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Trojan.Siggen19.40419

Aggiunto al database dei virus Dr.Web: 2023-02-05

La descrizione è stata aggiunta:

Technical Information

Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Defender
Executes the following
  • '<SYSTEM32>\taskkill.exe' /F /T /IM mdm.exe
  • '<SYSTEM32>\taskkill.exe' /F /T /IM mdm
Modifies file system
Creates the following files
  • %APPDATA%\spf\unknown.log
  • %TEMP%\4odiezs0.bat
  • %TEMP%\6ef9f9a9-f0d9-42f0-8989-a7de760dbbea.bat
  • %APPDATA%\spf\settings
  • %TEMP%\8e4900f5-daa5-4ad8-8c91-d908705ecf5a.bat
Sets the 'hidden' attribute to the following files
  • %TEMP%\6ef9f9a9-f0d9-42f0-8989-a7de760dbbea.bat
  • %TEMP%\8e4900f5-daa5-4ad8-8c91-d908705ecf5a.bat
Deletes the following files
  • %WINDIR%\prefetch\1.exe-bf9d2cef.pf
  • %WINDIR%\prefetch\sppsvc.exe-b0f8131b.pf
  • %WINDIR%\prefetch\steamwebhelper.exe-93613764.pf
  • %WINDIR%\prefetch\svchost.exe-7ac6742a.pf
  • %WINDIR%\prefetch\svchost.exe-80f4a784.pf
  • %WINDIR%\prefetch\systempropertiesadvanced.exe-68c7c4f0.pf
  • %WINDIR%\prefetch\taskeng.exe-48d4e289.pf
  • %WINDIR%\prefetch\test_msvcp100.exe-93b75347.pf
  • %WINDIR%\prefetch\test_msvcp110d.exe-dd6c4bd2.pf
  • %WINDIR%\prefetch\test_msvcp100.exe-d47ff5f1.pf
  • %WINDIR%\prefetch\test_msvcp100d_x64.exe-24890c8a.pf
  • %WINDIR%\prefetch\test_msvcp100_x64.exe-6e02575e.pf
  • %WINDIR%\prefetch\test_msvcp110.exe-39f2672e.pf
  • %WINDIR%\prefetch\test_msvcp110.exe-f929c484.pf
  • %WINDIR%\prefetch\test_msvcp110d.exe-6c7e6cb8.pf
  • %WINDIR%\prefetch\setup_wm.exe-d33fd27d.pf
  • %WINDIR%\prefetch\taskhost.exe-7238f31d.pf
  • %WINDIR%\prefetch\setup.exe-f034c93c.pf
  • %WINDIR%\prefetch\pfsvperfstats.bin
  • %WINDIR%\prefetch\opera_crashreporter.exe-e30ebed0.pf
  • %WINDIR%\prefetch\ose.exe-51c16f0e.pf
  • %WINDIR%\prefetch\ose.exe-533d8ac9.pf
  • %WINDIR%\prefetch\ose00001.exe-3da4b844.pf
  • %WINDIR%\prefetch\osppsvc.exe-e53d3cc0.pf
  • %WINDIR%\prefetch\pcaui.exe-3e82c312.pf
  • %WINDIR%\prefetch\powerpnt.exe-158b76a4.pf
  • %WINDIR%\prefetch\setup.exe-7c026c7f.pf
  • %WINDIR%\prefetch\rdrcef.exe-5852a8de.pf
  • %WINDIR%\prefetch\regedit.exe-90feea06.pf
  • %WINDIR%\prefetch\regsvcs.exe-a54ad617.pf
  • %WINDIR%\prefetch\regtlib.exe-e21980a2.pf
  • %WINDIR%\prefetch\sc.exe-945d79ae.pf
  • %WINDIR%\prefetch\schtasks.exe-5ca45734.pf
  • %WINDIR%\prefetch\setup.exe-d0f6149e.pf
  • %WINDIR%\prefetch\test_msvcp110d_x64.exe-6afaa41f.pf
  • %WINDIR%\prefetch\test_msvcp110_x64.exe-600927fb.pf
  • %WINDIR%\prefetch\test_msvcp120.exe-5e9c35c1.pf
  • %WINDIR%\prefetch\wevtutil.exe-400d93e8.pf
  • %WINDIR%\prefetch\wevtutil.exe-ef5861c4.pf
  • %WINDIR%\prefetch\winword.exe-778f7c2b.pf
  • %WINDIR%\prefetch\wmiadap.exe-f8dfdfa2.pf
  • %WINDIR%\prefetch\wmiprvse.exe-1628051c.pf
  • %WINDIR%\prefetch\werfault.exe-e69f695a.pf
  • %WINDIR%\prefetch\wermgr.exe-0f2ac88c.pf
  • %WINDIR%\prefetch\wmiprvse.exe-6768a320.pf
  • %WINDIR%\prefetch\_iu14d2n.tmp-74616ced.pf
  • %WINDIR%\prefetch\readyboot\trace10.fx
  • %WINDIR%\prefetch\readyboot\trace6.fx
  • %WINDIR%\prefetch\readyboot\trace7.fx
  • %WINDIR%\prefetch\readyboot\trace8.fx
  • %WINDIR%\prefetch\wmplayer.exe-26c72a86.pf
  • %WINDIR%\prefetch\wmpnscfg.exe-fc0d39bf.pf
  • %WINDIR%\prefetch\vssvc.exe-b8afc319.pf
  • %WINDIR%\prefetch\vs7jit.exe-aef49c84.pf
  • %WINDIR%\prefetch\unins000.exe-53663602.pf
  • %WINDIR%\prefetch\test_msvcp120d.exe-5e6bdb07.pf
  • %WINDIR%\prefetch\test_msvcp120d.exe-ed7dfbed.pf
  • %WINDIR%\prefetch\test_msvcp120d_x64.exe-b16c3bb4.pf
  • %WINDIR%\prefetch\test_msvcp120xp.exe-d7d05439.pf
  • %WINDIR%\prefetch\test_msvcp140.exe-6a49bae5.pf
  • %WINDIR%\prefetch\test_msvcp140d.exe-606af971.pf
  • %WINDIR%\prefetch\test_msvcp120.exe-9f64d86b.pf
  • %WINDIR%\prefetch\test_msvcp140d_x64.exe-3e4f6ade.pf
  • %WINDIR%\prefetch\test_msvcp140xp.exe-6d280b1d.pf
  • %WINDIR%\prefetch\test_msvcp140_x64.exe-361d99d2.pf
  • %WINDIR%\prefetch\test_msvcp90.exe-29c5da51.pf
  • %WINDIR%\prefetch\test_msvcp90_x64.exe-cf1ecfbe.pf
  • %WINDIR%\prefetch\triggerkms.exe-7e8edfdc.pf
  • %WINDIR%\prefetch\trustedinstaller.exe-3cc531e5.pf
  • %WINDIR%\prefetch\test_msvcp140d_xp.exe-b04bc36c.pf
  • %WINDIR%\prefetch\opera.exe-9dd4e019.pf
  • %WINDIR%\prefetch\readyboot\trace9.fx
  • %WINDIR%\prefetch\ntosboot-b00dfaad.pf
  • %WINDIR%\prefetch\ngen.exe-ae594a6b.pf
  • %WINDIR%\prefetch\defrag.exe-588f90ad.pf
  • %WINDIR%\prefetch\dexplore.exe-1749d792.pf
  • %WINDIR%\prefetch\dllhost.exe-5e46fa0d.pf
  • %WINDIR%\prefetch\dllhost.exe-766398d2.pf
  • %WINDIR%\prefetch\dllhost.exe-7faa2e4c.pf
  • %WINDIR%\prefetch\dllhost.exe-861f96f8.pf
  • %WINDIR%\prefetch\dllhost.exe-d58da3a6.pf
  • %WINDIR%\prefetch\flashplayerupdateservice.exe-216d9c35.pf
  • %WINDIR%\prefetch\dllhost.exe-ecb71776.pf
  • %WINDIR%\prefetch\dotnetfx.exe-fe16be11.pf
  • %WINDIR%\prefetch\drvinst.exe-4cb4314a.pf
  • %WINDIR%\prefetch\excel.exe-53a22446.pf
  • %WINDIR%\prefetch\explorer.exe-a80e4f97.pf
  • %WINDIR%\prefetch\firefox.exe-18acfcff.pf
  • %WINDIR%\prefetch\dbgclr.exe-ad18e06e.pf
  • %WINDIR%\prefetch\dllhost.exe-b2eb1806.pf
  • %WINDIR%\prefetch\control.exe-817f8f1d.pf
  • %WINDIR%\prefetch\agglglobalhistory.db
  • %WINDIR%\prefetch\acrord32.exe-acf2947d.pf
  • %WINDIR%\prefetch\addinutil.exe-fef23417.pf
  • %WINDIR%\prefetch\agapplaunch.db
  • %WINDIR%\prefetch\agcx_sc4.db
  • %WINDIR%\prefetch\agglfaulthistory.db
  • %WINDIR%\prefetch\agglfgapphistory.db
  • %WINDIR%\prefetch\aggluad_p_s-1-5-21-1960123792-2022915161-3775307078-1001.db
  • %WINDIR%\prefetch\cmd.exe-4a81b364.pf
  • %WINDIR%\prefetch\aggluad_s-1-5-21-1960123792-2022915161-3775307078-1001.db
  • %WINDIR%\prefetch\agrobust.db
  • %WINDIR%\prefetch\arh.exe-f07e6c2c.pf
  • %WINDIR%\prefetch\aspnet_regiis.exe-b76f1ad7.pf
  • %WINDIR%\prefetch\audiodg.exe-bdfd3029.pf
  • %WINDIR%\prefetch\bcssync.exe-3f6c64a2.pf
  • %WINDIR%\prefetch\conhost.exe-1f3e9d7e.pf
  • %WINDIR%\prefetch\iexplore.exe-4b6c9213.pf
  • %WINDIR%\prefetch\install.exe-455f2d9b.pf
  • %WINDIR%\prefetch\ipconfig.exe-912f3d5b.pf
  • %WINDIR%\prefetch\msi6837.tmp-63debe2c.pf
  • %WINDIR%\prefetch\msidf38.tmp-4231cf8d.pf
  • %WINDIR%\prefetch\msieb32.tmp-a0d60608.pf
  • %WINDIR%\prefetch\msiexec.exe-a2d55cb6.pf
  • %WINDIR%\prefetch\msiexec.exe-e09a077a.pf
  • %WINDIR%\prefetch\msdtc.exe-cc1dec77.pf
  • %WINDIR%\prefetch\msi419f.tmp-b24cc418.pf
  • %WINDIR%\prefetch\msif1a9.tmp-fa1ca0e9.pf
  • %WINDIR%\prefetch\msoxmled.exe-e473a01d.pf
  • %WINDIR%\prefetch\mstsc.exe-5283258e.pf
  • %WINDIR%\prefetch\mstsc.exe-76a46e8a.pf
  • %WINDIR%\prefetch\netsh.exe-f1b6da12.pf
  • %WINDIR%\prefetch\ngen.exe-7900743e.pf
  • %WINDIR%\prefetch\msohtmed.exe-35a8ca79.pf
  • %WINDIR%\prefetch\msohtmed.exe-68e5ab1e.pf
  • %WINDIR%\prefetch\mscorsvw.exe-c3c515bd.pf
  • %WINDIR%\prefetch\mscorsvw.exe-57d17daf.pf
  • %WINDIR%\prefetch\msconfig.exe-3a52734e.pf
  • %WINDIR%\prefetch\kmsnano_setup.exe-631a87c6.pf
  • %WINDIR%\prefetch\kmsnano_setup.tmp-11a1562c.pf
  • %WINDIR%\prefetch\launcher.exe-e41e51ee.pf
  • %WINDIR%\prefetch\layout.ini
  • %WINDIR%\prefetch\logonui.exe-09140401.pf
  • %WINDIR%\prefetch\manageddbgca.exe-6ea1439b.pf
  • %WINDIR%\prefetch\javaw.exe-dccf0ab8.pf
  • %WINDIR%\prefetch\mdm.exe-ea9906df.pf
  • %WINDIR%\prefetch\migpolwin.exe-79e606fc.pf
  • %WINDIR%\prefetch\mmc.exe-53159585.pf
  • %WINDIR%\prefetch\mmc.exe-f39cded6.pf
  • %WINDIR%\prefetch\mmc.exe-f5dc4f82.pf
  • %WINDIR%\prefetch\mofcomp.exe-8fe3d558.pf
  • %WINDIR%\prefetch\mofcomp.exe-fde76efc.pf
  • %WINDIR%\prefetch\microsoft toolkit.exe-9dae6a40.pf
  • %WINDIR%\prefetch\ngen.exe-ec3f9239.pf
  • %TEMP%\4odiezs0.bat
Deletes itself.
Network activity
Connects to
  • 'pt#.#iscord.com':443
  • 'ap#.#pify.org':443
  • 'ip.#2.pl':443
TCP
Other
  • 'pt#.#iscord.com':443
  • 'ap#.#pify.org':443
  • 'ip.#2.pl':443
UDP
  • DNS ASK pt#.#iscord.com
  • DNS ASK ap#.#pify.org
  • DNS ASK ip.#2.pl
Miscellaneous
Searches for the following windows
  • ClassName: '' WindowName: ''
Creates and executes the following
  • '%TEMP%\4odiezs0.bat' ok
  • '<SYSTEM32>\sc.exe' config WerSvc start=disabled' (with hidden window)
  • '<SYSTEM32>\sc.exe' config wdfilter start=disabled' (with hidden window)
  • '<SYSTEM32>\sc.exe' config WinDefend start=disabled' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c sc stop wdfilter' (with hidden window)
  • '<SYSTEM32>\sc.exe' config WdNisSvc start=disabled' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c sc stop WerSvc' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c sc stop WinDefend' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c sc stop WdNisSvc' (with hidden window)
  • '<SYSTEM32>\sc.exe' config XblGameSave start=disabled' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c sc stop XblGameSave' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /C "%TEMP%\6ef9f9a9-f0d9-42f0-8989-a7de760dbbea.bat"' (with hidden window)
  • '<SYSTEM32>\taskkill.exe' /F /T /IM mdm.exe' (with hidden window)
  • '<SYSTEM32>\taskkill.exe' /F /T /IM mdm' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /C "%TEMP%\8e4900f5-daa5-4ad8-8c91-d908705ecf5a.bat"' (with hidden window)
Executes the following
  • '<SYSTEM32>\sc.exe' config WerSvc start=disabled
  • '<SYSTEM32>\attrib.exe' -r -s -h "%TEMP%\4odiezs0.bat"
  • '<SYSTEM32>\cmd.exe' /C "%TEMP%\8e4900f5-daa5-4ad8-8c91-d908705ecf5a.bat"
  • '<SYSTEM32>\wevtutil.exe' el
  • '<SYSTEM32>\timeout.exe' /T 1
  • '<SYSTEM32>\reg.exe' ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v "HiberbootEnabled" /t REG_DWORD /d 0 /f
  • '<SYSTEM32>\attrib.exe' -r -s -h "<Full path to file>"
  • '<SYSTEM32>\cmd.exe' /C "%TEMP%\6ef9f9a9-f0d9-42f0-8989-a7de760dbbea.bat"
  • '<SYSTEM32>\sc.exe' stop XblGameSave
  • '<SYSTEM32>\sc.exe' stop WdNisSvc
  • '<SYSTEM32>\sc.exe' stop WerSvc
  • '<SYSTEM32>\sc.exe' stop WinDefend
  • '<SYSTEM32>\cmd.exe' /c sc stop XblGameSave
  • '<SYSTEM32>\sc.exe' config XblGameSave start=disabled
  • '<SYSTEM32>\cmd.exe' /c sc stop WdNisSvc
  • '<SYSTEM32>\sc.exe' stop wdfilter
  • '<SYSTEM32>\cmd.exe' /c sc stop WinDefend
  • '<SYSTEM32>\cmd.exe' /c sc stop WerSvc
  • '<SYSTEM32>\sc.exe' config WdNisSvc start=disabled
  • '<SYSTEM32>\cmd.exe' /c sc stop wdfilter
  • '<SYSTEM32>\sc.exe' config WinDefend start=disabled
  • '<SYSTEM32>\sc.exe' config wdfilter start=disabled
  • '<SYSTEM32>\attrib.exe' -r -s -h "%TEMP%\6ef9f9a9-f0d9-42f0-8989-a7de760dbbea.bat"
  • '<SYSTEM32>\attrib.exe' -r -s -h "%TEMP%\8e4900f5-daa5-4ad8-8c91-d908705ecf5a.bat"

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  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.

Find out more about Dr.Web for Android