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アンチウイルスに関する誤解と噂

ニュース

Trojan.DownLoader22.26435

Added to the Dr.Web virus database: 2016-08-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Themes Service Configuration Control Office' = '<SYSTEM32>\rxhlqzrk.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Controls User-mode Framework Image Protection] 'ImagePath' = '<SYSTEM32>\rxhlqzrk.exe'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Controls User-mode Framework Image Protection] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • Windows Security Center
Executes the following:
  • '<SYSTEM32>\isloovd.exe' "<SYSTEM32>\rxhlqzrk.exe"
  • '%WINDIR%\Temp\adhbv02n36nt.exe' -r 33492 tcp
  • '%TEMP%\adhbv02jn1ntt9qlub.exe'
  • '<SYSTEM32>\rxhlqzrk.exe'
Modifies file system:
Creates the following files:
  • <SYSTEM32>\ccmekdennk\run
  • <SYSTEM32>\ccmekdennk\rng
  • %WINDIR%\Temp\adhbv02n36nt.exe
  • <SYSTEM32>\ccmekdennk\cfg
  • <SYSTEM32>\isloovd.exe
  • %TEMP%\adhbv02jn1ntt9qlub.exe
  • <SYSTEM32>\ccmekdennk\tst
  • <SYSTEM32>\rxhlqzrk.exe
  • <SYSTEM32>\ccmekdennk\etc
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\isloovd.exe
  • <SYSTEM32>\rxhlqzrk.exe
Deletes the following files:
  • %WINDIR%\Temp\adhbv02n36nt.exe
  • %TEMP%\adhbv02jn1ntt9qlub.exe
  • <DRIVERS>\etc\hosts
Substitutes the HOSTS file.
Network activity:
Connects to:
  • 'mo###slow.net':80
  • 'fa####vember.net':80
  • 'wa###low.net':80
  • 'wa####bruary.net':80
  • 'mo####ebruary.net':80
  • 'le####ovember.net':80
  • 'le####ebruary.net':80
  • 'fa###low.net':80
  • 'fa####bruary.net':80
  • 'fa###elp.net':80
  • 'le###help.net':80
  • 'mo###help.net':80
  • 'st###help.net':80
  • 'we####bruary.net':80
  • 'we###elp.net':80
  • 'we####vember.net':80
  • 'st####ovember.net':80
  • 'st####ebruary.net':80
  • 'mo####ovember.net':80
  • 'wa###elp.net':80
  • 'wa####vember.net':80
  • 'we###low.net':80
  • 'st###slow.net':80
  • 'mu###appy.net':80
  • 'fa###oat.net':80
  • 'fe###tate.net':80
  • 'fi###help.net':80
  • 'ca###ile.net':80
  • 'dr####hirteen.net':80
  • 'so###nder.net':80
  • 'ab###ead.net':80
  • 'qu###tell.net':80
  • 'mo###rest.net':80
  • 'we####dayhalf.net':80
  • 'qu###help.net':80
  • 'ga###elp.net':80
  • 'bo###elp.net':80
  • 'bo####vember.net':80
  • 'le###slow.net':80
  • 'ga####vember.net':80
  • 'ga####bruary.net':80
  • 'qu####ovember.net':80
  • 'fi####ovember.net':80
  • 'bo###low.net':80
  • 'bo####bruary.net':80
  • 'ga###low.net':80
TCP:
HTTP GET requests:
  • http://mo###slow.net/index.php?me################################################
  • http://fa####vember.net/index.php?me################################################
  • http://wa###low.net/index.php?me################################################
  • http://wa####bruary.net/index.php?me################################################
  • http://mo####ebruary.net/index.php?me################################################
  • http://le####ovember.net/index.php?me################################################
  • http://le####ebruary.net/index.php?me################################################
  • http://fa###low.net/index.php?me################################################
  • http://fa####bruary.net/index.php?me################################################
  • http://fa###elp.net/index.php?me################################################
  • http://le###help.net/index.php?me################################################
  • http://mo###help.net/index.php?me################################################
  • http://st###help.net/index.php?me################################################
  • http://we####bruary.net/index.php?me################################################
  • http://we###elp.net/index.php?me################################################
  • http://we####vember.net/index.php?me################################################
  • http://st####ovember.net/index.php?me################################################
  • http://st####ebruary.net/index.php?me################################################
  • http://mo####ovember.net/index.php?me################################################
  • http://wa###elp.net/index.php?me################################################
  • http://wa####vember.net/index.php?me################################################
  • http://we###low.net/index.php?me################################################
  • http://st###slow.net/index.php?me################################################
  • http://mu###appy.net/index.php?me################################################
  • http://fa###oat.net/index.php?me################################################
  • http://fe###tate.net/index.php?me################################################
  • http://fi###help.net/index.php?me################################################
  • http://ca###ile.net/index.php?me################################################
  • http://dr####hirteen.net/index.php?me################################################
  • http://so###nder.net/index.php?me################################################
  • http://ab###ead.net/index.php?me################################################
  • http://qu###tell.net/index.php?me################################################
  • http://mo###rest.net/index.php?me################################################
  • http://we####dayhalf.net/index.php?me################################################
  • http://qu###help.net/index.php?me################################################
  • http://ga###elp.net/index.php?me################################################
  • http://bo###elp.net/index.php?me################################################
  • http://bo####vember.net/index.php?me################################################
  • http://le###slow.net/index.php?me################################################
  • http://ga####vember.net/index.php?me################################################
  • http://ga####bruary.net/index.php?me################################################
  • http://qu####ovember.net/index.php?me################################################
  • http://fi####ovember.net/index.php?me################################################
  • http://bo###low.net/index.php?me################################################
  • http://bo####bruary.net/index.php?me################################################
  • http://ga###low.net/index.php?me################################################
UDP:
  • DNS ASK wa###low.net
  • DNS ASK mo###slow.net
  • DNS ASK fa####vember.net
  • DNS ASK mo###help.net
  • DNS ASK wa####bruary.net
  • DNS ASK mo####ebruary.net
  • DNS ASK fa####bruary.net
  • DNS ASK le####ebruary.net
  • DNS ASK fa###low.net
  • DNS ASK le####ovember.net
  • DNS ASK fa###elp.net
  • DNS ASK le###help.net
  • DNS ASK we###elp.net
  • DNS ASK st###help.net
  • DNS ASK we####bruary.net
  • DNS ASK af###slow.net
  • DNS ASK we####vember.net
  • DNS ASK st####ovember.net
  • DNS ASK wa####vember.net
  • DNS ASK mo####ovember.net
  • DNS ASK wa###elp.net
  • DNS ASK st####ebruary.net
  • DNS ASK we###low.net
  • DNS ASK st###slow.net
  • DNS ASK mu###appy.net
  • DNS ASK fa###oat.net
  • DNS ASK fe###tate.net
  • DNS ASK fi###help.net
  • DNS ASK ca###ile.net
  • DNS ASK dr####hirteen.net
  • DNS ASK so###nder.net
  • DNS ASK ab###ead.net
  • DNS ASK qu###tell.net
  • DNS ASK mo###rest.net
  • DNS ASK we####dayhalf.net
  • DNS ASK qu###help.net
  • DNS ASK ga###elp.net
  • DNS ASK bo###elp.net
  • DNS ASK bo####vember.net
  • DNS ASK le###slow.net
  • DNS ASK ga####vember.net
  • DNS ASK ga####bruary.net
  • DNS ASK qu####ovember.net
  • DNS ASK fi####ovember.net
  • DNS ASK bo###low.net
  • DNS ASK bo####bruary.net
  • DNS ASK ga###low.net
  • '23#.#55.255.250':1900

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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