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Trojan.DownLoader33.7748
Added to the Dr.Web virus database:
2020-02-27
Virus description added:
2020-03-02
Technical Information
Malicious functions
Injects code into
the following system processes:
%WINDIR%\syswow64\rundll32.exe
Modifies file system
Creates the following files
%TEMP%\rarsfx0\4569.exe
%TEMP%\rarsfx0\8742.exe
%TEMP%\~33569.tmp
Deletes the following files
%TEMP%\~33569.tmp
%TEMP%\rarsfx0\4569.exe
%TEMP%\rarsfx0\8742.exe
Substitutes the following files
Network activity
TCP
HTTP GET requests
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_6640A688_0_started_ext_ALRRR_A_OSBBB_64_OSNNN_Windows_7_Ente...
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_23_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_24_process_dwm.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_25_process_explorer.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_26_process_spoolsv.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_27_process_taskhost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_28_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_29_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_30_process_mdm.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_31_process_WUDFHost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_6_process_System
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_32_process_iexplore.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_34_process_iexplore.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_35_process_audiodg.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_36_process_rundll32.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_37_process_cmd.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_38_process_rundll32.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_39_process_cmd.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_40_process_conhost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_41_process_conhost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_42_process_systeminfo.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_21_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_22_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_20_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_19_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_18_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_1_step_0
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_6640A688_1_step_0
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_2_step_1
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_6640A688_2_step_1
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_3_already_ok
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_6640A688_3_already_active
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_4_mark_ok
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_6640A688_4_finished
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_5_process__System_Process_
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_43_process_systeminfo.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_33_process_firefox.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_4_watch2_start_628_659
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_9_process_csrss.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_10_process_wininit.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_10_watch2_finish_575_663__1
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_11_process_csrss.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_13_process_winlogon.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_14_process_services.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_15_process_lsass.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_16_process_lsm.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_17_process_svchost.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_0_started_ext_ALRRR_N_OSBBB_64_OSNNN_Windows_7_Ente...
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_8_process_smss.exe
http://jp##.co.kr/report_N_0046_7CC7B0FD3104CA01-781319454D88D001-F01343A37587D001-D291988E7587D001_65636878746970_75736572_BB7153C8_57F294E0_44_step_2
UDP
Miscellaneous
Searches for the following windows
ClassName: 'EDIT' WindowName: ''
Creates and executes the following
'%TEMP%\rarsfx0\4569.exe'
'%TEMP%\rarsfx0\8742.exe'
'%WINDIR%\syswow64\cmd.exe' /C SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && DEL "%TEMP%\RarSFX0\4569.exe"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && DEL "%TEMP%\RarSFX0\8742.exe"' (with hidden window)
Executes the following
'%WINDIR%\syswow64\rundll32.exe' shell32.dll,Control_RunDLL
'%WINDIR%\syswow64\cmd.exe' /C SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && DEL "%TEMP%\RarSFX0\4569.exe"
'%WINDIR%\syswow64\cmd.exe' /C SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && SYSTEMINFO && DEL "%TEMP%\RarSFX0\8742.exe"
'%WINDIR%\syswow64\systeminfo.exe'
Recommandations pour le traitement
Windows
macOS
Linux
Android
Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space .
Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.
Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android . Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
Débranchez votre appareil et rebranchez-le.
En savoir plus sur Dr.Web pour Android
Téléchargez Dr.Web pour Android
Gratuit pour 3 mois
Tous les composants de protection
Renouvellement de la démo via AppGallery/Google Pay
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