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Trojan.Siggen13.52301

Added to the Dr.Web virus database: 2021-06-06

Virus description added:

Technical Information

Malicious functions
Searches for registry branches where third party applications store passwords
  • [<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
  • [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Internet Account Manager\Accounts]
  • [<HKLM>\Software\Wow6432Node\Microsoft\Internet Account Manager]
  • [<HKLM>\Software\Microsoft\Internet Account Manager]
  • [<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Microsoft Outlook Internet Settings]
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
Reads files which store third party applications passwords
  • %LOCALAPPDATA%\google\chrome\user data\default\login data
  • %LOCALAPPDATA%\google\chrome\user data\default\web data
  • %LOCALAPPDATA%\google\chrome\user data\default\cookies
  • %APPDATA%\opera software\opera stable\login data
Modifies file system
Creates the following files
  • %LOCALAPPDATA%low\sqlite3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-runtime-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-process-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-private-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-multibyte-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-math-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-locale-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-heap-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-filesystem-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-stdio-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-environment-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-conio-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-util-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-timezone-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-sysinfo-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-synch-l1-2-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-synch-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-string-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-rtlsupport-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-convert-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-string-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-time-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-utility-l1-1-0.dll
  • %LOCALAPPDATA%low\screen.jpeg
  • %LOCALAPPDATA%low\machineinfo.txt
  • %LOCALAPPDATA%low\ktwkqn8rc-shm
  • %LOCALAPPDATA%low\ktwkqn8rc
  • %LOCALAPPDATA%low\nlqboaru2-shm
  • %LOCALAPPDATA%low\nlqboaru2
  • %LOCALAPPDATA%low\firefox_urls.txt
  • %LOCALAPPDATA%low\tl3ooiyql-shm
  • %LOCALAPPDATA%low\tl3ooiyql
  • %LOCALAPPDATA%low\fraqbc8ws-shm
  • %LOCALAPPDATA%low\fraqbc8ws
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-memory-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-localization-l1-2-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-libraryloader-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-interlocked-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-heap-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-handle-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-file-l2-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-file-l1-2-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-profile-l1-1-0.dll
  • %LOCALAPPDATA%low\ryocuyr0apt.zip
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-processthreads-l1-1-1.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-processenvironment-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\nssdbm3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\py4ze3fx7h.zip
  • %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
  • %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
  • %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
  • %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
  • %LOCALAPPDATA%low\chrome_urls.txt
  • %LOCALAPPDATA%low\xrpmcarcr4
  • %LOCALAPPDATA%low\gc9tt2iq3s\prldap60.dll
  • %LOCALAPPDATA%low\idcdjoyapn
  • %LOCALAPPDATA%low\gxix4a2dre
  • %LOCALAPPDATA%low\exuieaoeii
  • %LOCALAPPDATA%low\3solbph71y
  • %LOCALAPPDATA%low\x3cf3ednhm
  • %LOCALAPPDATA%low\rqf69azbla
  • %LOCALAPPDATA%low\rywtiizs2t
  • %LOCALAPPDATA%low\1xvpfvjcrg
  • %LOCALAPPDATA%low\fraqbc8wsa
  • %LOCALAPPDATA%low\bbsqwy6yhk
  • %LOCALAPPDATA%low\gc9tt2iq3s\qipcap.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\softokn3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ucrtbase.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-namedpipe-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\nssckbi.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\nss3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\msvcp140.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mozmapi32_inuse.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mozmapi32.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mozglue.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mapiproxy_inuse.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mapiproxy.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\libegl.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\lgpllibs.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ldif60.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ldap60.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ia2marshal.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\freebl3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\breakpadinjector.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\accessiblemarshal.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\accessiblehandler.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\vcruntime140.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-processthreads-l1-1-0.dll
  • nul
Deletes the following files
  • %LOCALAPPDATA%low\fraqbc8wsa
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-utility-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-time-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-string-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-stdio-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-runtime-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-process-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-private-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-multibyte-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-math-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-locale-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-heap-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-filesystem-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-environment-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-convert-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-crt-conio-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-util-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-timezone-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-synch-l1-2-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-sysinfo-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\breakpadinjector.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\freebl3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ucrtbase.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\softokn3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\qipcap.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\prldap60.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\nssdbm3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\nssckbi.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\nss3.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\msvcp140.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mozmapi32.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-heap-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mozglue.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mapiproxy_inuse.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mapiproxy.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\libegl.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\lgpllibs.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ldif60.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ldap60.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\ia2marshal.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-synch-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-string-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-rtlsupport-l1-1-0.dll
  • %LOCALAPPDATA%low\nlqboaru2-shm
  • %LOCALAPPDATA%low\tl3ooiyql
  • %LOCALAPPDATA%low\tl3ooiyql-shm
  • %LOCALAPPDATA%low\fraqbc8ws
  • %LOCALAPPDATA%low\fraqbc8ws-shm
  • %LOCALAPPDATA%low\gc9tt2iq3s\py4ze3fx7h.zip
  • %LOCALAPPDATA%low\xrpmcarcr4
  • %LOCALAPPDATA%low\idcdjoyapn
  • %LOCALAPPDATA%low\bbsqwy6yhk
  • %LOCALAPPDATA%low\gxix4a2dre
  • %LOCALAPPDATA%low\exuieaoeii
  • %LOCALAPPDATA%low\3solbph71y
  • %LOCALAPPDATA%low\x3cf3ednhm
  • %LOCALAPPDATA%low\rqf69azbla
  • %LOCALAPPDATA%low\rywtiizs2t
  • %LOCALAPPDATA%low\1xvpfvjcrg
  • %LOCALAPPDATA%low\ktwkqn8rc-shm
  • %LOCALAPPDATA%low\ktwkqn8rc
  • %LOCALAPPDATA%low\nlqboaru2
  • %LOCALAPPDATA%low\firefox_urls.txt
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-profile-l1-1-0.dll
  • %LOCALAPPDATA%low\chrome_urls.txt
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-processthreads-l1-1-1.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-processthreads-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-processenvironment-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-namedpipe-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-memory-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-localization-l1-2-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-libraryloader-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\mozmapi32_inuse.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\vcruntime140.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-handle-l1-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-file-l2-1-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-file-l1-2-0.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\accessiblemarshal.dll
  • %LOCALAPPDATA%low\gc9tt2iq3s\accessiblehandler.dll
  • %LOCALAPPDATA%low\ryocuyr0apt.zip
  • %LOCALAPPDATA%low\screen.jpeg
  • %LOCALAPPDATA%low\machineinfo.txt
  • %LOCALAPPDATA%low\gc9tt2iq3s\api-ms-win-core-interlocked-l1-1-0.dll
  • %LOCALAPPDATA%low\sqlite3.dll
Deletes itself.
Network activity
Connects to
  • 'tt##tt.me':443
  • '34.#8.52.57':80
TCP
HTTP GET requests
  • http://34.#8.52.57//l/f/Q1P_znkBuI_ccNKo52-7/e5feaa2c68acd8a191e14f61a7543527c2016bea
  • http://34.#8.52.57//l/f/Q1P_znkBuI_ccNKo52-7/b9c370237afa3b92f346e0b89dbad3bd0af58ba3
HTTP POST requests
  • http://34.#8.52.57/
Other
  • 'tt##tt.me':443
UDP
  • DNS ASK tt##tt.me
Miscellaneous
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /C timeout /T 10 /NOBREAK > Nul & Del /f /q "<Full path to file>"
  • '%WINDIR%\syswow64\timeout.exe' /T 10 /NOBREAK

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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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