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Trojan.Siggen12.26042

Added to the Dr.Web virus database: 2021-03-06

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.ddd6390e96a697c7\ecoo.edat
  • %WINDIR%\temp\asw.376ab91aac51a76a\setup.def
  • %WINDIR%\temp\asw.376ab91aac51a76a\stats.ini.tmp
  • %WINDIR%\temp\asw.376ab91aac51a76a\avbugreport_x64_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\avdump_x64_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\avdump_x86_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\offertool_x64_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\sbr_x64_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw17c60a5fa5f42604.tmp
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw7cf490efd3672fd3.tmp
  • %WINDIR%\temp\asw.376ab91aac51a76a\servers.def.lkg
  • %WINDIR%\temp\asw.376ab91aac51a76a\uat_924.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswae86a99da3a48cb0.tmp
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswa62590e144b302f7.tmp
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw0b67d408c8bd4f59.tmp
  • %WINDIR%\temp\asw.376ab91aac51a76a\uat_788.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\program.def
  • %WINDIR%\temp\asw.376ab91aac51a76a\part-jrog2-2a.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\part-vps_windows-21030307.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\vps.def
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\gcapi_16149884872132.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\gcapi_16149884872684.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswe3d4614c839fc15b.tmp
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw5e35d5638bce7bc9.tmp
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log.tmp.47ca7dda-0456-43a6-90d3-86b10555de2c
  • %WINDIR%\temp\asw.376ab91aac51a76a\config.ini
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log.tmp.2ae3de7f-a9cc-4469-99e1-f0d8cd2c0562
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log
  • %WINDIR%\temp\asw.376ab91aac51a76a\servers.def
  • %WINDIR%\temp\asw.376ab91aac51a76a\config.def
  • %WINDIR%\temp\asw.376ab91aac51a76a\instup.exe
  • %WINDIR%\temp\asw.376ab91aac51a76a\instcont_x64_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\instup.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\instup_x64_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\config.def.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\part-jrog2-726.vpx
  • %WINDIR%\temp\asw.ddd6390e96a697c7\avg_antivirus_free_setup_x64.exe
  • %WINDIR%\temp\asw.376ab91aac51a76a\part-prg_ais-15010c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\part-vps_windows-21020702.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\prod-pgm.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\prod-vps.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\servers.def.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\htmlayout.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\uat.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\uat64.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\uata64.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\setgui_x64_ais-c5c.vpx
  • %WINDIR%\temp\asw.376ab91aac51a76a\config.def.new
  • %WINDIR%\temp\asw.376ab91aac51a76a\part-setup_ais-15010c5c.vpx
  • C:\users\public\documents\aswoffertool.exe
  • C:\users\public\documents\gcapi_16149884882464.dll
Deletes the following files
  • %WINDIR%\temp\asw.376ab91aac51a76a\uat_924.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\uat_788.dll
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\gcapi_16149884872132.dll
  • C:\users\public\documents\gcapi_16149884882464.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\gcapi_16149884872684.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log.tmp.2ae3de7f-a9cc-4469-99e1-f0d8cd2c0562 to %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log
  • from %WINDIR%\temp\asw.ddd6390e96a697c7\ecoo.edat to %WINDIR%\temp\asw.376ab91aac51a76a\cookie.bin
  • from %WINDIR%\temp\asw.376ab91aac51a76a\config.def.new to %WINDIR%\temp\asw.376ab91aac51a76a\config.def
  • from %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log.tmp.47ca7dda-0456-43a6-90d3-86b10555de2c to %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log
  • from %WINDIR%\temp\asw.376ab91aac51a76a\stats.ini.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\stats.ini
  • from %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw17c60a5fa5f42604.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\avbugreport.exe
  • from %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw7cf490efd3672fd3.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\avdump.exe
  • from %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswae86a99da3a48cb0.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\instup.exe
  • from %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswe3d4614c839fc15b.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\instup.dll
  • from %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw5e35d5638bce7bc9.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswoffertool.exe
  • from %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswa62590e144b302f7.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\sbr.exe
  • from %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\asw0b67d408c8bd4f59.tmp to %WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.376ab91aac51a76a\config.def.new
Network activity
Connects to
  • 'ia####.avg.u.avcdn.net':443
  • 'v7#####.stats.avast.com':80
  • 'go#####analytics.com':80
  • 'ia####.avg.u.avcdn.net':80
  • 'v7#####.stats.avcdn.net':443
  • 'sh####rd.avcdn.net':443
  • 's9######.iavs9x.avg.u.avcdn.net':80
  • 'y7######.iavs9x.avg.u.avcdn.net':80
  • 'z3######.avi18tiny.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://y1######.iavs9x.avg.u.avcdn.net/avg/iavs9x/prod-pgm.vpx
  • http://x1######.avi18tiny.u.avcdn.net/avi18tiny/prod-vps.vpx
  • http://x1######.avi18tiny.u.avcdn.net/avi18tiny/part-jrog2-2a.vpx
  • http://x1######.avi18tiny.u.avcdn.net/avi18tiny/part-vps_windows-21030307.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 ia####.avg.u.avcdn.net
    • DNS ASK z3######.avi18tiny.u.avcdn.net
    • DNS ASK y7######.iavs9x.avg.u.avcdn.net
    • DNS ASK s-#####tiny.avcdn.net
    • DNS ASK x1######.avi18tiny.u.avcdn.net
    • DNS ASK x8######.avi18tiny.u.avcdn.net
    • DNS ASK y1######.avi18tiny.u.avcdn.net
    • DNS ASK al########nse-dealer.ff.avast.com
    • DNS ASK k8######.avi18tiny.u.avcdn.net
    • DNS ASK al#####qs.ff.avast.com
    • DNS ASK 0.###l.ntp.org
    • DNS ASK 1.###l.ntp.org
    • DNS ASK 2.###l.ntp.org
    • DNS ASK y1######.iavs9x.avg.u.avcdn.net
    • DNS ASK 3.###l.ntp.org
    • DNS ASK h2######.iavs9x.avg.u.avcdn.net
    • DNS ASK ss#.####le-analytics.com
    • DNS ASK j9######.iavs9x.avg.u.avcdn.net
    • DNS ASK h1######.iavs9x.avg.u.avcdn.net
    • DNS ASK s9######.iavs9x.avg.u.avcdn.net
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK k8######.iavs9x.avg.u.avcdn.net
    • DNS ASK g5######.iavs9x.avg.u.avcdn.net
    • DNS ASK s1######.iavs9x.avg.u.avcdn.net
    • DNS ASK sh####rd.avcdn.net
    • DNS ASK v7#####.stats.avcdn.net
    • DNS ASK go#####analytics.com
    • DNS ASK d9######.iavs9x.avg.u.avcdn.net
    • '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.ddd6390e96a697c7\avg_antivirus_free_setup_x64.exe' /cookie:mmm_bav_999_999_a3c_m /ga_clientid:f7636b23-1acb-4fc1-9ad7-a8a496fe2973 /edat_dir:%WINDIR%\Temp\asw.ddd6390e96a697c7
    • '%WINDIR%\temp\asw.376ab91aac51a76a\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.376ab91aac51a76a /edition:15 /prod:ais /guid:38e56ccc-103c-4fc2-8ceb-94e423d450dd /ga_clientid:f7636b23-1acb-4fc1-9ad7-a8a496fe2973 /cookie:mmm_bav_999_9...
    • '%WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.376ab91aac51a76a /edition:15 /prod:ais /guid:38e56ccc-103c-4fc2-8ceb-94e423d450dd /ga_clientid:f7636b23-1acb-4fc1-9ad7-a8a496fe2973 /cookie:mmm_bav_999_999_a3...
    • '%WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AWFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AWFA
    • '%WINDIR%\temp\asw.376ab91aac51a76a\new_15010c5c\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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