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アンチウイルスに関する誤解と噂

ニュース

Trojan.DownLoader17.4247

Added to the Dr.Web virus database: 2015-10-10

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Credential Presentation Socket NGEN' = '<SYSTEM32>\plpftbn.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\DHCP Parental WebClient Reports] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • Windows Security Center
Creates and executes the following:
  • '<SYSTEM32>\oyrauwki.exe' "<SYSTEM32>\plpftbn.exe"
  • '%WINDIR%\Temp\nlytppvj3goajek.exe' -r 35960 tcp
  • '%TEMP%\nlytppvj332pjekq0mzgqv.exe'
  • '<SYSTEM32>\plpftbn.exe'
Modifies file system :
Creates the following files:
  • <SYSTEM32>\mwbazcmfgr\run
  • <SYSTEM32>\mwbazcmfgr\rng
  • %WINDIR%\Temp\nlytppvj3goajek.exe
  • <SYSTEM32>\mwbazcmfgr\cfg
  • <SYSTEM32>\oyrauwki.exe
  • %TEMP%\nlytppvj332pjekq0mzgqv.exe
  • <SYSTEM32>\mwbazcmfgr\tst
  • <SYSTEM32>\plpftbn.exe
  • <SYSTEM32>\mwbazcmfgr\etc
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\oyrauwki.exe
  • <SYSTEM32>\plpftbn.exe
Deletes the following files:
  • %WINDIR%\Temp\nlytppvj3goajek.exe
  • <DRIVERS>\etc\hosts
  • %TEMP%\nlytppvj332pjekq0mzgqv.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
  • 'gl###reak.net':80
  • 'ta###prove.net':80
  • 'ta###break.net':80
  • 'gr###slept.net':80
  • 'eq###slept.net':80
  • 'ta###slept.net':80
  • 'gl###lept.net':80
  • 'gl###ers.net':80
  • 'gl###rove.net':80
  • 'ta###hers.net':80
  • 'sp###slept.net':80
  • 'gr###break.net':80
  • 'vi###slept.net':80
  • 'vi###hers.net':80
  • 'sp###hers.net':80
  • 'gr###hers.net':80
  • 'eq###hers.net':80
  • 'eq###prove.net':80
  • 'eq###break.net':80
  • 'gr###prove.net':80
  • 'up###ers.net':80
  • 'wh###slept.net':80
  • 'wh###hers.net':80
  • 'wh###prove.net':80
  • 'up###rove.net':80
  • 'af###sllc.com':80
  • 'ri###nstorm.net':80
  • 'be##lxc.com':80
  • 'up###lept.net':80
  • 'de###lxc.com':80
  • 'sp###rove.net':80
  • 'sa###ers.net':80
  • 'sa###rove.net':80
  • 'sa###reak.net':80
  • 'sp###reak.net':80
  • 'wh###break.net':80
  • 'up###reak.net':80
  • 'sp###lept.net':80
  • 'sp###ers.net':80
  • 'sa###lept.net':80
TCP:
HTTP GET requests:
  • http://gl###reak.net/index.php
  • http://ta###prove.net/index.php
  • http://ta###break.net/index.php
  • http://gr###slept.net/index.php
  • http://eq###slept.net/index.php
  • http://ta###slept.net/index.php
  • http://gl###lept.net/index.php
  • http://gl###ers.net/index.php
  • http://gl###rove.net/index.php
  • http://ta###hers.net/index.php
  • http://sp###slept.net/index.php
  • http://gr###break.net/index.php
  • http://vi###slept.net/index.php
  • http://vi###hers.net/index.php
  • http://sp###hers.net/index.php
  • http://gr###hers.net/index.php
  • http://eq###hers.net/index.php
  • http://eq###prove.net/index.php
  • http://eq###break.net/index.php
  • http://gr###prove.net/index.php
  • http://up###ers.net/index.php
  • http://wh###slept.net/index.php
  • http://wh###hers.net/index.php
  • http://wh###prove.net/index.php
  • http://up###rove.net/index.php
  • http://af###sllc.com/index.php
  • http://ri###nstorm.net/index.php
  • http://be##lxc.com/index.php
  • http://up###lept.net/index.php
  • http://de###lxc.com/index.php
  • http://sp###rove.net/index.php
  • http://sa###ers.net/index.php
  • http://sa###rove.net/index.php
  • http://sa###reak.net/index.php
  • http://sp###reak.net/index.php
  • http://wh###break.net/index.php
  • http://up###reak.net/index.php
  • http://sp###lept.net/index.php
  • http://sp###ers.net/index.php
  • http://sa###lept.net/index.php
UDP:
  • DNS ASK gl###reak.net
  • DNS ASK ta###prove.net
  • DNS ASK ta###break.net
  • DNS ASK gr###slept.net
  • DNS ASK eq###slept.net
  • DNS ASK ta###slept.net
  • DNS ASK gl###lept.net
  • DNS ASK gl###ers.net
  • DNS ASK gl###rove.net
  • DNS ASK ta###hers.net
  • DNS ASK eq###hers.net
  • DNS ASK vi###slept.net
  • DNS ASK sp###slept.net
  • DNS ASK sp###hers.net
  • DNS ASK sp###prove.net
  • DNS ASK vi###hers.net
  • DNS ASK eq###prove.net
  • DNS ASK gr###hers.net
  • DNS ASK gr###prove.net
  • DNS ASK gr###break.net
  • DNS ASK eq###break.net
  • DNS ASK up###ers.net
  • DNS ASK wh###slept.net
  • DNS ASK wh###hers.net
  • DNS ASK wh###prove.net
  • DNS ASK up###rove.net
  • DNS ASK af###sllc.com
  • DNS ASK ri###nstorm.net
  • DNS ASK be##lxc.com
  • DNS ASK up###lept.net
  • DNS ASK de###lxc.com
  • DNS ASK sp###rove.net
  • DNS ASK sa###ers.net
  • DNS ASK sa###rove.net
  • DNS ASK sa###reak.net
  • DNS ASK sp###reak.net
  • DNS ASK wh###break.net
  • DNS ASK up###reak.net
  • DNS ASK sp###lept.net
  • DNS ASK sp###ers.net
  • DNS ASK sa###lept.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.
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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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