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Trojan.Siggen17.62358
Added to the Dr.Web virus database:
2022-06-02
Virus description added:
2022-06-04
Technical Information
To ensure autorun and distribution
Creates or modifies the following files
%WINDIR%\tasks\asliftrightsforclient_sessionsessionid1.job
<SYSTEM32>\tasks\asliftrightsforclient_sessionsessionid1
Malicious functions
Modifies settings of Windows Internet Explorer
[<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\] 'ProxyOverride' = '*.local.pcvisit.com'
[<HKCU>\Software\Microsoft\windows\CurrentVersion\Internet Settings] 'ProxyOverride' = '*.local.pcvisit.com'
Modifies file system
Creates the following files
%TEMP%\nsmc533.tmp\accesscontrol.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\imageformats\qgif.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\imageformats\qico.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\imageformats\qjpeg.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\imageformats\qsvg.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qt5core.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qt5gui.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qt5network.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qt5networkauth.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qt5svg.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qt5websockets.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qt5widgets.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\platforms\qwindows.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\remoteprocstart_x64.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\remoteprocstart_x86.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\ssleay32.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\ucrtbase.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\vcruntime140.dll
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.bzqrpc
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.blkmvm
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.xesvve
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\content\f0accf77cdcbff39f6191887f6d2d357
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\metadata\f0accf77cdcbff39f6191887f6d2d357
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.vglpjn
%WINDIR%\temp\cab5adc.tmp
%WINDIR%\temp\tar5add.tmp
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.bsmrmj
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.bhhzez
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.lock
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\wodtunnel.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\wodkeys.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\wodftpd.dll
%WINDIR%\temp\rez23d1o-u98p-4azg-ycn0-i824j6gxoxc1.tmp
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\msvcp140.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\libeay32.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\concrt140.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvadhoc.7z
%TEMP%\nsmc533.tmp\nsis7z.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\application_de.qm
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\application_en.qm
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_client_de.qm
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_client_en.qm
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\qtbase_de.qm
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\shared_app_elements_de.qm
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\shared_app_elements_en.qm
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\client.exe
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvdisplayserver.exe
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_client.exe
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_km_starter.exe
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_service_client.exe
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-core-file-l1-2-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-core-file-l2-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-core-localization-l1-2-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-time-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-string-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-stdio-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-runtime-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-multibyte-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-math-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-heap-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-locale-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-filesystem-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-environment-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-convert-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-core-timezone-l1-1-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-core-synch-l1-2-0.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-core-processthreads-l1-1-1.dll
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\e438bz01-6w4j-4t1m-y9ws-5z6fp6c1p2f7.tmp
Deletes the following files
%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvadhoc.7z
%TEMP%\nsmc533.tmp\accesscontrol.dll
%TEMP%\nsmc533.tmp\nsis7z.dll
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.lock
%WINDIR%\temp\cab5adc.tmp
%WINDIR%\temp\tar5add.tmp
Moves the following files
from %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.bhhzez to %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini
from %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.bsmrmj to %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini
from %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.vglpjn to %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini
from %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.xesvve to %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini
from %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.blkmvm to %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini
from %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.bzqrpc to %ALLUSERSPROFILE%\pcvisit software ag\caloa.ini
Substitutes the following files
%ALLUSERSPROFILE%\pcvisit software ag\caloa.ini.lock
Network activity
Connects to
'localhost':18701
'lb#.#cvisit.de':80
'lb#.#cvisit.de':443
'localhost':48481
'localhost':48527
'microsoft.com':80
'x.##2.us':80
TCP
HTTP GET requests
http://lb#.#cvisit.de/alive/check.json
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
http://12#.#.0.1:8126/graphql
http://x.##2.us/x.cer
http://12#.#.0.1:8080/alive/check.json
HTTP POST requests
http://lb#.#cvisit.de/detect.json
Other
'lb#.#cvisit.de':443
'localhost':48481
'localhost':49178
'localhost':49179
'localhost':48527
'localhost':49182
'localhost':49183
'localhost':49187
'localhost':49188
'localhost':49190
'localhost':49191
'localhost':49194
'localhost':49196
UDP
DNS ASK lb#.#cvisit.de
DNS ASK microsoft.com
DNS ASK x.##2.us
Miscellaneous
Searches for the following windows
ClassName: '#32770' WindowName: ''
Creates and executes the following
'%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_service_client.exe'
'%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_service_client.exe' --StartMode AsLiftRightsForClient --session 1
'%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_service_client.exe' AsClient --startPrivilege STARTED_BY_USER_LEVELD_AS_NON_INTERACTIVE
'%LOCALAPPDATA%\pcvisit software ag\caloa\pcvisit.support.guest\release\22.4.19.1900\pcvisit_service_client.exe' --StartMode AsLiftRightsForClient --session 1' (with hidden window)
Executes the following
'%WINDIR%\syswow64\wbem\wmic.exe' os
'%WINDIR%\syswow64\wbem\wmic.exe' logicaldisk where "deviceid = 'c:'" get volumeserialnumber,freespace
'%WINDIR%\syswow64\wbem\wmic.exe' bios get releasedate
'%WINDIR%\syswow64\wbem\wmic.exe' computersystem get manufacturer,model,partofdomain,systemtype,totalphysicalmemory
'%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' "get-ciminstance msft_physicaldisk -namespace root\microsoft\windows\storage | select model, size, allocatedsize, mediatype, healthstatus, bustype"
'%WINDIR%\syswow64\wbem\wmic.exe' diskdrive get model,size,mediatype,status
'%WINDIR%\syswow64\wbem\wmic.exe' path win32_videocontroller get name
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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