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Trojan.Siggen30.50279
Added to the Dr.Web virus database:
2025-01-14
Virus description added:
2025-01-16
Техническая информация
Для обеспечения автозапуска и распространения
Создает или изменяет следующие файлы
<SYSTEM32>\tasks\servicess
<SYSTEM32>\tasks\lsml
<SYSTEM32>\tasks\lsm
<SYSTEM32>\tasks\spoolsvs
<SYSTEM32>\tasks\services
<SYSTEM32>\tasks\spoolsv
<SYSTEM32>\tasks\dwmd
<SYSTEM32>\tasks\ntoskrnl2n
<SYSTEM32>\tasks\dwm
<SYSTEM32>\tasks\ntoskrnl2
Вредоносные функции
Для затруднения выявления своего присутствия в системе
добавляет исключения антивируса:
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\services.exe'
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:\kms\lsm.exe'
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath 'C:\MSOCache\All Users\{90140000-0011-0000-1000-0000000FF1CE}-C\spoolsv.exe'
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '%ProgramFiles(x86)%\Windows NT\TableTextService\en-US\dwm.exe'
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Command Add-MpPreference -ExclusionPath '<SYSTEM32>\ntoskrnl2.exe'
Изменения в файловой системе
Создает следующие файлы
<SYSTEM32>\ntoskrnl2.exe
%HOMEPATH%\desktop\eyhwtiyb.log
nul
%TEMP%\hqrlzy17x7.bat
%TEMP%\bwqttlvczm
C:\recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\c5b4cb5e9653cc
C:\recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\services.exe
C:\kms\101b941d020240
C:\kms\lsm.exe
C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\f3b6ecef712a24
C:\msocache\all users\{90140000-0011-0000-1000-0000000ff1ce}-c\spoolsv.exe
%ProgramFiles(x86)%\windows nt\tabletextservice\en-us\6cb0b6c459d5d3
%HOMEPATH%\desktop\gxhzolci.log
%ProgramFiles(x86)%\windows nt\tabletextservice\en-us\dwm.exe
%HOMEPATH%\desktop\qcoybhlj.log
%HOMEPATH%\desktop\vipklswy.log
%WINDIR%\temp\tarf9d0.tmp
%WINDIR%\temp\cabf9cf.tmp
%HOMEPATH%\desktop\adpipzbj.log
%WINDIR%\temp\tare2c5.tmp
%WINDIR%\temp\cabe2c4.tmp
%WINDIR%\temp\tare246.tmp
%WINDIR%\temp\cabe245.tmp
%WINDIR%\temp\tarcace.tmp
%WINDIR%\temp\cabcacd.tmp
<SYSTEM32>\33a22f3fbfeb15
%HOMEPATH%\desktop\nuvzrzxw.log
Удаляет следующие файлы
%WINDIR%\temp\cabcacd.tmp
%WINDIR%\temp\tarcace.tmp
%WINDIR%\temp\cabe245.tmp
%WINDIR%\temp\tare246.tmp
%WINDIR%\temp\cabe2c4.tmp
%WINDIR%\temp\tare2c5.tmp
%WINDIR%\temp\cabf9cf.tmp
%WINDIR%\temp\tarf9d0.tmp
%TEMP%\bwqttlvczm
Сетевая активность
Подключается к
'localhost':49179
'localhost':49181
'ke##uth.win':443
'x1.#.lencr.org':80
TCP
Запросы HTTP GET
Другие
'localhost':49179
'localhost':49181
'localhost':49182
'ke##uth.win':443
UDP
DNS ASK ke##uth.win
DNS ASK x1.#.lencr.org
Другое
Создает и запускает на исполнение
'<SYSTEM32>\ntoskrnl2.exe'
'%ProgramFiles(x86)%\windows nt\tabletextservice\en-us\dwm.exe'
Запускает на исполнение
'<SYSTEM32>\cmd.exe' /c mode con cols=90 lines=27
'<SYSTEM32>\cmd.exe' /C "%TEMP%\hqrLzy17X7.bat" (со скрытым окном)
'<SYSTEM32>\schtasks.exe' /create /tn "ntoskrnl2n" /sc MINUTE /mo 10 /tr "'<SYSTEM32>\ntoskrnl2.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "ntoskrnl2" /sc ONLOGON /tr "'<SYSTEM32>\ntoskrnl2.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "ntoskrnl2n" /sc MINUTE /mo 12 /tr "'<SYSTEM32>\ntoskrnl2.exe'" /f
'<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'%ProgramFiles(x86)%\Windows NT\TableTextService\en-US\dwm.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "dwm" /sc ONLOGON /tr "'%ProgramFiles(x86)%\Windows NT\TableTextService\en-US\dwm.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'%ProgramFiles(x86)%\Windows NT\TableTextService\en-US\dwm.exe'" /f
'<SYSTEM32>\schtasks.exe' /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-1000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "spoolsv" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0011-0000-1000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-1000-0000000FF1CE}-C\spoolsv.exe'" /f
'<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\kms\lsm.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 6 /tr "'C:\kms\lsm.exe'" /f
'<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\kms\lsm.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "lsm" /sc ONLOGON /tr "'C:\kms\lsm.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "lsml" /sc MINUTE /mo 11 /tr "'C:\kms\lsm.exe'" /f
'<SYSTEM32>\schtasks.exe' /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\services.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\services.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Recovery\4d53d3aa-5835-11ef-baad-8f07b80b2fb5\services.exe'" /f
'<SYSTEM32>\find.exe' /i /v "md5"
'<SYSTEM32>\find.exe' /i /v "certutil"
'<SYSTEM32>\certutil.exe' -hashfile "<Полный путь к файлу>" MD5
'<SYSTEM32>\cmd.exe' /c certutil -hashfile "<Полный путь к файлу>" MD5 | find /i /v "md5" | find /i /v "certutil"
'<SYSTEM32>\mode.com' con cols=75 lines=15
'<SYSTEM32>\cmd.exe' /c mode con cols=75 lines=15
'<SYSTEM32>\cmd.exe' /c cls
'<SYSTEM32>\mode.com' con cols=90 lines=27
'<SYSTEM32>\chcp.com' 65001
'<SYSTEM32>\ping.exe' -n 10 localhost
'<SYSTEM32>\ntoskrnl2.exe' (со скрытым окном)
Curing recommendations
Windows
macOS
Linux
Android
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 .
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
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.
Find out more about Dr.Web for Android
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