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ニュース

Trojan.DownLoader34.56876

Added to the Dr.Web virus database: 2020-09-29

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.d0e409c5da0eba84\ecoo.edat
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\setup.def
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\stats.ini.tmp
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\avbugreport_x64_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\avdump_x64_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\avdump_x86_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\offertool_x64_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\sbr_x64_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswba41b1c69ccae86b.tmp
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw934134e85d154864.tmp
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\servers.def.lkg
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\uat_2380.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw185fca58757fd31d.tmp
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswfe50f2aacb7aeb66.tmp
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw904901a3292317cd.tmp
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\uat_2148.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\program.def
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\part-jrog2-f.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\part-vps_windows-20092707.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\vps.def
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\gcapi_16013535862596.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\gcapi_1601353586784.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswa6857f0f0cdf8ef8.tmp
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw33cb9ed66377b0e2.tmp
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.8542c8c4-5594-45d8-b177-1732b4a62847
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\config.ini
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.94d45644-0dbe-4c5c-a931-312aeda329a7
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\servers.def
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\config.def
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\config.def.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\instup.exe
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\instcont_x64_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\instup.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\instup_x64_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\part-jrog2-69d.vpx
  • %WINDIR%\temp\asw.d0e409c5da0eba84\avast_free_antivirus_setup_online_x64.exe
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\part-prg_ais-14070979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\part-vps_windows-20090100.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\prod-vps.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\servers.def.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\htmlayout.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\setgui_x64_ais-979.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\prod-pgm.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\uat.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\uat64.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\uata64.vpx
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\config.def.new
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\part-setup_ais-14070979.vpx
  • C:\users\public\documents\aswoffertool.exe
  • C:\users\public\documents\gcapi_16013535872376.dll
Deletes the following files
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\uat_2380.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\uat_2148.dll
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\gcapi_16013535862596.dll
  • C:\users\public\documents\gcapi_16013535872376.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\gcapi_1601353586784.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.94d45644-0dbe-4c5c-a931-312aeda329a7 to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • from %WINDIR%\temp\asw.d0e409c5da0eba84\ecoo.edat to %WINDIR%\temp\asw.8d2e1b3a0900176c\cookie.bin
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\config.def.new to %WINDIR%\temp\asw.8d2e1b3a0900176c\config.def
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.8542c8c4-5594-45d8-b177-1732b4a62847 to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\stats.ini.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\stats.ini
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswba41b1c69ccae86b.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\avbugreport.exe
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw934134e85d154864.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\avdump.exe
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw185fca58757fd31d.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\instup.exe
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswa6857f0f0cdf8ef8.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\instup.dll
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw33cb9ed66377b0e2.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswoffertool.exe
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswfe50f2aacb7aeb66.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\sbr.exe
  • from %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\asw904901a3292317cd.tmp to %WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.8d2e1b3a0900176c\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://r3######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
  • http://b7######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://b7######.iavs9x.u.avast.com/iavs9x/avbugreport_x64_ais-979.vpx
  • http://b7######.iavs9x.u.avast.com/iavs9x/avdump_x64_ais-979.vpx
  • http://b7######.iavs9x.u.avast.com/iavs9x/avdump_x86_ais-979.vpx
  • http://b7######.iavs9x.u.avast.com/iavs9x/offertool_x64_ais-979.vpx
  • http://b7######.iavs9x.u.avast.com/iavs9x/sbr_x64_ais-979.vpx
  • http://y9######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://f3######.vps18tiny.u.avcdn.net/vps18tiny/prod-vps.vpx
  • http://f3######.vps18tiny.u.avcdn.net/vps18tiny/part-jrog2-f.vpx
  • http://f3######.vps18tiny.u.avcdn.net/vps18tiny/part-vps_windows-20092707.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 y9######.iavs9x.u.avast.com
    • DNS ASK ss#.####le-analytics.com
    • DNS ASK 2.###l.ntp.org
    • DNS ASK 1.###l.ntp.org
    • DNS ASK 0.###l.ntp.org
    • DNS ASK al#####qs.ff.avast.com
    • DNS ASK al########nse-dealer.ff.avast.com
    • DNS ASK s1######.vps18tiny.u.avcdn.net
    • DNS ASK s-#####tiny.avcdn.net
    • DNS ASK p9######.vps18tiny.u.avcdn.net
    • DNS ASK h4######.vps18tiny.u.avcdn.net
    • DNS ASK f3######.vps18tiny.u.avcdn.net
    • DNS ASK s1######.iavs9x.u.avast.com
    • DNS ASK b8######.iavs9x.u.avast.com
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK r3######.iavs9x.u.avast.com
    • DNS ASK p9######.iavs9x.u.avast.com
    • DNS ASK l2######.iavs9x.u.avast.com
    • DNS ASK d3######.iavs9x.u.avast.com
    • DNS ASK b7######.iavs9x.u.avast.com
    • DNS ASK sh#####d.ff.avast.com
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK go#####analytics.com
    • DNS ASK n4######.iavs9x.u.avast.com
    • DNS ASK 3.###l.ntp.org
    • DNS ASK l4######.iavs9x.u.avast.com
    • '2.###l.ntp.org':123
    • '0.###l.ntp.org':123
    • '1.###l.ntp.org':123
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\temp\asw.d0e409c5da0eba84\avast_free_antivirus_setup_online_x64.exe' /cookie:mmm_ava_tst_005_724_a /ga_clientid:de0440cb-6a4d-4abf-81c6-af35ed86303c /edat_dir:%WINDIR%\Temp\asw.d0e409c5da0eba84
    • '%WINDIR%\temp\asw.8d2e1b3a0900176c\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.8d2e1b3a0900176c /edition:1 /prod:ais /guid:c7a84f23-616a-455e-a952-fc257679df19 /ga_clientid:de0440cb-6a4d-4abf-81c6-af35ed86303c /cookie:mmm_ava_tst_00...
    • '%WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.8d2e1b3a0900176c /edition:1 /prod:ais /guid:c7a84f23-616a-455e-a952-fc257679df19 /ga_clientid:de0440cb-6a4d-4abf-81c6-af35ed86303c /cookie:mmm_ava_tst_005_724...
    • '%WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AVFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AVFA
    • '%WINDIR%\temp\asw.8d2e1b3a0900176c\new_14070979\aswoffertool.exe' -checkGToolbar -elevated

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