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Trojan.Hosts.50847

Aggiunto al database dei virus Dr.Web: 2022-12-10

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • <SYSTEM32>\tasks\googleupdatetaskmachineqc
Malicious functions
Injects code into
the following system processes:
  • <SYSTEM32>\conhost.exe
Modifies file system
Creates the following files
  • %ProgramFiles%\google\chrome\updater.exe
  • %WINDIR%\temp\bdtrrgix.tmp
  • %ProgramFiles%\google\libs\wr64.sys
  • %ProgramFiles%\google\libs\g.log
Deletes the following files
  • %WINDIR%\temp\bdtrrgix.tmp
Substitutes the following files
  • %WINDIR%\temp\bdtrrgix.tmp
Modifies the HOSTS file.
Network activity
UDP
  • DNS ASK xm#.#miners.com
  • DNS ASK yh##b.xyz
Miscellaneous
Creates and executes the following
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#gtponpidn#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtask...
  • '%ProgramFiles%\google\chrome\updater.exe'
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#ylqqim#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System...
  • '%ProgramFiles%\google\chrome\updater.exe' ' (with hidden window)
Executes the following
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  • '<SYSTEM32>\schtasks.exe' /run /tn GoogleUpdateTaskMachineQC
  • '<SYSTEM32>\schtasks.exe' /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'%ProgramFiles%\Google\Chrome\updater.exe'"
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
  • '<SYSTEM32>\powercfg.exe' /x -standby-timeout-dc 0
  • '<SYSTEM32>\sc.exe' stop dosvc
  • '<SYSTEM32>\powercfg.exe' /x -standby-timeout-ac 0
  • '<SYSTEM32>\sc.exe' stop bits
  • '<SYSTEM32>\sc.exe' stop wuauserv
  • '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-dc 0
  • '<SYSTEM32>\sc.exe' stop WaaSMedicSvc
  • '<SYSTEM32>\sc.exe' stop UsoSvc
  • '<SYSTEM32>\powercfg.exe' /x -hibernate-timeout-ac 0
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' <#ylqqim#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System...
  • '<SYSTEM32>\cmd.exe' /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0
  • '<SYSTEM32>\cmd.exe' /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentContr...
  • '<SYSTEM32>\cmd.exe' /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "%ProgramFiles%\Google\Libs\g.log"
  • '<SYSTEM32>\wbem\wmic.exe' PATH Win32_VideoController GET Name, VideoProcessor

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