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Trojan.Siggen11.62214

Added to the Dr.Web virus database: 2021-02-08

Virus description added:

Technical Information

Modifies file system
Creates the following files
  • %WINDIR%\temp\asw.5d6d79b3ab263574\ecoo.edat
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\setup.def
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\stats.ini.tmp
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\avbugreport_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\avdump_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\avdump_x86_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\offertool_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\sbr_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\asw93644ea9fea560b9.tmp
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswee07cbfc48cdc95b.tmp
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\servers.def.lkg
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\uat_2720.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswa38349592e1c6749.tmp
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswaac49ef174d936b1.tmp
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswc06fd60046349c12.tmp
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\uat_1272.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\program.def
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\part-jrog2-93.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\part-vps_windows-21020603.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\vps.def
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\gcapi_16128367951044.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\gcapi_16128367952988.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\asw00aca2033324cff0.tmp
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswb41a83269c929b9b.tmp
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log.tmp.db4eb0ce-6fb8-4138-a423-f4f0ba3e8f26
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\config.ini
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log.tmp.769b6d04-b319-452c-8185-e2a616875bea
  • %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\servers.def
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\config.def
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\config.def.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\instup.exe
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\instcont_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\instup.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\instup_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\part-jrog2-696.vpx
  • %WINDIR%\temp\asw.5d6d79b3ab263574\avg_antivirus_free_setup_x64.exe
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\part-prg_ais-140a0c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\part-vps_windows-20120704.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\prod-pgm.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\prod-vps.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\servers.def.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\htmlayout.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\setgui_x64_ais-c55.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\uat.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\uata64.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\uat64.vpx
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\config.def.new
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\part-setup_ais-140a0c55.vpx
  • C:\users\public\documents\aswoffertool.exe
  • C:\users\public\documents\gcapi_1612836796516.dll
Deletes the following files
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\uat_2720.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\uat_1272.dll
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\gcapi_16128367951044.dll
  • C:\users\public\documents\gcapi_1612836796516.dll
  • C:\users\public\documents\aswoffertool.exe
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\gcapi_16128367952988.dll
Moves the following files
  • from %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log.tmp.769b6d04-b319-452c-8185-e2a616875bea to %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\setup.log
  • from %WINDIR%\temp\asw.5d6d79b3ab263574\ecoo.edat to %WINDIR%\temp\asw.c31e49f4a68bec8f\cookie.bin
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\config.def.new to %WINDIR%\temp\asw.c31e49f4a68bec8f\config.def
  • from %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log.tmp.db4eb0ce-6fb8-4138-a423-f4f0ba3e8f26 to %ALLUSERSPROFILE%\avg\persistent data\antivirus\logs\event_manager.log
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\stats.ini.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\stats.ini
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\asw93644ea9fea560b9.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\avbugreport.exe
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswee07cbfc48cdc95b.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\avdump.exe
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswa38349592e1c6749.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\instup.exe
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\asw00aca2033324cff0.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\instup.dll
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswb41a83269c929b9b.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswoffertool.exe
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswaac49ef174d936b1.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\sbr.exe
  • from %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswc06fd60046349c12.tmp to %WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\htmlayout.dll
Substitutes the following files
  • %WINDIR%\temp\asw.c31e49f4a68bec8f\config.def.new
Network activity
Connects to
  • 'go#####analytics.com':80
  • 'ia####.avg.u.avcdn.net':443
  • 'v7#####.stats.avast.com':80
  • 'ia####.avg.u.avcdn.net':80
  • 'v7#####.stats.avcdn.net':443
  • 'sh####rd.avcdn.net':443
  • 'y7######.iavs9x.avg.u.avcdn.net':80
  • 'x8######.iavs9x.avg.u.avcdn.net':80
  • 's5######.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://k6######.iavs9x.avg.u.avcdn.net/avg/iavs9x/servers.def.vpx
  • http://g5######.iavs9x.avg.u.avcdn.net/avg/iavs9x/prod-pgm.vpx
  • http://g5######.iavs9x.avg.u.avcdn.net/avg/iavs9x/avbugreport_x64_ais-c55.vpx
  • http://g5######.iavs9x.avg.u.avcdn.net/avg/iavs9x/avdump_x64_ais-c55.vpx
  • http://g5######.iavs9x.avg.u.avcdn.net/avg/iavs9x/avdump_x86_ais-c55.vpx
  • http://g5######.iavs9x.avg.u.avcdn.net/avg/iavs9x/offertool_x64_ais-c55.vpx
  • http://g5######.iavs9x.avg.u.avcdn.net/avg/iavs9x/sbr_x64_ais-c55.vpx
  • http://h2######.iavs9x.avg.u.avcdn.net/avg/iavs9x/prod-pgm.vpx
  • http://p5######.avi18tiny.u.avcdn.net/avi18tiny/prod-vps.vpx
  • http://p5######.avi18tiny.u.avcdn.net/avi18tiny/part-jrog2-93.vpx
  • http://p5######.avi18tiny.u.avcdn.net/avi18tiny/part-vps_windows-21020603.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.avast.com':443
  • 'sh####rd.avcdn.net':443
  • 'al########nse-dealer.ff.avast.com':443
  • 'al#####qs.ff.avast.com':443
  • 'v7#####.stats.avcdn.net':443
  • 'ss#.####le-analytics.com':443
    • UDP
    • DNS ASK go#####analytics.com
    • 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 x8######.iavs9x.avg.u.avcdn.net
    • DNS ASK al########nse-dealer.ff.avast.com
    • DNS ASK s5######.avi18tiny.u.avcdn.net
    • DNS ASK s-#####tiny.avcdn.net
    • DNS ASK p5######.avi18tiny.u.avcdn.net
    • DNS ASK l9######.avi18tiny.u.avcdn.net
    • DNS ASK d9######.avi18tiny.u.avcdn.net
    • DNS ASK l8######.iavs9x.avg.u.avcdn.net
    • DNS ASK ia####.avg.u.avcdn.net
    • DNS ASK al#####qs.ff.avast.com
    • DNS ASK s5######.iavs9x.avg.u.avcdn.net
    • DNS ASK v7#####.stats.avast.com
    • DNS ASK v7#####.stats.avcdn.net
    • DNS ASK sh####rd.avcdn.net
    • DNS ASK k8######.iavs9x.avg.u.avcdn.net
    • DNS ASK k6######.iavs9x.avg.u.avcdn.net
    • DNS ASK g5######.iavs9x.avg.u.avcdn.net
    • DNS ASK s-####9x.avcdn.net
    • DNS ASK h2######.iavs9x.avg.u.avcdn.net
    • DNS ASK y7######.iavs9x.avg.u.avcdn.net
    • DNS ASK f4######.iavs9x.avg.u.avcdn.net
    • DNS ASK p5######.iavs9x.avg.u.avcdn.net
    • DNS ASK ss#.####le-analytics.com
    • '2.###l.ntp.org':123
    • '0.###l.ntp.org':123
    • '1.###l.ntp.org':123
    • '3.###l.ntp.org':123
    Miscellaneous
    Creates and executes the following
    • '%WINDIR%\temp\asw.5d6d79b3ab263574\avg_antivirus_free_setup_x64.exe' /cookie:mmm_bav_013_999_r4l_m /ga_clientid:eb644a79-d4f0-4122-93b2-95d7303efe27 /edat_dir:%WINDIR%\Temp\asw.5d6d79b3ab263574
    • '%WINDIR%\temp\asw.c31e49f4a68bec8f\instup.exe' /sfx:lite /sfxstorage:%WINDIR%\Temp\asw.c31e49f4a68bec8f /edition:15 /prod:ais /guid:a529233e-7f67-4883-ac3b-e8a0c1df256c /ga_clientid:eb644a79-d4f0-4122-93b2-95d7303efe27 /cookie:mmm_bav_013_9...
    • '%WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\instup.exe' /sfx /sfxstorage:%WINDIR%\Temp\asw.c31e49f4a68bec8f /edition:15 /prod:ais /guid:a529233e-7f67-4883-ac3b-e8a0c1df256c /ga_clientid:eb644a79-d4f0-4122-93b2-95d7303efe27 /cookie:mmm_bav_013_999_r4...
    • '%WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswoffertool.exe' -checkChrome -elevated
    • '%WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\aswoffertool.exe' -checkChromeReactivation -elevated -bc=AWFA
    • 'C:\users\public\documents\aswoffertool.exe' -checkChromeReactivation -bc=AWFA
    • '%WINDIR%\temp\asw.c31e49f4a68bec8f\new_140a0c55\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.
    2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
      • 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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