32>\cacls.exe "<Full path to virus>" /e /c /r "Power Users"
  • <SYSTEM32>\cacls.exe "<Full path to virus>" /e /c /r "Authenticated Users"
  • <SYSTEM32>\cacls.exe "<Full path to virus>" /e /c /r "%USERNAME%
  • <SYSTEM32>\cacls.exe "%HOMEPATH%\Desktop\Intrenet Expolrer.lnk" /e /c /r System
  • <SYSTEM32>\cacls.exe "%HOMEPATH%\Desktop\Intrenet Expolrer.lnk" /e /c /r %USERNAME%s
  • <SYSTEM32>\cacls.exe "%HOMEPATH%\Desktop\Intrenet Expolrer.lnk" /e /c /G Everyone:r
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\购物淘宝.lnk" /e /c /r "%USERNAME%
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\上网指南.lnk" /e /c /r %USERNAME%s
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\上网指南.lnk" /e /c /G Everyone:r
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk" /e /c /r "Power Users"
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\上网指南.lnk" /e /c /r "%USERNAME%
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\上网指南.lnk" /e /c /r Users
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\上网指南.lnk" /e /c /r System
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk" /e /c /r "Authenticated Users"
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk" /e /c /r %USERNAME%s
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk" /e /c /G Everyone:r
  • <SYSTEM32>\ipconfig.exe /all
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk" /e /c /r "%USERNAME%
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk" /e /c /r Users
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk" /e /c /r System
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\购物淘宝.lnk" /e /c /G Everyone:r
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\精彩小游戏.lnk" /e /c /r "Power Users"
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\精彩小游戏.lnk" /e /c /r "Authenticated Users"
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\购物淘宝.lnk" /e /c /r Users
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\购物淘宝.lnk" /e /c /r System
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\购物淘宝.lnk" /e /c /r %USERNAME%s
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\精彩小游戏.lnk" /e /c /r "%USERNAME%
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\精彩小游戏.lnk" /e /c /G Everyone:r
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\上网指南.lnk" /e /c /r "Power Users"
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\上网指南.lnk" /e /c /r "Authenticated Users"
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\精彩小游戏.lnk" /e /c /r Users
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\精彩小游戏.lnk" /e /c /r System
  • <SYSTEM32>\cacls.exe "%ALLUSERSPROFILE%\Desktop\精彩小游戏.lnk" /e /c /r %USERNAME%s
Modifies file system :
Creates the following files:
  • %ALLUSERSPROFILE%\Start Menu\iiee.lnk
  • %PROGRAM_FILES%\24.exe
  • <Current directory>\k.bat
  • %PROGRAM_FILES%\ttb.ico
  • %WINDIR%\Temp\ld08.tmp
  • %ALLUSERSPROFILE%\Start Menu\iiieee.lnk
Sets the 'hidden' attribute to the following files:
  • %ALLUSERSPROFILE%\Desktop\Intrenet Expolrer.lnk
  • %PROGRAM_FILES%\ttb.ico
Deletes the following files:
  • %WINDIR%\Temp\ld08.tmp
Deletes itself.
Network activity:
Connects to:
  • 'localhost':1038
UDP:
  • DNS ASK an###.sanduzuo.cn
Miscellaneous:
Searches for the following windows:
  • ClassName: 'SysListView32' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'SHELLDLL_DefView' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: '' WindowName: ''
  • ClassName: 'Progman' 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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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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