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Trojan.DownLoader34.47418

Added to the Dr.Web virus database: 2020-09-18

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.c380ef0f0eed682b\ecoo.edat
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\setup.def
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\stats.ini.tmp
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\avbugreport_x64_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\avdump_x64_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\avdump_x86_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\offertool_x64_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\sbr_x64_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw76cb620b959e31b6.tmp
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw4ee581f1d6c36e76.tmp
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\servers.def.lkg
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\uat_2744.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw3da516e77fb016bb.tmp
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw7a25013d83e57e2d.tmp
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw049734c6a08bae42.tmp
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\uat_2148.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\program.def
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\part-jrog2-2.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\part-vps_windows-20091617.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\vps.def
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\gcapi_16004764542476.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\gcapi_16004764552692.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw99007d166681fefa.tmp
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw7fa65481fb4453c1.tmp
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.b553fdee-bdb3-4572-995a-fa94ccf2fc98
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\config.ini
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.d6e6a841-4ecf-4f2b-8f6b-bc3eb4a53cb6
  • %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\servers.def
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\config.def
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\config.def.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\instup.exe
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\instcont_x64_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\instup.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\instup_x64_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\part-jrog2-69d.vpx
  • %WINDIR%\temp\asw.c380ef0f0eed682b\avast_free_antivirus_setup_online_x64.exe
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\part-prg_ais-14070979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\part-vps_windows-20090100.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\prod-vps.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\servers.def.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\htmlayout.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\setgui_x64_ais-979.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\uat.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\uat64.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\uata64.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\prod-pgm.vpx
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\config.def.new
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\part-setup_ais-14070979.vpx
  • C:\users\public\documents\aswoffertool.exe
  • C:\users\public\documents\gcapi_16004764552836.dll
Deletes the following files
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\uat_2744.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\uat_2148.dll
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\gcapi_16004764542476.dll
  • C:\users\public\documents\gcapi_16004764552836.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\gcapi_16004764552692.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log.tmp.d6e6a841-4ecf-4f2b-8f6b-bc3eb4a53cb6 to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\setup.log
  • from %WINDIR%\temp\asw.c380ef0f0eed682b\ecoo.edat to %WINDIR%\temp\asw.d7bbf691ca1513cf\cookie.bin
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\config.def.new to %WINDIR%\temp\asw.d7bbf691ca1513cf\config.def
  • from %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log.tmp.b553fdee-bdb3-4572-995a-fa94ccf2fc98 to %ALLUSERSPROFILE%\avast software\persistent data\avast\logs\event_manager.log
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\stats.ini.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\stats.ini
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw76cb620b959e31b6.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\avbugreport.exe
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw4ee581f1d6c36e76.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\avdump.exe
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw3da516e77fb016bb.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\instup.exe
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw99007d166681fefa.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\instup.dll
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw7fa65481fb4453c1.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\aswoffertool.exe
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw7a25013d83e57e2d.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\sbr.exe
  • from %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\asw049734c6a08bae42.tmp to %WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.d7bbf691ca1513cf\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://r4######.iavs9x.u.avast.com/iavs9x/servers.def.vpx
  • http://r4######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://r4######.iavs9x.u.avast.com/iavs9x/avbugreport_x64_ais-979.vpx
  • http://r4######.iavs9x.u.avast.com/iavs9x/avdump_x64_ais-979.vpx
  • http://r4######.iavs9x.u.avast.com/iavs9x/avdump_x86_ais-979.vpx
  • http://r4######.iavs9x.u.avast.com/iavs9x/offertool_x64_ais-979.vpx
  • http://r4######.iavs9x.u.avast.com/iavs9x/sbr_x64_ais-979.vpx
  • http://b8######.iavs9x.u.avast.com/iavs9x/prod-pgm.vpx
  • http://b8######.vps18tiny.u.avcdn.net/vps18tiny/prod-vps.vpx
  • http://b8######.vps18tiny.u.avcdn.net/vps18tiny/part-jrog2-2.vpx
  • http://b8######.vps18tiny.u.avcdn.net/vps18tiny/part-vps_windows-20091617.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 f3######.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 r4######.vps18tiny.u.avcdn.net
    • DNS ASK p1######.vps18tiny.u.avcdn.net
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK b8######.vps18tiny.u.avcdn.net
    • DNS ASK ia####.u.avast.com
    • DNS ASK sh#####d.ff.avast.com
    • DNS ASK l7######.iavs9x.u.avast.com
    • DNS ASK r0######.iavs9x.u.avast.com
    • DNS ASK b8######.iavs9x.u.avast.com
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK s1######.iavs9x.u.avast.com
    • DNS ASK y8######.iavs9x.u.avast.com
    • DNS ASK b7######.iavs9x.u.avast.com
    • DNS ASK r4######.iavs9x.u.avast.com
    • DNS ASK ss#.####le-analytics.com
    • DNS ASK h4######.iavs9x.u.avast.com
    • '1.###l.ntp.org':123
    • '2.###l.ntp.org':123
    • '0.###l.ntp.org':123
    • '3.###l.ntp.org':123
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\temp\asw.c380ef0f0eed682b\avast_free_antivirus_setup_online_x64.exe' /cookie:mmm_ava_tst_005_724_f /ga_clientid:52849831-760f-42ad-8951-9169f34720b6 /edat_dir:%WINDIR%\Temp\asw.c380ef0f0eed682b
    • '%WINDIR%\temp\asw.d7bbf691ca1513cf\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.d7bbf691ca1513cf /edition:1 /prod:ais /guid:23d6f85c-37b0-446a-9503-7220fa07d1a1 /ga_clientid:52849831-760f-42ad-8951-9169f34720b6 /cookie:mmm_ava_tst_00...
    • '%WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.d7bbf691ca1513cf /edition:1 /prod:ais /guid:23d6f85c-37b0-446a-9503-7220fa07d1a1 /ga_clientid:52849831-760f-42ad-8951-9169f34720b6 /cookie:mmm_ava_tst_005_724...
    • '%WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AVFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AVFA
    • '%WINDIR%\temp\asw.d7bbf691ca1513cf\new_14070979\aswoffertool.exe' -checkGToolbar -elevated

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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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