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Trojan.Siggen21.14062

Added to the Dr.Web virus database: 2023-08-01

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [HKCU\Software\Classes\rustdesk\shell\open\command] '' = '"%LOCALAPPDATA%\rustdesk\rustdesk.exe" "%1"�'
Malicious functions
Executes the following
  • '<SYSTEM32>\taskkill.exe' /F /IM RuntimeBroker_rustdesk.exe
Modifies file system
Creates the following files
  • %LOCALAPPDATA%\rustdesk\desktop_drop_plugin.dll
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\packages\wakelock_web\assets\no_sleep.js
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\packages\dash_chat_2\assets\profile_placeholder.png
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\packages\dash_chat_2\assets\placeholder.png
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\fonts\materialicons-regular.otf
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\win.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\voice_call_waiting.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\voice_call.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\unpinned.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\trash.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\packages\window_manager\images\ic_chrome_close.png
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\transfer.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\secure_relay.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\secure.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\search.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\screen.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\refresh.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\record_screen.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\rec.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\pinned.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\peer_searchbar.ttf
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\tabbar.ttf
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\packages\window_manager\images\ic_chrome_maximize.png
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\packages\window_manager\images\ic_chrome_minimize.png
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\packages\window_manager\images\ic_chrome_unmaximize.png
  • %APPDATA%\rustdesk\config\rustdesk.2944_threadid(10)_1690925289510000000
  • %APPDATA%\rustdesk\config\rustdesk_local.2944_threadid(26)_1690925289287000000
  • %WINDIR%\serviceprofiles\localservice\appdata\roaming\rustdesk\log\rustdesk_rcurrent.log
  • %APPDATA%\rustdesk\config\rustdesk_local.2944_threadid(13)_1690925287118000000
  • %APPDATA%\rustdesk\config\rustdesk.2944_threadid(8)_1690925285408000000
  • %APPDATA%\rustdesk\config\rustdesk.2944_threadid(8)_1690925285401000000
  • %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(8)_1690925285397000000
  • %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(20)_1690925285384000000
  • %APPDATA%\rustdesk\config\rustdesk.2944_threadid(23)_1690925285269000000
  • %APPDATA%\rustdesk\config\rustdesk.2944_threadid(9)_1690925285250000000
  • %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(20)_1690925284988000000
  • %APPDATA%\rustdesk\config\rustdesk.2944_threadid(9)_1690925284864000000
  • %APPDATA%\rustdesk\log\portable-service\rustdesk_rcurrent.log
  • %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(7)_1690925284172000000
  • %ALLUSERSPROFILE%\rustdesk\shared_memory_portable_service
  • %TEMP%\shared_memory-rs\shmem_cb9117d0e2a0bcf6
  • %APPDATA%\rustdesk\log\rustdesk_rcurrent.log
  • %LOCALAPPDATA%\rustdesk\rustdeskidddriver\rustdeskidddriver.inf
  • %LOCALAPPDATA%\rustdesk\rustdeskidddriver\rustdeskidddriver.dll
  • %LOCALAPPDATA%\rustdesk\rustdeskidddriver\rustdeskidddriver.cat
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\shaders\ink_sparkle.frag
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\okta.svg
  • %APPDATA%\rustdesk\log\check-hwcodec-config\rustdesk_rcurrent.log
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\mac.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\linux.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\notices.z
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\fontmanifest.json
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assetmanifest.smcbin
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assetmanifest.json
  • %LOCALAPPDATA%\rustdesk\data\icudtl.dat
  • %LOCALAPPDATA%\rustdesk\data\app.so
  • %LOCALAPPDATA%\rustdesk\window_size_plugin.dll
  • %LOCALAPPDATA%\rustdesk\window_manager_plugin.dll
  • %LOCALAPPDATA%\rustdesk\windowinjection.dll
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\actions.svg
  • %LOCALAPPDATA%\rustdesk\url_launcher_windows_plugin.dll
  • %LOCALAPPDATA%\rustdesk\texture_rgba_renderer_plugin.dll
  • %LOCALAPPDATA%\rustdesk\screen_retriever_plugin.dll
  • %LOCALAPPDATA%\rustdesk\rustdeskidddriver.cer
  • %LOCALAPPDATA%\rustdesk\rustdesk.exe
  • %LOCALAPPDATA%\rustdesk\librustdesk.dll
  • %LOCALAPPDATA%\rustdesk\flutter_windows.dll
  • %LOCALAPPDATA%\rustdesk\flutter_custom_cursor_plugin.dll
  • %LOCALAPPDATA%\rustdesk\dylib_virtual_display.dll
  • %LOCALAPPDATA%\rustdesk\desktop_multi_window_plugin.dll
  • %LOCALAPPDATA%\rustdesk\uni_links_desktop_plugin.dll
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\actions_mobile.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\android.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\arrow.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\keyboard.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\kb_layout_not_iso.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\kb_layout_iso.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\insecure_relay.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\insecure.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\home.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\google.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\github.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\gestures.ttf
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\fullscreen_exit.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\fullscreen.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\folder_new.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\folder.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\file.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\dots.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\display.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\close.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\chat2.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\chat.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\call_wait.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\call_end.svg
  • %LOCALAPPDATA%\rustdesk\data\flutter_assets\assets\logo.svg
  • %APPDATA%\rustdesk\config\rustdesk_hwcodec.2816_threadid(20)_1690925295367000000
Moves the following files
  • from %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(7)_1690925284172000000 to %APPDATA%\rustdesk\config\rustdesk2.toml
  • from %APPDATA%\rustdesk\config\rustdesk.2944_threadid(9)_1690925284864000000 to %APPDATA%\rustdesk\config\rustdesk.toml
  • from %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(20)_1690925284988000000 to %APPDATA%\rustdesk\config\rustdesk2.toml
  • from %APPDATA%\rustdesk\config\rustdesk.2944_threadid(9)_1690925285250000000 to %APPDATA%\rustdesk\config\rustdesk.toml
  • from %APPDATA%\rustdesk\config\rustdesk.2944_threadid(23)_1690925285269000000 to %APPDATA%\rustdesk\config\rustdesk.toml
  • from %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(20)_1690925285384000000 to %APPDATA%\rustdesk\config\rustdesk2.toml
  • from %APPDATA%\rustdesk\config\rustdesk2.2944_threadid(8)_1690925285397000000 to %APPDATA%\rustdesk\config\rustdesk2.toml
  • from %APPDATA%\rustdesk\config\rustdesk.2944_threadid(8)_1690925285401000000 to %APPDATA%\rustdesk\config\rustdesk.toml
  • from %APPDATA%\rustdesk\config\rustdesk.2944_threadid(8)_1690925285408000000 to %APPDATA%\rustdesk\config\rustdesk.toml
  • from %APPDATA%\rustdesk\config\rustdesk_local.2944_threadid(13)_1690925287118000000 to %APPDATA%\rustdesk\config\rustdesk_local.toml
  • from %APPDATA%\rustdesk\config\rustdesk_local.2944_threadid(26)_1690925289287000000 to %APPDATA%\rustdesk\config\rustdesk_local.toml
  • from %APPDATA%\rustdesk\config\rustdesk.2944_threadid(10)_1690925289510000000 to %APPDATA%\rustdesk\config\rustdesk.toml
  • from %APPDATA%\rustdesk\config\rustdesk_hwcodec.2816_threadid(20)_1690925295367000000 to %APPDATA%\rustdesk\config\rustdesk_hwcodec.toml
Substitutes the following files
  • %APPDATA%\rustdesk\config\rustdesk_hwcodec.2816_threadid(20)_1690925295367000000
Network activity
Connects to
  • 're####.dlpsystems.co':21116
  • 're####.dlpsystems.co':21115
  • 're####.dlpsystems.co':21114
TCP
Other
  • 're####.dlpsystems.co':21116
  • 're####.dlpsystems.co':21115
UDP
  • DNS ASK re####.dlpsystems.co
  • 're####.dlpsystems.co':21116
Miscellaneous
Searches for the following windows
  • ClassName: '' WindowName: ''
  • ClassName: 'FLUTTER_RUNNER_WIN32_WINDOW' WindowName: 'RustDesk'
Creates and executes the following
  • '%LOCALAPPDATA%\rustdesk\rustdesk.exe'
  • '%LOCALAPPDATA%\rustdesk\rustdesk.exe' --portable-service
  • '%LOCALAPPDATA%\rustdesk\rustdesk.exe' --run-as-system
  • '%LOCALAPPDATA%\rustdesk\rustdesk.exe' --check-hwcodec-config
  • '%LOCALAPPDATA%\rustdesk\rustdesk.exe' --portable-service' (with hidden window)
Executes the following
  • '<SYSTEM32>\icacls.exe' %ALLUSERSPROFILE%\RustDesk /grant *S-1-1-0:(OI)(CI)F /T
  • '<SYSTEM32>\icacls.exe' %ALLUSERSPROFILE%\RustDesk\shared_memory_portable_service /grant *S-1-1-0:(OI)(CI)F /T

Recommandations pour le traitement

  1. 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.
  2. 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.
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    • 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 ;
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