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Trojan.Siggen31.36737

Added to the Dr.Web virus database: 2025-07-03

Virus description added:

Technical Information

To ensure autorun and distribution
Sets the following service settings
  • [HKLM\System\CurrentControlSet\Services\GAMAPMClient] 'Start' = '00000002'
  • [HKLM\System\CurrentControlSet\Services\GAMAPMClient] 'ImagePath' = '%ProgramFiles%\GAM Electronics\APMC\Gam.Samash.Mtna.APM.Client.WS.exe'
Creates the following services
  • 'GAMAPMClient' %ProgramFiles%\GAM Electronics\APMC\Gam.Samash.Mtna.APM.Client.WS.exe
Modifies file system
Creates the following files
  • %ProgramFiles%\gam electronics\apmc\gam.basicservices.dll
  • %ProgramFiles%\gam electronics\apmc\gam.cultures.dll
  • %ProgramFiles%\gam electronics\apmc\gam.data.storage.dll
  • %ProgramFiles%\gam electronics\apmc\gam.data.storage.structures.dll
  • %ProgramFiles%\gam electronics\apmc\gam.general.structures.dll
  • %ProgramFiles%\gam electronics\apmc\gam.intellidoc.context.dll
  • %ProgramFiles%\gam electronics\apmc\gam.lexical.concepts.dll
  • %ProgramFiles%\gam electronics\apmc\gam.lhs.client.dll
  • %ProgramFiles%\gam electronics\apmc\gam.log.dll
  • %ProgramFiles%\gam electronics\apmc\gam.registry.dataprovider.dll
  • %ProgramFiles%\gam electronics\apmc\gam.samash.mtna.apm.client.diagnosisapi.dll
  • %ProgramFiles%\gam electronics\apmc\gam.samash.mtna.apm.client.dll
  • %ProgramFiles%\gam electronics\apmc\gam.samash.mtna.apm.client.ws.exe
  • %ProgramFiles%\gam electronics\apmc\gam.samash.mtna.apm.client.ws.exe.config
  • %ProgramFiles%\gam electronics\apmc\gam.samash.mtna.structures.dll
  • %ProgramFiles%\gam electronics\apmc\gam.security.functional.dll
  • %ProgramFiles%\gam electronics\apmc\gam.selfhostedwebaccess.dll
  • %ProgramFiles%\gam electronics\apmc\httpmultipartparser.dll
  • %ProgramFiles%\gam electronics\apmc\inscfg.cfg
  • %ProgramFiles%\gam electronics\apmc\newtonsoft.json.dll
  • %ProgramFiles%\gam electronics\apmc\version.txt
  • %ProgramFiles%\gam electronics\apmc\filebaseregistry\apmurl.reg.txt
  • %ProgramFiles%\gam electronics\apmc\filebaseregistry\auslastupdatecheck.reg.txt
  • %ProgramFiles%\gam electronics\apmc\filebaseregistry\packagedirectory.reg.txt
  • %ProgramFiles%\gam electronics\apmc\web\default.html
  • %ProgramFiles%\gam electronics\apmc\web\content\bg.jpg
  • %ProgramFiles%\gam electronics\apmc\web\content\blogo.png
  • %ProgramFiles%\gam electronics\apmc\web\content\bootstrap.css
  • %ProgramFiles%\gam electronics\apmc\web\content\cloud-upload.png
  • %ProgramFiles%\gam electronics\apmc\web\content\dropzone.min.css
  • %ProgramFiles%\gam electronics\apmc\web\content\nassim-bold.woff2
  • %ProgramFiles%\gam electronics\apmc\web\content\nassim.woff2
  • %ProgramFiles%\gam electronics\apmc\web\content\refah.png
  • %ProgramFiles%\gam electronics\apmc\web\content\shabnam-fd.woff2
  • %ProgramFiles%\gam electronics\apmc\web\content\site.css
  • %ProgramFiles%\gam electronics\apmc\web\content\sweetalert.css
  • %ProgramFiles%\gam electronics\apmc\web\home\information.html
  • %ProgramFiles%\gam electronics\apmc\web\home\install.html
  • %ProgramFiles%\gam electronics\apmc\web\home\systemmanagement.html
  • %ProgramFiles%\gam electronics\apmc\web\script\bootstrap.bundle.min.js
  • %ProgramFiles%\gam electronics\apmc\web\script\dropzone.min.js
  • %ProgramFiles%\gam electronics\apmc\web\script\information.js
  • %ProgramFiles%\gam electronics\apmc\web\script\install.js
  • %ProgramFiles%\gam electronics\apmc\web\script\jquery-3.5.1.min.js
  • %ProgramFiles%\gam electronics\apmc\web\script\sweetalert.min.js
  • %ProgramFiles%\gam electronics\apmc\web\script\sweetalert.min1.js
  • %ProgramFiles%\gam electronics\apmc\web\script\systemmanagement.js
  • %WINDIR%\temp\5nj1z5ip.0.cs
  • %WINDIR%\temp\5nj1z5ip.cmdline
  • %WINDIR%\temp\5nj1z5ip.out
  • %WINDIR%\temp\csc453.tmp
  • %WINDIR%\temp\res464.tmp
  • %WINDIR%\temp\5nj1z5ip.dll
  • %TEMP%\etilqs_hepyusrnsyhwoyh
  • %TEMP%\etilqs_bjvfsmrcw5dccpb
  • %TEMP%\etilqs_4brl3nzd3pyrsqf
  • %TEMP%\etilqs_p4tmmosrqoqoe6q
  • %TEMP%\etilqs_okp2mchhnavmayg
  • %TEMP%\etilqs_foubog9xnqi5q4s
  • %TEMP%\etilqs_ixkfladeinntesb
  • %TEMP%\etilqs_nh79ayyglx1nqos
Deletes the following files
  • %WINDIR%\temp\res464.tmp
  • %WINDIR%\temp\csc453.tmp
  • %WINDIR%\temp\5nj1z5ip.0.cs
  • %WINDIR%\temp\5nj1z5ip.out
  • %WINDIR%\temp\5nj1z5ip.cmdline
  • %WINDIR%\temp\5nj1z5ip.dll
Network activity
Connects to
  • '34.##9.100.209':443
  • 'co##############e-chains.prod.autograph.services.mozaws.net':443
  • 'au######te.geo.opera.com':80
  • 'au######te.geo.opera.com':443
  • 'google.com':80
  • 'se####.yahoo.com':80
  • 'du###uckgo.com':443
  • 'bing.com':80
  • 'am##on.com':80
  • 'se####.yahoo.com':443
  • 'am##on.com':443
  • 'en.###ipedia.org':80
  • 'en.###ipedia.org':443
TCP
HTTP GET requests
  • http://au######te.geo.opera.com/geolocation/
  • http://www.google.com/favicon.ico
  • http://se####.yahoo.com/favicon.ico
  • http://www.bing.com/s/a/bing_p.ico
  • http://www.am##on.com/favicon.ico
  • http://en.###ipedia.org/favicon.ico
Other
  • '34.##9.100.209':443
  • 'au######te.geo.opera.com':443
  • 'du###uckgo.com':443
  • 'se####.yahoo.com':443
  • 'am##on.com':443
  • 'en.###ipedia.org':443
UDP
  • DNS ASK co##############e-chains.prod.autograph.services.mozaws.net
  • DNS ASK google.com
  • DNS ASK au######te.geo.opera.com
  • DNS ASK se####.yahoo.com
  • DNS ASK du###uckgo.com
  • DNS ASK am##on.com
  • DNS ASK bing.com
  • DNS ASK bi##.#ikimedia.org
  • DNS ASK en.###ipedia.org
Miscellaneous
Searches for the following windows
  • ClassName: 'Opera_MessageWindow' WindowName: '%APPDATA%\Opera Software\Opera Stable'
Creates and executes the following
  • '%ProgramFiles%\gam electronics\apmc\gam.samash.mtna.apm.client.ws.exe'
Executes the following
  • '<SYSTEM32>\cmd.exe' /C sc create GAMAPMClient binpath= "%ProgramFiles%\GAM Electronics\APMC\Gam.Samash.Mtna.APM.Client.WS.exe" start= delayed-auto
  • '<SYSTEM32>\sc.exe' create GAMAPMClient binpath= "%ProgramFiles%\GAM Electronics\APMC\Gam.Samash.Mtna.APM.Client.WS.exe" start= delayed-auto
  • '%ProgramFiles(x86)%\opera\launcher.exe' -noautoupdate -- "http://localhost:2624/Home/Install.html"
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' -noautoupdate --ran-launcher -- http://localhost:2624/Home/Install.html
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera_crashreporter.exe' -noautoupdate --ran-launcher -- http://localhost:2624/Home/Install.html /crash-reporter-parent-id=2868
  • '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%WINDIR%\TEMP\5nj1z5ip.cmdline"
  • '%WINDIR%\microsoft.net\framework64\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%WINDIR%\TEMP\RES464.tmp" "%WINDIR%\Temp\CSC453.tmp"
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=gpu-process --channel="2868.0.796483606\824724700" --enable-proprietary-media-types-playback --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,19,42 --gpu-vendor-id=0x0000 --gpu-...
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=renderer --alt-high-dpi-setting=96 --disable-direct-npapi-requests --enable-deferred-image-decoding --lang=en-US --enable-proprietary-media-types-playback --disable-client-side-phishing-...
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=renderer --alt-high-dpi-setting=96 --disable-direct-npapi-requests --enable-deferred-image-decoding --lang=en-US --enable-proprietary-media-types-playback --extension-process --enable-we...
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.4.2064710145\1373290957" --lang=en-US --no-sandbox --enable-proprietary-media-types-playback /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.5.1119854421\147206823" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.6.2084722392\1864085404" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.7.1630593252\951973083" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.8.500960635\2079052938" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.9.653396419\1705406949" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.10.85319709\61179980" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.11.1733884849\1693134397" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera_crashreporter.exe' --type=utility --channel="2868.4.2064710145\1373290957" --lang=en-US --no-sandbox --enable-proprietary-media-types-playback /prefetch:-645351001 /crash-reporter-parent-id=2780
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.12.124677842\803960540" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.15.945486135\880261130" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.16.42961490\13958448" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="2868.17.1067231623\1967579261" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%WINDIR%\microsoft.net\framework64\v4.0.30319\csc.exe' /noconfig /fullpaths @"%WINDIR%\TEMP\5nj1z5ip.cmdline"' (with hidden window)
  • '%WINDIR%\microsoft.net\framework64\v4.0.30319\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%WINDIR%\TEMP\RES464.tmp" "%WINDIR%\Temp\CSC453.tmp"' (with hidden window)

Curing recommendations

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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);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

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