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アンチウイルスに関する誤解と噂

ニュース

Trojan.DownLoader26.15320

Added to the Dr.Web virus database: 2018-02-06

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'SPP' = '%WINDIR%\winsxx\srnss.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SPP' = '%WINDIR%\winsxx\srnss.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • User Account Control (UAC)
Executes the following:
  • '<SYSTEM32>\taskkill.exe' /f /im hproc64.exe
Injects code into
the following system processes:
  • <SYSTEM32>\notepad.exe
  • <SYSTEM32>\ctfmon.exe
Modifies file system:
Creates the following files:
  • %WINDIR%\mmc.dll
  • %WINDIR%\AeroS.exe
  • %HOMEPATH%\Local Settings\<INETFILES>\Content.IE5\U98D4X8H\update[1].txt
  • %WINDIR%\msic.dll
  • %ProgramFiles%\newgdi32.dll
  • %WINDIR%\mtemp.db
  • %WINDIR%\kmon.dll
Network activity:
Connects to:
  • '10#.#.249.25':8889
  • '10#.#.249.25':80
  • 'localhost':1036
  • 'ta###.kro.kr':80
TCP:
HTTP GET requests:
  • http://10#.#.249.25/ZUpdateNew8/update.txt
  • http://ta###.kro.kr/
UDP:
  • DNS ASK ta###.kro.kr
  • '10#.#.249.25':2019
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: 'ЗЗёБ °нЅєЕй'
  • ClassName: '' WindowName: 'іЭё¶єн 7ЖчДї'
  • ClassName: '' WindowName: 'іЭё¶єн ·Оїм№ЩµПАМ'
  • ClassName: '' WindowName: 'ЗЗёБ јёґЩ'
  • ClassName: '' WindowName: 'ЗЗёБ ИЗ¶у'
  • ClassName: '' WindowName: 'ЗЗёБ ёВ°н'
  • ClassName: '' WindowName: 'ЗЗёБ ґєёВ°н'
  • ClassName: '' WindowName: 'іЭё¶єн ґєЖчДї'
  • ClassName: '' WindowName: '°ФАУ Е¬¶уАМѕрЖ®'
  • ClassName: '' WindowName: '??????????'
  • ClassName: '' WindowName: '№ЩµПАМ°ФАУ'
  • ClassName: '' WindowName: 'іЭё¶єн ИЗ¶у'
  • ClassName: '' WindowName: 'іЭё¶єн ЗПАМ·Оїм'
  • ClassName: '' WindowName: '?????? ????'
  • ClassName: '' WindowName: 'іЭё¶єн јёґЩ'
  • ClassName: '' WindowName: '?????? ????????'
  • ClassName: '' WindowName: 'ЗС°ФАУ ЖДЖјИЗ¶у'
  • ClassName: '' WindowName: '???? ??????????'
  • ClassName: '' WindowName: 'ЗС°ФАУ ёВЖчДї'
  • ClassName: '' WindowName: '????????2'
  • ClassName: '' WindowName: 'ЗПАМ·Оїм2'
  • ClassName: '' WindowName: '?????? ??????'
  • ClassName: '' WindowName: 'ЗЗёБ ·Оїм№ЩµПАМ'
  • ClassName: '' WindowName: '???? ????????'
  • ClassName: '' WindowName: 'ЗЗёБ ЗПАМ·Оїм'
  • ClassName: '' WindowName: '???? ????'
  • ClassName: '' WindowName: 'ЗЗёБ ґєЖчДї'
  • ClassName: '' WindowName: '???? 7????'
  • ClassName: '' WindowName: 'ЗЗёБ 7ЖчДї'
  • ClassName: '' WindowName: '???? ??????'
  • ClassName: '' WindowName: '????????'
  • ClassName: 'MLBGame' WindowName: '????'
  • ClassName: 'MLBGame' WindowName: '포커게임'
  • ClassName: 'MLBGame' WindowName: '맞고게임'
  • ClassName: 'MLBGame' WindowName: '바둑이게임'
  • ClassName: 'REALGAME_CANVAS' WindowName: '게임 클라이언트'
  • ClassName: 'BADUKI' WindowName: 'BADUKI'
  • ClassName: 'MLBGame' WindowName: '?????'
  • ClassName: 'POKER_CANVAS' WindowName: '????'
  • ClassName: 'Noriter_Game' WindowName: '포커게임'
  • ClassName: 'Noriter_Game' WindowName: '맞고게임'
  • ClassName: 'UnityWndClass' WindowName: 'Vanilla'
  • ClassName: 'Noriter_Game' WindowName: '????'
  • ClassName: 'POKER_CANVAS' WindowName: '피쉬게임'
  • ClassName: 'Noriter_Game' WindowName: '?????'
  • ClassName: 'Noriter_Game' WindowName: '바둑이게임'
  • ClassName: '' WindowName: 'ЖМЅєЕё°ФАУ ґл±вЅЗ'
  • ClassName: '' WindowName: '???????? ????'
  • ClassName: '' WindowName: 'їГЅєЕёБо °ФАУ'
  • ClassName: '' WindowName: '?????????? ??????'
  • ClassName: '' WindowName: 'ЖчДї°ФАУ'
  • ClassName: '' WindowName: 'ёВ°н°ФАУ'
  • ClassName: '' WindowName: '№ЩАМЕ©°ФАУ'
  • ClassName: '' WindowName: '·Оїм №ЩµПАМ'
  • ClassName: 'POKER_CANVAS' WindowName: '?? ?????'
  • ClassName: 'POKER_CANVAS' WindowName: '게임 클라이언트'
  • ClassName: 'REALGAME_CANVAS' WindowName: '?? ?????'
  • ClassName: '#32770' WindowName: 'ёЮёрАе'
  • ClassName: '' WindowName: 'ёВ°н'
  • ClassName: '' WindowName: 'ЖчДї'
  • ClassName: '#32770' WindowName: '??????'
  • ClassName: '' WindowName: 'ЗС°ФАУ ¶уЅєєЈ°ЎЅє ЖчДї'
  • ClassName: '' WindowName: '?? ????'
  • ClassName: '' WindowName: '피망 하이로우'
  • ClassName: '' WindowName: '?? ??'
  • ClassName: '' WindowName: '피망 뉴포커'
  • ClassName: '' WindowName: '?? 7??'
  • ClassName: '' WindowName: '피망 7포커'
  • ClassName: '' WindowName: '?? ???'
  • ClassName: '' WindowName: '피망 훌라'
  • ClassName: '' WindowName: '넷마블 7포커'
  • ClassName: '' WindowName: '넷마블 로우바둑이'
  • ClassName: '' WindowName: '넷마블 뉴포커'
  • ClassName: '' WindowName: '피망 고스톱'
  • ClassName: '' WindowName: '피망 맞고'
  • ClassName: '' WindowName: '피망 뉴맞고'
  • ClassName: '' WindowName: '피망 섯다'
  • ClassName: '' WindowName: '한게임 7포커'
  • ClassName: '' WindowName: '??? ????? ??'
  • ClassName: '' WindowName: '한게임 라스베가스 포커'
  • ClassName: '' WindowName: '??? 7??'
  • ClassName: '' WindowName: ''
  • ClassName: '' WindowName: '??? ?????'
  • ClassName: '' WindowName: '한게임 로우바둑이'
  • ClassName: '' WindowName: '????2'
  • ClassName: '' WindowName: '한게임 파티훌라'
  • ClassName: '' WindowName: '?? ?????'
  • ClassName: '' WindowName: '피망 로우바둑이'
  • ClassName: '' WindowName: '??? ????'
  • ClassName: '' WindowName: '하이로우2'
  • ClassName: '' WindowName: '??? ???'
  • ClassName: '' WindowName: '한게임 맞포커'
  • ClassName: '' WindowName: '넷마블 하이로우'
  • ClassName: '' WindowName: '??'
  • ClassName: '' WindowName: '맞고'
  • ClassName: '' WindowName: '포커'
  • ClassName: '' WindowName: '로우 바둑이'
  • ClassName: '' WindowName: 'Vanilla'
  • ClassName: '' WindowName: '???? ??'
  • ClassName: '' WindowName: '올스타즈 게임'
  • ClassName: '' WindowName: '????? ???'
  • ClassName: '' WindowName: '?????? 7????'
  • ClassName: '' WindowName: 'ЗС°ФАУ 7ЖчДї'
  • ClassName: '' WindowName: '?????? ?????????? ????'
  • ClassName: '' WindowName: 'ЗС°ФАУ ·Оїм№ЩµПАМ'
  • ClassName: '' WindowName: '팟스타게임 대기실'
  • ClassName: 'IEFrame' WindowName: ''
  • ClassName: '' WindowName: '?????? ??????????'
  • ClassName: 'CXG_WNDCLASS' WindowName: ''
  • ClassName: '' WindowName: '?????'
  • ClassName: '' WindowName: '바둑이게임'
  • ClassName: '' WindowName: '게임 클라이언트'
  • ClassName: '' WindowName: '??? ??'
  • ClassName: '' WindowName: '넷마블 섯다'
  • ClassName: '' WindowName: '넷마블 훌라'
  • ClassName: '' WindowName: '????'
  • ClassName: '' WindowName: 'Baduki'
  • ClassName: '' WindowName: 'PlusPoker'
  • ClassName: '' WindowName: 'Matgo'
  • ClassName: '' WindowName: 'NEW VONGVONG MATGO'
  • ClassName: '' WindowName: '포커게임'
  • ClassName: '' WindowName: '맞고게임'
  • ClassName: '' WindowName: 'NEW VONGVONG BADUKI'
Executes the following:
  • '<SYSTEM32>\notepad.exe'
  • '<SYSTEM32>\ipconfig.exe' /all
  • '<SYSTEM32>\ctfmon.exe'

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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