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Trojan.MulDrop17.49575

Added to the Dr.Web virus database: 2021-06-04

Virus description added:

Technical Information

Malicious functions
Executes the following
  • '<SYSTEM32>\net.exe' stop sppsvc /y
  • '<SYSTEM32>\net.exe' stop osppsvc /y
Modifies file system
Creates the following files
  • %TEMP%\autd5c5.tmp
  • %TEMP%\cyberspace\kms vl all x86.exe
  • %TEMP%\autd672.tmp
  • %TEMP%\cyberspace\kms vl all x64.exe
  • %TEMP%\autdb41.tmp
  • %TEMP%\cyberspace\kms vl all.cmd
  • nul
  • %TEMP%\fqkci0fn.0.cs
  • %TEMP%\fqkci0fn.cmdline
  • %TEMP%\fqkci0fn.out
  • %TEMP%\cscab.tmp
  • %TEMP%\resac.tmp
  • %TEMP%\fqkci0fn.dll
  • <SYSTEM32>\sppextcomobjhook.dll
  • %WINDIR%\migration\wtr\kms_vl_all.inf
  • %WINDIR%\temp\sppchk.txt
Deletes the following files
  • %TEMP%\autd5c5.tmp
  • %TEMP%\autd672.tmp
  • %TEMP%\autdb41.tmp
  • %TEMP%\resac.tmp
  • %TEMP%\cscab.tmp
  • %TEMP%\fqkci0fn.pdb
  • %TEMP%\fqkci0fn.dll
  • %TEMP%\fqkci0fn.out
  • %TEMP%\fqkci0fn.0.cs
  • %TEMP%\fqkci0fn.cmdline
  • %WINDIR%\temp\sppchk.txt
  • %TEMP%\cyberspace\kms vl all x64.exe
  • %TEMP%\cyberspace\kms vl all x86.exe
  • %TEMP%\cyberspace\kms vl all.cmd
Miscellaneous
Creates and executes the following
  • '%TEMP%\cyberspace\kms vl all x64.exe'
  • '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fqkci0fn.cmdline"' (with hidden window)
  • '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESAC.tmp" "%TEMP%\CSCAB.tmp"' (with hidden window)
Executes the following
  • '<SYSTEM32>\cmd.exe' /c ""%TEMP%\CyberSpace\KMS VL ALL.cmd" /u /a"
  • '<SYSTEM32>\find.exe' /i "Office 16" "%WINDIR%\Temp\sppchk.txt"
  • '<SYSTEM32>\find.exe' /i "Office 19" "%WINDIR%\Temp\sppchk.txt"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (Description like '%KMSCLIENT%' AND NOT Name like '%MondoR_KMS_Automation%') get Name /value
  • '<SYSTEM32>\net1.exe' start osppsvc /y
  • '<SYSTEM32>\net.exe' start osppsvc /y
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v DisableKeyManagementServiceHostCaching
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v DisableDnsPublishing
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (ApplicationID='55c92734-d682-4d71-983e-d6ec3f16059f' and LicenseStatus='1' ) get Name /VALUE
  • '<SYSTEM32>\cmd.exe' /c "wmic path SoftwareLicensingProduct where (ApplicationID='55c92734-d682-4d71-983e-d6ec3f16059f' and LicenseStatus='1' ) get Name /VALUE"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (LicenseStatus='1' and GracePeriodRemaining='0' and PartialProductKey is not NULL) get Name /value
  • '<SYSTEM32>\findstr.exe' /i "Windows"
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\16.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (LicenseStatus='1' and Description like '%KMSCLIENT%' ) get Name /value
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (PartialProductKey is not NULL) get ID /value
  • '<SYSTEM32>\findstr.exe' "1"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where ID='ae2ee509-1b34-41c0-acb7-6d4650168915' get LicenseStatus /value
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (ApplicationID='55c92734-d682-4d71-983e-d6ec3f16059f' and Description like '%KMSCLIENT%' ) get ID /VALUE
  • '<SYSTEM32>\cmd.exe' /c "wmic path SoftwareLicensingProduct where (ApplicationID='55c92734-d682-4d71-983e-d6ec3f16059f' and Description like '%KMSCLIENT%' ) get ID /VALUE"
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v KeyManagementServicePort /t REG_SZ /d "1688"
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v KeyManagementServiceName /t REG_SZ /d "0.0.0.0"
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingService get Version /VALUE
  • '<SYSTEM32>\cmd.exe' /c "wmic path SoftwareLicensingService get Version /VALUE"
  • '<SYSTEM32>\findstr.exe' /i Windows
  • '<SYSTEM32>\wbem\wmic.exe' path SoftwareLicensingProduct where (Description like '%KMSCLIENT%') get Name /value
  • '<SYSTEM32>\findstr.exe' /i "ae2ee509-1b34-41c0-acb7-6d4650168915"
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\16.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\find.exe' /i "Office 15" "%WINDIR%\Temp\sppchk.txt"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (Description like '%KMSCLIENT%') get ID /VALUE
  • '<SYSTEM32>\net1.exe' stop sppsvc /y
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v DisableKeyManagementServiceHostCaching
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v DisableDnsPublishing
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get GracePeriodRemaining /VALUE
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get GracePeriodRemaining /VALUE"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' call Activate
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get Name /VALUE"
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform\0ff1ce15-a989-479d-af46-f275c6370663\6f327760-8c5c-417c-9b61-836a98287e0c" /f
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform\59a52881-a989-479d-af46-f275c6370663\6f327760-8c5c-417c-9b61-836a98287e0c" /f
  • '<SYSTEM32>\findstr.exe' /i "6f327760-8c5c-417c-9b61-836a98287e0c"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (PartialProductKey is not NULL) get ID /value
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (ApplicationID='0ff1ce15-a989-479d-af46-f275c6370663' AND NOT Name like '%O365%') get Name /value
  • '<SYSTEM32>\find.exe' /i "Office 14" "%WINDIR%\Temp\sppchk.txt"
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where (Description like '%KMSCLIENT%') get ID /VALUE"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionService get Version /VALUE
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionService get Version /VALUE" 2>nul
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPro-MAK') get LicenseStatus /VALUE
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPro-MAK') get LicenseStatus /VALUE" 2>nul
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPrem-MAK') get LicenseStatus /VALUE
  • '<SYSTEM32>\cmd.exe' /c "wmic path OfficeSoftwareProtectionProduct where (LicenseFamily='OfficeVisioPrem-MAK') get LicenseStatus /VALUE" 2>nul
  • '<SYSTEM32>\find.exe' /i "Office 15"
  • '<SYSTEM32>\find.exe' /i "Office 16"
  • '<SYSTEM32>\find.exe' /i "Office 19"
  • '<SYSTEM32>\find.exe' /i "R_Retail" "%WINDIR%\Temp\sppchk.txt"
  • '<SYSTEM32>\wbem\wmic.exe' path OfficeSoftwareProtectionProduct where ID='6f327760-8c5c-417c-9b61-836a98287e0c' get Name /value
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\16.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\16.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\15.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v Debugger
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v KMS_RenewalInterval /t REG_DWORD /d 10080
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v KMS_ActivationInterval /t REG_DWORD /d 120
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v KMS_Emulation /t REG_DWORD /d 1
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v GlobalFlag /t REG_DWORD /d 0x00000100
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v VerifierFlags /t REG_DWORD /d 0x80000000
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v VerifierDebug /t REG_DWORD /d 0x00000000
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v VerifierDlls /t REG_SZ /d "SppExtComObjHook.dll"
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sppsvc.exe" /f /v Debugger
  • '%WINDIR%\microsoft.net\framework64\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESAC.tmp" "%TEMP%\CSCAB.tmp"
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v VerifierDebug /t REG_DWORD /d 0x00000000
  • '%WINDIR%\microsoft.net\framework64\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fqkci0fn.cmdline"
  • '<SYSTEM32>\find.exe' /i "STOPPED"
  • '<SYSTEM32>\sc.exe' query sppsvc
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -nop -c "&{$W=$Host.UI.RawUI.WindowSize;$B=$Host.UI.RawUI.BufferSize;$W.Height=31;$B.Height=300;$Host.UI.RawUI.WindowSize=$W;$Host.UI.RawUI.BufferSize=$B;}"
  • '<SYSTEM32>\mode.com' con cols=100 lines=32
  • '<SYSTEM32>\cmd.exe' /c dir /b /ad <SYSTEM32>\spp\tokens\channels
  • '<SYSTEM32>\sc.exe' query osppsvc
  • '<SYSTEM32>\cmd.exe' /c dir /b /ad <SYSTEM32>\spp\tokens\skus
  • '<SYSTEM32>\cmd.exe' /c ver
  • '<SYSTEM32>\reg.exe' query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Desktop
  • '<SYSTEM32>\cmd.exe' /c reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Desktop
  • '<SYSTEM32>\reg.exe' query HKU\S-1-5-19
  • '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -nop -c "$d='<SYSTEM32>';$f=[IO.File]::ReadAllText('%TEMP%\CyberSpace\KMS VL ALL.cmd') -split ':embdbin\:.*';iex ($f[1]);X 2"
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v VerifierFlags /t REG_DWORD /d 0x80000000
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v VerifierDlls /t REG_SZ /d "SppExtComObjHook.dll"
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v GlobalFlag /t REG_DWORD /d 0x00000100
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\15.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\cmd.exe' /c reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v ProductName 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\15.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\15.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\14.0\Common\InstallRoot /v Path
  • '<SYSTEM32>\cmd.exe' /c "reg query HKLM\SOFTWARE\Microsoft\Office\14.0\Common\InstallRoot /v Path" 2>nul
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\CVH /f Click2run /k
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\15.0\ClickToRun /v InstallPath
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\WOW6432Node\Microsoft\Office\ClickToRun /v InstallPath
  • '<SYSTEM32>\reg.exe' query HKLM\SOFTWARE\Microsoft\Office\ClickToRun /v InstallPath
  • '<SYSTEM32>\reg.exe' query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v ProductName
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v KeyManagementServicePort /t REG_SZ /d "1688"
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v KMS_Emulation /t REG_DWORD /d 1
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\OfficeSoftwareProtectionPlatform" /f /v KeyManagementServiceName /t REG_SZ /d "0.0.0.0"
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v KMS_RenewalInterval /t REG_DWORD /d 10080
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v KMS_ActivationInterval /t REG_DWORD /d 120
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v KMS_Emulation /t REG_DWORD /d 1
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v GlobalFlag /t REG_DWORD /d 0x00000100
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v VerifierFlags /t REG_DWORD /d 0x80000000
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v VerifierDebug /t REG_DWORD /d 0x00000000
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v VerifierDlls /t REG_SZ /d "SppExtComObjHook.dll"
  • '<SYSTEM32>\reg.exe' delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SppExtComObj.exe" /f /v Debugger
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v KMS_RenewalInterval /t REG_DWORD /d 10080
  • '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\osppsvc.exe" /f /v KMS_ActivationInterval /t REG_DWORD /d 120
  • '<SYSTEM32>\net1.exe' stop osppsvc /y
  • '<SYSTEM32>\sc.exe' start sppsvc trigger=timer;sessionid=0

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.
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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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