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ニュース

Trojan.Siggen12.31075

Added to the Dr.Web virus database: 2021-03-09

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.6d724080a30fde8d\ecoo.edat
  • %WINDIR%\temp\asw.85a085e09833d58e\setup.def
  • %WINDIR%\temp\asw.85a085e09833d58e\stats.ini.tmp
  • %WINDIR%\temp\asw.85a085e09833d58e\avbugreport_x64_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\avdump_x64_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\avdump_x86_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\offertool_x64_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\sbr_x64_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw184cdefb60d5e0d7.tmp
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswd3f2ea51042e1d57.tmp
  • %WINDIR%\temp\asw.85a085e09833d58e\servers.def.lkg
  • %WINDIR%\temp\asw.85a085e09833d58e\uat_896.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswfa9ac94a9766efb3.tmp
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw530b2b86b6fbdf8b.tmp
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw678e77bc8dd74a57.tmp
  • %WINDIR%\temp\asw.85a085e09833d58e\uat_880.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\program.def
  • %WINDIR%\temp\asw.85a085e09833d58e\part-jrog2-30.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\part-vps_windows-21030705.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\vps.def
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\gcapi_1615323284264.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\gcapi_16153232842692.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw14b56ef953285556.tmp
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswf52e5601ff230dfe.tmp
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.bc4543fe-6b15-44fb-95cb-ffe2d8627219
  • %WINDIR%\temp\asw.85a085e09833d58e\config.ini
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.7f8930ab-56d1-4a24-bbe5-17beeda0e48b
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • %WINDIR%\temp\asw.85a085e09833d58e\servers.def
  • %WINDIR%\temp\asw.85a085e09833d58e\config.def
  • %WINDIR%\temp\asw.85a085e09833d58e\config.def.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\instup.exe
  • %WINDIR%\temp\asw.85a085e09833d58e\instcont_x64_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\instup.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\instup_x64_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\part-prg_ais-15010991.vpx
  • %WINDIR%\temp\asw.6d724080a30fde8d\avast_free_antivirus_setup_online_x64.exe
  • %WINDIR%\temp\asw.85a085e09833d58e\part-setup_ais-15010991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\part-jrog2-80e.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\prod-pgm.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\prod-vps.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\servers.def.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\htmlayout.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\uat.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\setgui_x64_ais-991.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\uata64.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\uat64.vpx
  • %WINDIR%\temp\asw.85a085e09833d58e\config.def.new
  • %WINDIR%\temp\asw.85a085e09833d58e\part-vps_windows-21020702.vpx
  • C:\users\public\documents\aswoffertool.exe
  • C:\users\public\documents\gcapi_16153232852780.dll
Deletes the following files
  • %WINDIR%\temp\asw.85a085e09833d58e\uat_896.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\uat_880.dll
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\gcapi_1615323284264.dll
  • C:\users\public\documents\gcapi_16153232852780.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\gcapi_16153232842692.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.7f8930ab-56d1-4a24-bbe5-17beeda0e48b to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • from %WINDIR%\temp\asw.6d724080a30fde8d\ecoo.edat to %WINDIR%\temp\asw.85a085e09833d58e\cookie.bin
  • from %WINDIR%\temp\asw.85a085e09833d58e\config.def.new to %WINDIR%\temp\asw.85a085e09833d58e\config.def
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.bc4543fe-6b15-44fb-95cb-ffe2d8627219 to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • from %WINDIR%\temp\asw.85a085e09833d58e\stats.ini.tmp to %WINDIR%\temp\asw.85a085e09833d58e\stats.ini
  • from %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw184cdefb60d5e0d7.tmp to %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\avbugreport.exe
  • from %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswd3f2ea51042e1d57.tmp to %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\avdump.exe
  • from %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswfa9ac94a9766efb3.tmp to %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\instup.exe
  • from %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw14b56ef953285556.tmp to %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\instup.dll
  • from %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswf52e5601ff230dfe.tmp to %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswoffertool.exe
  • from %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw530b2b86b6fbdf8b.tmp to %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\sbr.exe
  • from %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\asw678e77bc8dd74a57.tmp to %WINDIR%\temp\asw.85a085e09833d58e\new_15010991\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.85a085e09833d58e\config.def.new
Network activity
Connects to
  • 'go#####analytics.com':80
  • 'ia####.u.avast.com':443
  • 'v7#####.stats.avast.com':80
  • 'ia####.u.avast.com':80
  • 'v7#####.stats.avast.com':443
  • 'sh#####d.ff.avast.com':443
  • 'y8######.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://f3######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
  • http://d3######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://d3######.iavs9x.u.avast.com/iavs9x/avbugreport_x64_ais-991.vpx
  • http://d3######.iavs9x.u.avast.com/iavs9x/avdump_x64_ais-991.vpx
  • http://d3######.iavs9x.u.avast.com/iavs9x/avdump_x86_ais-991.vpx
  • http://d3######.iavs9x.u.avast.com/iavs9x/offertool_x64_ais-991.vpx
  • http://d3######.iavs9x.u.avast.com/iavs9x/sbr_x64_ais-991.vpx
  • http://r3######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://r9######.vps18tiny.u.avcdn.net/vps18tiny/prod-vps.vpx
  • http://r9######.vps18tiny.u.avcdn.net/vps18tiny/part-jrog2-30.vpx
  • http://r9######.vps18tiny.u.avcdn.net/vps18tiny/part-vps_windows-21030705.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 l7######.vps18tiny.u.avcdn.net
    • 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 w5######.vps18tiny.u.avcdn.net
    • DNS ASK s-#####tiny.avcdn.net
    • DNS ASK r9######.vps18tiny.u.avcdn.net
    • DNS ASK r4######.vps18tiny.u.avcdn.net
    • DNS ASK 3.###l.ntp.org
    • DNS ASK s1######.iavs9x.u.avast.com
    • DNS ASK g1######.iavs9x.u.avast.com
    • DNS ASK y8######.iavs9x.u.avast.com
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK p1######.iavs9x.u.avast.com
    • DNS ASK f3######.iavs9x.u.avast.com
    • DNS ASK d3######.iavs9x.u.avast.com
    • DNS ASK c3######.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 r4######.iavs9x.u.avast.com
    • DNS ASK ss#.####le-analytics.com
    • DNS ASK r3######.iavs9x.u.avast.com
    • '0.###l.ntp.org':123
    • '1.###l.ntp.org':123
    • '2.###l.ntp.org':123
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\temp\asw.6d724080a30fde8d\avast_free_antivirus_setup_online_x64.exe' /cookie:mmm_ava_015_999_g5c_m /ga_clientid:19f0ce0c-687a-4ce3-be35-4001f14024dc /edat_dir:%WINDIR%\Temp\asw.6d724080a30fde8d
    • '%WINDIR%\temp\asw.85a085e09833d58e\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.85a085e09833d58e /edition:1 /prod:ais /guid:ddaf5fdc-29e4-4f57-8d64-4d292e112135 /ga_clientid:19f0ce0c-687a-4ce3-be35-4001f14024dc /cookie:mmm_ava_015_99...
    • '%WINDIR%\temp\asw.85a085e09833d58e\new_15010991\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.85a085e09833d58e /edition:1 /prod:ais /guid:ddaf5fdc-29e4-4f57-8d64-4d292e112135 /ga_clientid:19f0ce0c-687a-4ce3-be35-4001f14024dc /cookie:mmm_ava_015_999_g5c...
    • '%WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswoffertool.exe' -checkGToolbar -elevated
    • '%WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.85a085e09833d58e\new_15010991\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AVFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AVFA

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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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