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ニュース

Trojan.DownLoader36.30294

Added to the Dr.Web virus database: 2020-12-23

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.3f9791aa88a8267b\ecoo.edat
  • %WINDIR%\temp\asw.80b231b8bb873d75\setup.def
  • %WINDIR%\temp\asw.80b231b8bb873d75\stats.ini.tmp
  • %WINDIR%\temp\asw.80b231b8bb873d75\avbugreport_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\avdump_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\avdump_x86_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\offertool_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\sbr_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\asw3b2cf8dd2d08ebb0.tmp
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswf05c46af906168b8.tmp
  • %WINDIR%\temp\asw.80b231b8bb873d75\servers.def.lkg
  • %WINDIR%\temp\asw.80b231b8bb873d75\uat_1476.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswb2e553739bb62a6b.tmp
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswc11d738d78fb04ba.tmp
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswbd15815088174dd5.tmp
  • %WINDIR%\temp\asw.80b231b8bb873d75\uat_232.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\program.def
  • %WINDIR%\temp\asw.80b231b8bb873d75\part-jrog2-62.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\part-vps_windows-20122299.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\vps.def
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\gcapi_16087686592352.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\gcapi_16087686602668.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswda2ecc4f95b6bb61.tmp
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswbfeeff56610a3d74.tmp
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log.tmp.71bdfbd3-534f-4b82-b7a6-d39dcba1da7e
  • %WINDIR%\temp\asw.80b231b8bb873d75\config.ini
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log.tmp.2f0c9b97-7f13-4590-b704-29d597fcde01
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log
  • %WINDIR%\temp\asw.80b231b8bb873d75\servers.def
  • %WINDIR%\temp\asw.80b231b8bb873d75\config.def
  • %WINDIR%\temp\asw.80b231b8bb873d75\config.def.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\instup.exe
  • %WINDIR%\temp\asw.80b231b8bb873d75\instcont_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\part-jrog2-696.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\instup.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\part-prg_ais-140a0c55.vpx
  • %WINDIR%\temp\asw.3f9791aa88a8267b\avg_antivirus_free_setup_x64.exe
  • %WINDIR%\temp\asw.80b231b8bb873d75\part-setup_ais-140a0c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\prod-pgm.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\prod-vps.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\servers.def.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\uata64.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\uat64.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\instup_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\uat.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\htmlayout.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\setgui_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.80b231b8bb873d75\config.def.new
  • %WINDIR%\temp\asw.80b231b8bb873d75\part-vps_windows-20120704.vpx
  • C:\users\public\documents\aswoffertool.exe
  • C:\users\public\documents\gcapi_16087686612552.dll
Deletes the following files
  • %WINDIR%\temp\asw.80b231b8bb873d75\uat_1476.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\uat_232.dll
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\gcapi_16087686592352.dll
  • C:\users\public\documents\gcapi_16087686612552.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\gcapi_16087686602668.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log.tmp.2f0c9b97-7f13-4590-b704-29d597fcde01 to %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log
  • from %WINDIR%\temp\asw.3f9791aa88a8267b\ecoo.edat to %WINDIR%\temp\asw.80b231b8bb873d75\cookie.bin
  • from %WINDIR%\temp\asw.80b231b8bb873d75\config.def.new to %WINDIR%\temp\asw.80b231b8bb873d75\config.def
  • from %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log.tmp.71bdfbd3-534f-4b82-b7a6-d39dcba1da7e to %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log
  • from %WINDIR%\temp\asw.80b231b8bb873d75\stats.ini.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\stats.ini
  • from %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\asw3b2cf8dd2d08ebb0.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\avbugreport.exe
  • from %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswf05c46af906168b8.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\avdump.exe
  • from %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswb2e553739bb62a6b.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\instup.exe
  • from %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswda2ecc4f95b6bb61.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\instup.dll
  • from %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswbfeeff56610a3d74.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswoffertool.exe
  • from %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswc11d738d78fb04ba.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\sbr.exe
  • from %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswbd15815088174dd5.tmp to %WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.80b231b8bb873d75\config.def.new
Network activity
TCP
HTTP GET requests
  • http://ia####.avg.u.avcdn.net/avg/iavs9x/avg_antivirus_free_setup_x64.exe
  • http://www.go#####analytics.com/collect?ai#######################################################################################################################################################...
  • http://d7######.iavs9x.avg.u.avcdn.net/avg/iavs9x/servers.def.vpx
  • http://h1######.iavs9x.avg.u.avcdn.net/avg/iavs9x/prod-pgm.vpx
  • http://h1######.iavs9x.avg.u.avcdn.net/avg/iavs9x/avbugreport_x64_ais-c55.vpx
  • http://h1######.iavs9x.avg.u.avcdn.net/avg/iavs9x/avdump_x64_ais-c55.vpx
  • http://h1######.iavs9x.avg.u.avcdn.net/avg/iavs9x/avdump_x86_ais-c55.vpx
  • http://h1######.iavs9x.avg.u.avcdn.net/avg/iavs9x/offertool_x64_ais-c55.vpx
  • http://h1######.iavs9x.avg.u.avcdn.net/avg/iavs9x/sbr_x64_ais-c55.vpx
  • http://g5######.iavs9x.avg.u.avcdn.net/avg/iavs9x/prod-pgm.vpx
  • http://l9######.avi18tiny.u.avcdn.net/avi18tiny/prod-vps.vpx
  • http://l9######.avi18tiny.u.avcdn.net/avi18tiny/part-jrog2-62.vpx
  • http://l9######.avi18tiny.u.avcdn.net/avi18tiny/part-vps_windows-20122299.vpx
HTTP POST requests
  • http://www.go#####analytics.com/collect
  • http://v7#####.stats.avast.com/cgi-bin/iavsevents.cgi
  • 'ia####.avg.u.avcdn.net':443
  • 'v7#####.stats.avcdn.net':443
  • 'sh####rd.avcdn.net':443
  • 'al########nse-dealer.ff.avast.com':443
  • 'al#####qs.ff.avast.com':443
  • 'ss#.####le-analytics.com':443
    • UDP
    • DNS ASK go#####analytics.com
    • DNS ASK 3.###l.ntp.org
    • DNS ASK 2.###l.ntp.org
    • DNS ASK 1.###l.ntp.org
    • DNS ASK 0.###l.ntp.org
    • DNS ASK f4######.avi18tiny.u.avcdn.net
    • DNS ASK al########nse-dealer.ff.avast.com
    • DNS ASK x1######.avi18tiny.u.avcdn.net
    • DNS ASK s-#####tiny.avcdn.net
    • DNS ASK l9######.avi18tiny.u.avcdn.net
    • DNS ASK h1######.avi18tiny.u.avcdn.net
    • DNS ASK g5######.avi18tiny.u.avcdn.net
    • DNS ASK y1######.iavs9x.avg.u.avcdn.net
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK al#####qs.ff.avast.com
    • DNS ASK k9######.iavs9x.avg.u.avcdn.net
    • DNS ASK ia####.avg.u.avcdn.net
    • DNS ASK v7#####.stats.avcdn.net
    • DNS ASK sh####rd.avcdn.net
    • DNS ASK x8######.iavs9x.avg.u.avcdn.net
    • DNS ASK d9######.iavs9x.avg.u.avcdn.net
    • DNS ASK d7######.iavs9x.avg.u.avcdn.net
    • DNS ASK j9######.iavs9x.avg.u.avcdn.net
    • DNS ASK p5######.iavs9x.avg.u.avcdn.net
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK g5######.iavs9x.avg.u.avcdn.net
    • DNS ASK h1######.iavs9x.avg.u.avcdn.net
    • DNS ASK ss#.####le-analytics.com
    • '2.###l.ntp.org':123
    • '0.###l.ntp.org':123
    • '1.###l.ntp.org':123
    • '3.###l.ntp.org':123
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\temp\asw.3f9791aa88a8267b\avg_antivirus_free_setup_x64.exe' /cookie:mmm_bav_003_999_h4l_m /ga_clientid:3a920455-d27a-4209-a583-6c7012946449 /edat_dir:%WINDIR%\Temp\asw.3f9791aa88a8267b
    • '%WINDIR%\temp\asw.80b231b8bb873d75\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.80b231b8bb873d75 /edition:15 /prod:ais /guid:cbd4156d-eb74-4cb9-bda3-ffc5734e4d2b /ga_clientid:3a920455-d27a-4209-a583-6c7012946449 /cookie:mmm_bav_003_9...
    • '%WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.80b231b8bb873d75 /edition:15 /prod:ais /guid:cbd4156d-eb74-4cb9-bda3-ffc5734e4d2b /ga_clientid:3a920455-d27a-4209-a583-6c7012946449 /cookie:mmm_bav_003_999_h4...
    • '%WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswoffertool.exe' -checkGToolbar -elevated
    • '%WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.80b231b8bb873d75\new_140a0c55\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AWFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AWFA

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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.
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      • 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);
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