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ニュース

Trojan.DownLoader34.56243

Added to the Dr.Web virus database: 2020-09-28

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.81ff8f905049be76\ecoo.edat
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\uat_884.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\setup.def
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\stats.ini.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\avbugreport_x64_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\avdump_x64_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\avdump_x86_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\offertool_x64_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\sbr_x64_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw0ca7a7c8dd7f17c8.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswc9139b16c7131195.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswbd644088ab343008.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw6828f5047cf60666.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw68fd914691a54896.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw5640a0e74363b8ac.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswa961ea6f463560fb.tmp
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\uat_972.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\program.def
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\part-jrog2-e.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\part-vps_windows-20092605.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\vps.def
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\gcapi_16013415212168.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\gcapi_16013415212232.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\gcapi_16013415221320.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\servers.def.lkg
  • C:\users\public\documents\aswoffertool.exe
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\config.ini
  • %WINDIR%\temp\asw.81ff8f905049be76\avast_free_antivirus_setup_online_x64.exe
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.a85c9e47-f573-4bfd-b481-7e789abcc24c
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\servers.def
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\config.def
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\config.def.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\instup.exe
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\instcont_x64_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\instup.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\instup_x64_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\part-jrog2-69d.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\part-prg_ais-14070979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\part-setup_ais-14070979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\part-vps_windows-20090100.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\prod-pgm.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\servers.def.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\htmlayout.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\setgui_x64_ais-979.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\uat.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\uat64.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\uata64.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\prod-vps.vpx
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\config.def.new
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.8821b9fb-c88f-48db-b12c-d50bfdf2b8fb
  • C:\users\public\documents\gcapi_16013415221888.dll
Deletes the following files
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\uat_884.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\uat_972.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\gcapi_16013415212168.dll
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\gcapi_16013415212232.dll
  • C:\users\public\documents\gcapi_16013415221888.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\gcapi_16013415221320.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.a85c9e47-f573-4bfd-b481-7e789abcc24c to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • from %WINDIR%\temp\asw.81ff8f905049be76\ecoo.edat to %WINDIR%\temp\asw.ceea11e3d2752cf3\cookie.bin
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\config.def.new to %WINDIR%\temp\asw.ceea11e3d2752cf3\config.def
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.8821b9fb-c88f-48db-b12c-d50bfdf2b8fb to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\stats.ini.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\stats.ini
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw0ca7a7c8dd7f17c8.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\avbugreport.exe
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswc9139b16c7131195.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\avdump.exe
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswbd644088ab343008.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\instup.exe
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw6828f5047cf60666.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\instup.dll
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw68fd914691a54896.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswoffertool.exe
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\asw5640a0e74363b8ac.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\sbr.exe
  • from %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswa961ea6f463560fb.tmp to %WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.ceea11e3d2752cf3\config.def.new
Network activity
TCP
HTTP GET requests
  • http://ia####.u.avast.com/iavs9x/avast_free_antivirus_setup_online_x64.exe
  • http://www.go#####analytics.com/collect?ai#######################################################################################################################################################...
  • http://z4######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
  • http://r3######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://r3######.iavs9x.u.avast.com/iavs9x/avbugreport_x64_ais-979.vpx
  • http://r3######.iavs9x.u.avast.com/iavs9x/avdump_x64_ais-979.vpx
  • http://r3######.iavs9x.u.avast.com/iavs9x/avdump_x86_ais-979.vpx
  • http://r3######.iavs9x.u.avast.com/iavs9x/offertool_x64_ais-979.vpx
  • http://r3######.iavs9x.u.avast.com/iavs9x/sbr_x64_ais-979.vpx
  • http://y8######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://h4######.vps18tiny.u.avcdn.net/vps18tiny/prod-vps.vpx
  • http://h4######.vps18tiny.u.avcdn.net/vps18tiny/part-jrog2-e.vpx
  • http://h4######.vps18tiny.u.avcdn.net/vps18tiny/part-vps_windows-20092605.vpx
HTTP POST requests
  • http://www.go#####analytics.com/collect
  • http://v7#####.stats.avast.com/cgi-bin/iavsevents.cgi
  • 'v7#####.stats.avast.com':443
  • 'sh#####d.ff.avast.com':443
  • 'al########nse-dealer.ff.avast.com':443
  • 'al#####qs.ff.avast.com':443
  • 'ss#.####le-analytics.com':443
    • UDP
    • DNS ASK ia####.u.avast.com
    • DNS ASK z4######.vps18tiny.u.avcdn.net
    • DNS ASK 3.###l.ntp.org
    • DNS ASK n8######.vps18tiny.u.avcdn.net
    • DNS ASK s-#####tiny.avcdn.net
    • DNS ASK t1######.vps18tiny.u.avcdn.net
    • DNS ASK al#####qs.ff.avast.com
    • DNS ASK al########nse-dealer.ff.avast.com
    • DNS ASK l2######.vps18tiny.u.avcdn.net
    • DNS ASK 0.###l.ntp.org
    • DNS ASK 1.###l.ntp.org
    • DNS ASK ss#.####le-analytics.com
    • DNS ASK h4######.vps18tiny.u.avcdn.net
    • DNS ASK 2.###l.ntp.org
    • DNS ASK r6######.iavs9x.u.avast.com
    • DNS ASK r3######.iavs9x.u.avast.com
    • DNS ASK f3######.iavs9x.u.avast.com
    • DNS ASK d3######.iavs9x.u.avast.com
    • DNS ASK z4######.iavs9x.u.avast.com
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK y9######.iavs9x.u.avast.com
    • DNS ASK m0######.iavs9x.u.avast.com
    • DNS ASK y8######.iavs9x.u.avast.com
    • DNS ASK sh#####d.ff.avast.com
    • DNS ASK go#####analytics.com
    • DNS ASK h4######.iavs9x.u.avast.com
    • '1.###l.ntp.org':123
    • '2.###l.ntp.org':123
    • '0.###l.ntp.org':123
    • '3.###l.ntp.org':123
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\temp\asw.81ff8f905049be76\avast_free_antivirus_setup_online_x64.exe' /cookie:mmm_pcv_ppi_003_605_m /ga_clientid:0d2cae0e-19df-49f7-8170-7f594fccd131 /edat_dir:%WINDIR%\Temp\asw.81ff8f905049be76
    • '%WINDIR%\temp\asw.ceea11e3d2752cf3\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.ceea11e3d2752cf3 /edition:1 /prod:ais /guid:96b577af-9c07-4f9f-abd6-76395d986a18 /ga_clientid:0d2cae0e-19df-49f7-8170-7f594fccd131 /cookie:mmm_pcv_ppi_00...
    • '%WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.ceea11e3d2752cf3 /edition:1 /prod:ais /guid:96b577af-9c07-4f9f-abd6-76395d986a18 /ga_clientid:0d2cae0e-19df-49f7-8170-7f594fccd131 /cookie:mmm_pcv_ppi_003_605...
    • '%WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.ceea11e3d2752cf3\new_14070979\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AVFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AVFA

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