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Trojan.Siggen32.45871
Added to the Dr.Web virus database:
2026-05-29
Virus description added:
2026-05-31
Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion:
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath '%ALLUSERSPROFILE%'"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath '<SYSTEM32>'"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionProcess 'Dism.exe'"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionProcess 'where.exe'"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoProfile -ExecutionPolicy Bypass -Command Add-MpPreference -ExclusionPath %ALLUSERSPROFILE%
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoProfile -ExecutionPolicy Bypass -Command Add-MpPreference -ExclusionPath C:\Users
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoProfile -ExecutionPolicy Bypass -Command Add-MpPreference -ExclusionPath <SYSTEM32>
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoProfile -ExecutionPolicy Bypass -Command Add-MpPreference -ExclusionProcess Dism.exe
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoProfile -ExecutionPolicy Bypass -Command Add-MpPreference -ExclusionProcess where.exe
Injects code into
the following system processes:
Patches code
in dll
dism.exe process, IPHLPAPI.DLL module
Modifies file system
Creates the following files
Deletes following files that it created itself
%ProgramFiles%\printerdoctor\souths.msi
%TEMP%\is-3sy4ilq3a7.tmp\_isetup\is-tjjru7m7u0.tmp\ada.zip
%TEMP%\is-3sy4ilq3a7.tmp\_isetup\_is7z.dll
%TEMP%\is-3sy4ilq3a7.tmp\_isetup\_isdecmp.dll
%TEMP%\is-sliml89jtj.tmp\<File name>.tmp
Moves the following files
from %TEMP%\is-3sy4ilq3a7.tmp\_isetup\is-tjjru7m7u0.tmp\is-tuch8mvqsg.tmp to %TEMP%\is-3sy4ilq3a7.tmp\_isetup\is-tjjru7m7u0.tmp\ada.zip
from %ProgramFiles%\printerdoctor\is-9wbpj8pclo.tmp to %ProgramFiles%\printerdoctor\unins000.exe
from %ProgramFiles%\printerdoctor\is-zpmjgoi6tu.tmp to %ProgramFiles%\printerdoctor\souths.msi
from %ProgramFiles%\printerdoctor\is-vr3v7moqh8.tmp to %ProgramFiles%\printerdoctor\7.html
from %ProgramFiles%\printerdoctor\7_files\is-vucaiz18jd.tmp to %ProgramFiles%\printerdoctor\7_files\3b24b51bf11404089c4d66acd0c612539c77e7e7
from %ProgramFiles%\printerdoctor\7_files\is-aoiymcd51x.tmp to %ProgramFiles%\printerdoctor\7_files\3ce5793e0e2ab9e3dbc03c1cb23d538c8b86f1b7
from %ProgramFiles%\printerdoctor\7_files\is-ep5j55tkal.tmp to %ProgramFiles%\printerdoctor\7_files\5419.5fab78b2.css
from %ProgramFiles%\printerdoctor\7_files\is-acbsaodq9w.tmp to %ProgramFiles%\printerdoctor\7_files\60bfd4ad01d8d9142d88c3c0b73cea36bf327ea7
from %ProgramFiles%\printerdoctor\7_files\is-ofgq60oucb.tmp to %ProgramFiles%\printerdoctor\7_files\ab676161000051742113c21548ddabe305961c28
from %ProgramFiles%\printerdoctor\7_files\is-jcv7mjzttk.tmp to %ProgramFiles%\printerdoctor\7_files\ab6761610000517421a213a4fe1a6f9b45d3f7f9
from %ProgramFiles%\printerdoctor\7_files\is-d44p6opabv.tmp to %ProgramFiles%\printerdoctor\7_files\ab6761610000517469287c3f1b150bbead642499
from %ProgramFiles%\printerdoctor\7_files\is-j6sfbeaotm.tmp to %ProgramFiles%\printerdoctor\7_files\ab6761610000517487b0c6a4811964bd1b7d701f
from %ProgramFiles%\printerdoctor\7_files\is-qv89v3weaz.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616100005174ae81417d966e209b735b1160
from %ProgramFiles%\printerdoctor\7_files\is-xn05vz2bbq.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616100005174db59e1c017a93648b119f0cc
from %ProgramFiles%\printerdoctor\7_files\is-4iwjejgsrq.tmp to %ProgramFiles%\printerdoctor\7_files\ab6761610000f178d8139dde094f1b2609aeec15
from %ProgramFiles%\printerdoctor\7_files\is-sf1hhceg1z.tmp to %ProgramFiles%\printerdoctor\7_files\ab6761610000f178eaca358712b3fe4ed9814640
from %ProgramFiles%\printerdoctor\7_files\is-vee1eapxg9.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02039b95b846d039d78a2ca6a1
from %ProgramFiles%\printerdoctor\7_files\is-ucjvwwb33v.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e0204f7d57adcdf0c2f2decf4c4
from %ProgramFiles%\printerdoctor\7_files\is-y059huqf3i.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02055b322b3efb78f1082bc799
from %ProgramFiles%\printerdoctor\7_files\is-pwdikmtr2v.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e020cb65bb81eebf25f36de2999
from %ProgramFiles%\printerdoctor\7_files\is-skc60s0q7l.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02105086205323b81177c709d4
from %ProgramFiles%\printerdoctor\7_files\is-2xolwhk09n.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e021ddafc3aa34ad883ff27418f
from %ProgramFiles%\printerdoctor\7_files\is-j768ixgyzm.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02214f0bd9dc1ed0c65ae81760
from %ProgramFiles%\printerdoctor\7_files\is-8m6ejq1jjz.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e0223cc0f0a925845a3de4aca38
from %ProgramFiles%\printerdoctor\7_files\is-attn8d77j4.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e022c1f1f4512c99b738110035a
from %ProgramFiles%\printerdoctor\7_files\is-vfwn9dcpzv.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e022c90628cf534a426e3687b47
from %ProgramFiles%\printerdoctor\7_files\is-7iovucrilc.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e0231eb25ed004dd2e9b6f35d4f
from %ProgramFiles%\printerdoctor\7_files\is-d48aap3tar.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02374f450ee0a6c2036ee01b89
from %ProgramFiles%\printerdoctor\7_files\is-6ji0p1ytkj.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e023b67e4695d120ebfe9ca359a
from %ProgramFiles%\printerdoctor\7_files\is-a4zef6zb7i.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e024117e531f63855d072059d6e
from %ProgramFiles%\printerdoctor\7_files\is-s0za67qrfa.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e025c3742c1e50f5f272c92ae59
from %ProgramFiles%\printerdoctor\7_files\is-tslg41vrbt.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e0265af8f4075f3a6b96866e611
from %ProgramFiles%\printerdoctor\7_files\is-hntrewi3lg.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02685b70d40ae9fffdcc242a0a
from %ProgramFiles%\printerdoctor\7_files\is-c8y1f9n2hj.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e026a4175046856b90a9b5d67a1
from %ProgramFiles%\printerdoctor\7_files\is-fa7idqiw4n.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02897077217561a52898209cc5
from %ProgramFiles%\printerdoctor\7_files\is-bymg761usw.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e028a2ce3f148f57584269c3782
from %ProgramFiles%\printerdoctor\7_files\is-fvk31923c1.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02907f0d0884466966d6546767
from %ProgramFiles%\printerdoctor\7_files\is-gql72poc7s.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e029435ca4eaef0847e80d04b02
from %ProgramFiles%\printerdoctor\7_files\is-9vft724xa6.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e029564dd0f283e0a16440063c7
from %ProgramFiles%\printerdoctor\7_files\is-4mmm5ddllh.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02979637dbe8b71de7c13ab5cf
from %ProgramFiles%\printerdoctor\7_files\is-f7efc3wrl4.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02992d0e6aeb59f587a1e81ac8
from %ProgramFiles%\printerdoctor\7_files\is-61hao9ajsl.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e0299e49fe1e935d3d724627211
from %ProgramFiles%\printerdoctor\7_files\is-dngxmlmmpx.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e029e6f77c2aa67cab83fb412be
from %ProgramFiles%\printerdoctor\7_files\is-6yb8iushq3.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e029e8e0df48ff95de8d014f0b1
from %ProgramFiles%\printerdoctor\7_files\is-99yqr59s5u.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e029fefaca04a80b8b221954573
from %ProgramFiles%\printerdoctor\7_files\is-8tagjudlpr.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02ae0e62cc351978ad5203fcfa
from %ProgramFiles%\printerdoctor\7_files\is-98fen9kw38.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02b7fe0714ccb2ad8c61303911
from %ProgramFiles%\printerdoctor\7_files\is-is5a52aghn.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02c02ced489483042f820ad4b0
from %ProgramFiles%\printerdoctor\7_files\is-vxmnjpsps5.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02c093f4dd308ad9c41e20eee8
from %ProgramFiles%\printerdoctor\7_files\is-2zdb3rmuc2.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02c8da7970ca45b99fb2c51777
from %ProgramFiles%\printerdoctor\7_files\is-d2w3oh57ra.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02cf491ef0ed4e0d587b571724
from %ProgramFiles%\printerdoctor\7_files\is-fx30oht1e0.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02dd64809bbf416dde80e80f99
from %ProgramFiles%\printerdoctor\7_files\is-pb50e6tjeu.tmp to %ProgramFiles%\printerdoctor\7_files\ab67616d00001e02e2829416e5011fb749cc3fde
from %ProgramFiles%\printerdoctor\7_files\is-o4eyx6vnsm.tmp to %ProgramFiles%\printerdoctor\7_files\adsct
from %ProgramFiles%\printerdoctor\7_files\is-jj0sh6utoa.tmp to %ProgramFiles%\printerdoctor\7_files\adsct(1)
from %ProgramFiles%\printerdoctor\7_files\is-vvluiy8x91.tmp to %ProgramFiles%\printerdoctor\7_files\anchor.html
from %ProgramFiles%\printerdoctor\7_files\is-hr2lxuhx8j.tmp to %ProgramFiles%\printerdoctor\7_files\c2c1b3612f38b206411173c168b912d306b5c196
from %ProgramFiles%\printerdoctor\7_files\is-r31dj37u5s.tmp to %ProgramFiles%\printerdoctor\7_files\cast_framework.js
from %ProgramFiles%\printerdoctor\7_files\is-9zcuioeo1x.tmp to %ProgramFiles%\printerdoctor\7_files\cast_sender(1).js
from %ProgramFiles%\printerdoctor\7_files\is-33ner5rjpt.tmp to %ProgramFiles%\printerdoctor\7_files\cast_sender.js
from %ProgramFiles%\printerdoctor\7_files\is-66u6fkpbgm.tmp to %ProgramFiles%\printerdoctor\7_files\dwp-feedback-bar.2f1f7eb4.css
from %ProgramFiles%\printerdoctor\7_files\is-fabr1zkx99.tmp to %ProgramFiles%\printerdoctor\7_files\dwp-now-playing-bar.88eac62f.css
from %ProgramFiles%\printerdoctor\7_files\is-j3awo4fcwh.tmp to %ProgramFiles%\printerdoctor\7_files\dwp-panel-section.db8179d5.css
from %ProgramFiles%\printerdoctor\7_files\is-14dfrrpmk3.tmp to %ProgramFiles%\printerdoctor\7_files\dwp-top-bar.2d1e7227.css
from %ProgramFiles%\printerdoctor\7_files\is-ic8beyi6hl.tmp to %ProgramFiles%\printerdoctor\7_files\dwp-video-player.a92a1bf1.css
from %ProgramFiles%\printerdoctor\7_files\is-2c8yazcjuk.tmp to %ProgramFiles%\printerdoctor\7_files\dwp-watch-feed-view-container.39b09463.css
from %ProgramFiles%\printerdoctor\7_files\is-2urkuz9dh3.tmp to %ProgramFiles%\printerdoctor\7_files\enterprise.js
from %ProgramFiles%\printerdoctor\7_files\is-c1fykny88m.tmp to %ProgramFiles%\printerdoctor\7_files\gtm.96d60fd6.js
from %ProgramFiles%\printerdoctor\7_files\is-p2p7no8d28.tmp to %ProgramFiles%\printerdoctor\7_files\heap_config.js
from %ProgramFiles%\printerdoctor\7_files\is-h6t6iiddaw.tmp to %ProgramFiles%\printerdoctor\7_files\listening-stats-modal.8c1b8d24.css
from %ProgramFiles%\printerdoctor\7_files\is-ptzrow59if.tmp to %ProgramFiles%\printerdoctor\7_files\otsdkstub.js
from %ProgramFiles%\printerdoctor\7_files\is-z2fkts96pm.tmp to %ProgramFiles%\printerdoctor\7_files\ot_company_logo.png
from %ProgramFiles%\printerdoctor\7_files\is-48c4op1wkf.tmp to %ProgramFiles%\printerdoctor\7_files\powered_by_logo.svg
from %ProgramFiles%\printerdoctor\7_files\is-sk6ddbzv75.tmp to %ProgramFiles%\printerdoctor\7_files\retargeting-pixels.02346b5d.js
from %ProgramFiles%\printerdoctor\7_files\is-qjah73aq4g.tmp to %ProgramFiles%\printerdoctor\7_files\saved_resource(1).html
from %ProgramFiles%\printerdoctor\7_files\is-yh8hrsax23.tmp to %ProgramFiles%\printerdoctor\7_files\saved_resource(2).html
from %ProgramFiles%\printerdoctor\7_files\is-bo37rm4s84.tmp to %ProgramFiles%\printerdoctor\7_files\saved_resource.html
from %ProgramFiles%\printerdoctor\7_files\is-l2g4z5h7sa.tmp to %ProgramFiles%\printerdoctor\7_files\sync.min.js
from %ProgramFiles%\printerdoctor\7_files\is-d6upsac270.tmp to %ProgramFiles%\printerdoctor\7_files\uwt.js
from %ProgramFiles%\printerdoctor\7_files\is-loqu970i1s.tmp to %ProgramFiles%\printerdoctor\7_files\xpui-root-dialogs.24c65f8c.css
from %ProgramFiles%\printerdoctor\7_files\is-7qpjc5aca5.tmp to %ProgramFiles%\printerdoctor\7_files\xpui-routes-track-v2.3643c9d7.css
from %ProgramFiles%\printerdoctor\7_files\is-8qo3jvn2oh.tmp to %ProgramFiles%\printerdoctor\7_files\xpui-routes-your-library-x.d077bf4b.css
from %ProgramFiles%\printerdoctor\is-5wc139pu4i.tmp to %ProgramFiles%\printerdoctor\shadow@2x.png
Network activity
Connects to
'do#####.##.ap-east-1.amazonaws.com':443
'ba##u.com':443
TCP
HTTP GET requests
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?78##############
Other
'do#####.##.ap-east-1.amazonaws.com':443
'ba##u.com':443
UDP
DNS ASK do#####.##.ap-east-1.amazonaws.com
DNS ASK ba##u.com
DNS ASK hk.##7imx.net
Miscellaneous
Creates and executes the following
'%TEMP%\is-sliml89jtj.tmp\<File name>.tmp' /SL5="$F01BA,3581697,1006592,<Full path to file>"
Executes the following
'%WINDIR%\syswow64\msiexec.exe' /i "%ProgramFiles%\PrinterDoctor\souths.msi" /qn
'<SYSTEM32>\dism.exe'
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users'"' (with hidden window)
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath '%ALLUSERSPROFILE%'"' (with hidden window)
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath '<SYSTEM32>'"' (with hidden window)
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionProcess 'Dism.exe'"' (with hidden window)
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' powershell -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionProcess 'where.exe'"' (with hidden window)
Recommandations pour le traitement
Windows
macOS
Linux
Android
Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space .
Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.
Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android . Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
Débranchez votre appareil et rebranchez-le.
En savoir plus sur Dr.Web pour Android
Téléchargez Dr.Web pour Android
Gratuit pour 3 mois
Tous les composants de protection
Renouvellement de la démo via AppGallery/Google Pay
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