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Trojan.Siggen12.17093

Added to the Dr.Web virus database: 2021-02-28

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.ee717d28c7560a9e\ecoo.edat
  • %WINDIR%\temp\asw.faec6bca254ca50d\setup.def
  • %WINDIR%\temp\asw.faec6bca254ca50d\stats.ini.tmp
  • %WINDIR%\temp\asw.faec6bca254ca50d\avbugreport_x64_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\avdump_x64_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\avdump_x86_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\offertool_x64_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\sbr_x64_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw6ea20c07ad5568d5.tmp
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw961525ee5fdf0d08.tmp
  • %WINDIR%\temp\asw.faec6bca254ca50d\servers.def.lkg
  • %WINDIR%\temp\asw.faec6bca254ca50d\uat_3068.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw169bcc64e1d6b562.tmp
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswc954cd38dacf1b35.tmp
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw07d4feccc133754c.tmp
  • %WINDIR%\temp\asw.faec6bca254ca50d\uat_1036.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\program.def
  • %WINDIR%\temp\asw.faec6bca254ca50d\part-jrog2-23.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\part-vps_windows-21022607.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\vps.def
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\gcapi_16145466712620.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\gcapi_16145466722380.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswcb2982d7e91500c5.tmp
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswda433f1ebcbee8fa.tmp
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.a3f99bd3-c0a0-460a-a9ef-e53252385c9c
  • %WINDIR%\temp\asw.faec6bca254ca50d\config.ini
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.b430defc-d2c5-438c-8d0f-0432734f4a49
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • %WINDIR%\temp\asw.faec6bca254ca50d\servers.def
  • %WINDIR%\temp\asw.faec6bca254ca50d\config.def
  • %WINDIR%\temp\asw.faec6bca254ca50d\config.def.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\instup.exe
  • %WINDIR%\temp\asw.faec6bca254ca50d\instcont_x64_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\instup.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\instup_x64_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\part-jrog2-80e.vpx
  • %WINDIR%\temp\asw.ee717d28c7560a9e\avast_free_antivirus_setup_online_x64.exe
  • %WINDIR%\temp\asw.faec6bca254ca50d\part-prg_ais-15010991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\part-vps_windows-21020702.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\prod-pgm.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\prod-vps.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\servers.def.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\htmlayout.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\setgui_x64_ais-991.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\uat.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\uat64.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\uata64.vpx
  • %WINDIR%\temp\asw.faec6bca254ca50d\config.def.new
  • %WINDIR%\temp\asw.faec6bca254ca50d\part-setup_ais-15010991.vpx
  • C:\users\public\documents\aswoffertool.exe
  • C:\users\public\documents\gcapi_16145466732668.dll
Deletes the following files
  • %WINDIR%\temp\asw.faec6bca254ca50d\uat_3068.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\uat_1036.dll
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\gcapi_16145466712620.dll
  • C:\users\public\documents\gcapi_16145466732668.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\gcapi_16145466722380.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.b430defc-d2c5-438c-8d0f-0432734f4a49 to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • from %WINDIR%\temp\asw.ee717d28c7560a9e\ecoo.edat to %WINDIR%\temp\asw.faec6bca254ca50d\cookie.bin
  • from %WINDIR%\temp\asw.faec6bca254ca50d\config.def.new to %WINDIR%\temp\asw.faec6bca254ca50d\config.def
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.a3f99bd3-c0a0-460a-a9ef-e53252385c9c to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • from %WINDIR%\temp\asw.faec6bca254ca50d\stats.ini.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\stats.ini
  • from %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw6ea20c07ad5568d5.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\avbugreport.exe
  • from %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw961525ee5fdf0d08.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\avdump.exe
  • from %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw169bcc64e1d6b562.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\instup.exe
  • from %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswcb2982d7e91500c5.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\instup.dll
  • from %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswda433f1ebcbee8fa.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswoffertool.exe
  • from %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswc954cd38dacf1b35.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\sbr.exe
  • from %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\asw07d4feccc133754c.tmp to %WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.faec6bca254ca50d\config.def.new
Network activity
Connects to
  • 'go#####analytics.com':80
  • 'v7#####.stats.avast.com':80
  • 'ia####.u.avast.com':443
  • 'ia####.u.avast.com':80
  • 'v7#####.stats.avast.com':443
  • 'sh#####d.ff.avast.com':443
  • 'r3######.iavs9x.u.avast.com':80
  • 'y9######.vps18tiny.u.avcdn.net':80
  • 'al########nse-dealer.ff.avast.com':443
  • 'al#####qs.ff.avast.com':443
  • 'ss#.####le-analytics.com':443
TCP
HTTP GET requests
  • http://l2######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://l2######.iavs9x.u.avast.com/iavs9x/avbugreport_x64_ais-991.vpx
  • http://l2######.iavs9x.u.avast.com/iavs9x/avdump_x64_ais-991.vpx
  • http://l2######.iavs9x.u.avast.com/iavs9x/avdump_x86_ais-991.vpx
  • http://l2######.iavs9x.u.avast.com/iavs9x/offertool_x64_ais-991.vpx
  • http://l2######.iavs9x.u.avast.com/iavs9x/sbr_x64_ais-991.vpx
  • http://l4######.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-jrog2-23.vpx
  • http://h4######.vps18tiny.u.avcdn.net/vps18tiny/part-vps_windows-21022607.vpx
HTTP POST requests
  • http://www.go#####analytics.com/collect
  • http://v7#####.stats.avast.com/cgi-bin/iavsevents.cgi
  • 'ia####.u.avast.com':443
  • '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 go#####analytics.com
    • DNS ASK h4######.vps18tiny.u.avcdn.net
    • 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 al#####qs.ff.avast.com
    • DNS ASK al########nse-dealer.ff.avast.com
    • DNS ASK y9######.vps18tiny.u.avcdn.net
    • DNS ASK s-#####tiny.avcdn.net
    • DNS ASK n2######.vps18tiny.u.avcdn.net
    • DNS ASK n4######.iavs9x.u.avast.com
    • DNS ASK d3######.vps18tiny.u.avcdn.net
    • DNS ASK b7######.iavs9x.u.avast.com
    • DNS ASK r3######.iavs9x.u.avast.com
    • DNS ASK r0######.iavs9x.u.avast.com
    • DNS ASK n2######.iavs9x.u.avast.com
    • DNS ASK l2######.iavs9x.u.avast.com
    • DNS ASK b8######.iavs9x.u.avast.com
    • DNS ASK sh#####d.ff.avast.com
    • DNS ASK ia####.u.avast.com
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK l4######.iavs9x.u.avast.com
    • DNS ASK ss#.####le-analytics.com
    • DNS ASK s-####9x.avcdn.net
    • '0.###l.ntp.org':123
    • '1.###l.ntp.org':123
    • '3.###l.ntp.org':123
    • '2.###l.ntp.org':123
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\temp\asw.ee717d28c7560a9e\avast_free_antivirus_setup_online_x64.exe' /cookie:mmm_ava_012_999_i5b_m /ga_clientid:d7bf3877-7d11-4fe9-b7b9-72381a4bff8f /edat_dir:%WINDIR%\Temp\asw.ee717d28c7560a9e
    • '%WINDIR%\temp\asw.faec6bca254ca50d\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.faec6bca254ca50d /edition:1 /prod:ais /guid:73846a5e-0024-4455-93b2-f0604c8cacbd /ga_clientid:d7bf3877-7d11-4fe9-b7b9-72381a4bff8f /cookie:mmm_ava_012_99...
    • '%WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.faec6bca254ca50d /edition:1 /prod:ais /guid:73846a5e-0024-4455-93b2-f0604c8cacbd /ga_clientid:d7bf3877-7d11-4fe9-b7b9-72381a4bff8f /cookie:mmm_ava_012_999_i5b...
    • '%WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswoffertool.exe' -checkGToolbar -elevated
    • '%WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.faec6bca254ca50d\new_15010991\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AVFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AVFA

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