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Trojan.DownLoader34.59058

Added to the Dr.Web virus database: 2020-10-04

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.34b90cacf752f09e\ecoo.edat
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\uat_776.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\setup.def
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\stats.ini.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\avbugreport_x64_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\avdump_x64_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\avdump_x86_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\offertool_x64_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\sbr_x64_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswafa88f2e90c9dca1.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\asw71d1392054d0b1a8.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswd7c795a0a9f85ae6.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswdb680951869d16de.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswe4b40f8bd90d6e6a.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswee2fbe62e1a90f92.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\asw6fa0140e74738510.tmp
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\uat_2700.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\program.def
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\part-jrog2-14.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\part-vps_windows-20100203.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\vps.def
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\gcapi_16018731532668.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\gcapi_16018731531028.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\gcapi_16018731542772.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\servers.def.lkg
  • C:\users\public\documents\aswoffertool.exe
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\config.ini
  • %WINDIR%\temp\asw.34b90cacf752f09e\avast_free_antivirus_setup_online_x64.exe
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.a52739c9-fe74-4ddf-b510-dd232eeffb1e
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\servers.def
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\config.def
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\config.def.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\instup.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\instup_x64_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\part-jrog2-6dd.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\part-prg_ais-1408097d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\part-setup_ais-1408097d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\part-vps_windows-20093000.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\prod-pgm.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\prod-vps.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\servers.def.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\htmlayout.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\setgui_x64_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\uat.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\uat64.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\uata64.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\instup.exe
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\instcont_x64_ais-97d.vpx
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\config.def.new
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.b9e96746-3d8b-431f-aa97-297f69ebba5e
  • C:\users\public\documents\gcapi_16018731542604.dll
Deletes the following files
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\uat_776.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\uat_2700.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\gcapi_16018731532668.dll
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\gcapi_16018731531028.dll
  • C:\users\public\documents\gcapi_16018731542604.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\gcapi_16018731542772.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.a52739c9-fe74-4ddf-b510-dd232eeffb1e to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • from %WINDIR%\temp\asw.34b90cacf752f09e\ecoo.edat to %WINDIR%\temp\asw.ec5bef74d7fa572a\cookie.bin
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\config.def.new to %WINDIR%\temp\asw.ec5bef74d7fa572a\config.def
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.b9e96746-3d8b-431f-aa97-297f69ebba5e to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\stats.ini.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\stats.ini
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswafa88f2e90c9dca1.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\avbugreport.exe
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\asw71d1392054d0b1a8.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\avdump.exe
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswd7c795a0a9f85ae6.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\instup.exe
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswdb680951869d16de.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\instup.dll
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswe4b40f8bd90d6e6a.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswoffertool.exe
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswee2fbe62e1a90f92.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\sbr.exe
  • from %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\asw6fa0140e74738510.tmp to %WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.ec5bef74d7fa572a\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://y8######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
  • http://r0######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://r0######.iavs9x.u.avast.com/iavs9x/avbugreport_x64_ais-97d.vpx
  • http://r0######.iavs9x.u.avast.com/iavs9x/avdump_x64_ais-97d.vpx
  • http://r0######.iavs9x.u.avast.com/iavs9x/avdump_x86_ais-97d.vpx
  • http://r0######.iavs9x.u.avast.com/iavs9x/offertool_x64_ais-97d.vpx
  • http://r0######.iavs9x.u.avast.com/iavs9x/sbr_x64_ais-97d.vpx
  • http://p9######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://g1######.vps18tiny.u.avcdn.net/vps18tiny/prod-vps.vpx
  • http://g1######.vps18tiny.u.avcdn.net/vps18tiny/part-jrog2-14.vpx
  • http://g1######.vps18tiny.u.avcdn.net/vps18tiny/part-vps_windows-20100203.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 go#####analytics.com
    • DNS ASK g1######.vps18tiny.u.avcdn.net
    • DNS ASK 2.###l.ntp.org
    • DNS ASK ss#.####le-analytics.com
    • 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 r9######.vps18tiny.u.avcdn.net
    • DNS ASK p1######.vps18tiny.u.avcdn.net
    • DNS ASK j0######.vps18tiny.u.avcdn.net
    • DNS ASK ia####.u.avast.com
    • DNS ASK y9######.iavs9x.u.avast.com
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK sh#####d.ff.avast.com
    • DNS ASK h4######.iavs9x.u.avast.com
    • DNS ASK p9######.iavs9x.u.avast.com
    • DNS ASK r0######.iavs9x.u.avast.com
    • DNS ASK n2######.iavs9x.u.avast.com
    • DNS ASK t1######.iavs9x.u.avast.com
    • DNS ASK y8######.iavs9x.u.avast.com
    • DNS ASK f3######.iavs9x.u.avast.com
    • DNS ASK l7######.iavs9x.u.avast.com
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK 3.###l.ntp.org
    • DNS ASK p1######.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.34b90cacf752f09e\avast_free_antivirus_setup_online_x64.exe' /cookie:mmm_spg_ppi_003_219_n /ga_clientid:dd464933-fd2e-4207-bf07-bdfe715b2dd7 /edat_dir:%WINDIR%\Temp\asw.34b90cacf752f09e
    • '%WINDIR%\temp\asw.ec5bef74d7fa572a\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.ec5bef74d7fa572a /edition:1 /prod:ais /guid:6911940e-8f32-41ee-979e-1a55dedb83c9 /ga_clientid:dd464933-fd2e-4207-bf07-bdfe715b2dd7 /cookie:mmm_spg_ppi_00...
    • '%WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.ec5bef74d7fa572a /edition:1 /prod:ais /guid:6911940e-8f32-41ee-979e-1a55dedb83c9 /ga_clientid:dd464933-fd2e-4207-bf07-bdfe715b2dd7 /cookie:mmm_spg_ppi_003_219...
    • '%WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.ec5bef74d7fa572a\new_1408097d\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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