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Perfil

Trojan.MulDrop11.57580

Added to the Dr.Web virus database: 2020-04-16

Virus description added:

Technical Information

Malicious functions
Executes the following
  • '%WINDIR%\syswow64\net.exe' stop "Security Center" /y
  • '%WINDIR%\syswow64\net.exe' stop "norton AntiVirus Server" /y
  • '%WINDIR%\syswow64\net.exe' stop "NAV Alert" /y
  • '%WINDIR%\syswow64\net.exe' stop "Nav Auto-Protect" /y
  • '%WINDIR%\syswow64\net.exe' stop "McShield" /y
  • '%WINDIR%\syswow64\net.exe' stop "DefWatch" /y
  • '%WINDIR%\syswow64\net.exe' stop eventlog /y
  • '%WINDIR%\syswow64\net.exe' stop InoRPC /y
  • '%WINDIR%\syswow64\net.exe' stop InoRT /y
  • '%WINDIR%\syswow64\net.exe' stop InoTask /y
  • '%WINDIR%\syswow64\net.exe' stop "norton AntiVirus Corporate Edition" /y
  • '%WINDIR%\syswow64\net.exe' stop "ViRobot Professional Monitoring" /y
  • '%WINDIR%\syswow64\net.exe' stop "PC-cillin Personal Firewall" /y
  • '%WINDIR%\syswow64\net.exe' stop "Trend Micro Proxy Service" /y
  • '%WINDIR%\syswow64\net.exe' stop SAVScan /y
  • '%WINDIR%\syswow64\net.exe' stop "Trend NT Realtime Service" /y
  • '%WINDIR%\syswow64\net.exe' stop "McAfee.com VirusScan Online Realtime Engine" /y
  • '%WINDIR%\syswow64\net.exe' stop "SyGateService" /y
  • '%WINDIR%\syswow64\net.exe' stop "Sophos Anti-Virus" /y
  • '%WINDIR%\syswow64\net.exe' stop "Sophos Anti-Virus Network" /y
  • '%WINDIR%\syswow64\net.exe' stop "eTrust Antivirus Job Server" /y
  • '%WINDIR%\syswow64\net.exe' stop "eTrust Antivirus Realtime Server" /y
  • '%WINDIR%\syswow64\net.exe' stop "eTrust Antivirus RPC Server" /y
  • '%WINDIR%\syswow64\net.exe' stop netsvcs
  • '%WINDIR%\syswow64\net.exe' stop spoolnt
  • '%WINDIR%\syswow64\net.exe' stop "WinDefend"
  • '%WINDIR%\syswow64\taskkill.exe' /f /t /im "MSASCui.exe"
  • '%WINDIR%\syswow64\net.exe' stop "wuauserv"
  • '%WINDIR%\syswow64\net.exe' stop "security center"
  • '%WINDIR%\syswow64\net.exe' stop "norton AntiVirus Client" /y
  • '%WINDIR%\syswow64\net.exe' stop "Symantec AntiVirus Client" /y
  • '%WINDIR%\syswow64\net.exe' stop "Serv-U" /y
  • '%WINDIR%\syswow64\net.exe' stop ccPwdSvc /y
  • '%WINDIR%\syswow64\net.exe' stop "*McAfeecmdln" /y
  • '%WINDIR%\syswow64\net.exe' stop "Symantec Core LC" /y
  • '%WINDIR%\syswow64\net.exe' stop "SAVScan" /y
  • '%WINDIR%\syswow64\net.exe' stop "norton AntiVirus Firewall Monitor Service" /y
  • '%WINDIR%\syswow64\net.exe' stop "norton AntiVirus Auto-Protect Service" /y
  • '%WINDIR%\syswow64\net.exe' stop "norton AntiVirus Auto Protect Service" /y
  • '%WINDIR%\syswow64\net.exe' stop "McAfee Spamkiller Server" /y
  • '%WINDIR%\syswow64\net.exe' stop "McAfee Personal Firewall Service" /y
  • '%WINDIR%\syswow64\net.exe' stop "McAfee SecurityCenter Update Manager" /y
  • '%WINDIR%\syswow64\net.exe' stop "Symantec SPBBCSvc" /y
  • '%WINDIR%\syswow64\net.exe' stop "Ahnlab Task Scheduler" /y
  • '%WINDIR%\syswow64\net.exe' stop navapsvc /y
  • '%WINDIR%\syswow64\net.exe' stop "Sygate Personal Firewall Pro" /y
  • '%WINDIR%\syswow64\net.exe' stop vrmonsvc /y
  • '%WINDIR%\syswow64\net.exe' stop sharedaccess
  • '%WINDIR%\syswow64\net.exe' stop "McAfee.com McShield" /y
  • '%WINDIR%\syswow64\net.exe' stop MonSvcNT /y
  • '%WINDIR%\syswow64\net.exe' stop ccSetMGR /y
  • '%WINDIR%\syswow64\net.exe' stop ccEvtMGR /y
  • '%WINDIR%\syswow64\net.exe' stop srservice /y
  • '%WINDIR%\syswow64\net.exe' stop "Symantec Network Drivers Service" /y
  • '%WINDIR%\syswow64\net.exe' stop "norton Unerase Protection" /y
  • '%WINDIR%\syswow64\net.exe' stop MskService /y
  • '%WINDIR%\syswow64\net.exe' stop MpfService /y
  • '%WINDIR%\syswow64\net.exe' stop mcupdmgr.exe /y
  • '%WINDIR%\syswow64\net.exe' stop "McAfeeAntiSpyware" /y
  • '%WINDIR%\syswow64\net.exe' stop helpsvc /y
  • '%WINDIR%\syswow64\net.exe' stop ERSvc /y
  • '%WINDIR%\syswow64\net.exe' stop "*nortoncmdln" /y
  • '%WINDIR%\syswow64\net.exe' stop "*Symanteccmdln" /y
  • '%WINDIR%\syswow64\net.exe' stop "Automatic Updates" /y
  • '%WINDIR%\syswow64\net.exe' stop NProtectService /y
  • '%WINDIR%\syswow64\netsh.exe' firewall set opmode mode-disable
Modifies file system
Creates the following files
  • %TEMP%\20801d4s.bat
Sets the 'hidden' attribute to the following files
  • %TEMP%\20801d4s.bat
  • <Full path to file>
Deletes the following files
  • %TEMP%\20801d4s.bat
Miscellaneous
Searches for the following windows
  • ClassName: '' WindowName: ''
Creates and executes the following
  • '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\20801D4S.bat" "<Full path to file>" "' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\20801D4S.bat" "<Full path to file>" "
  • '%WINDIR%\syswow64\net1.exe' stop "norton AntiVirus Client" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Symantec AntiVirus Client" /y
  • '%WINDIR%\syswow64\net1.exe' stop "norton AntiVirus Server" /y
  • '%WINDIR%\syswow64\net1.exe' stop "NAV Alert" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Nav Auto-Protect" /y
  • '%WINDIR%\syswow64\net1.exe' stop "McShield" /y
  • '%WINDIR%\syswow64\net1.exe' stop "DefWatch" /y
  • '%WINDIR%\syswow64\net1.exe' stop eventlog /y
  • '%WINDIR%\syswow64\net1.exe' stop InoRPC /y
  • '%WINDIR%\syswow64\net1.exe' stop InoRT /y
  • '%WINDIR%\syswow64\net1.exe' stop InoTask /y
  • '%WINDIR%\syswow64\net1.exe' stop "norton AntiVirus Corporate Edition" /y
  • '%WINDIR%\syswow64\net1.exe' stop "ViRobot Professional Monitoring" /y
  • '%WINDIR%\syswow64\net1.exe' stop vrmonsvc /y
  • '%WINDIR%\syswow64\net1.exe' stop "PC-cillin Personal Firewall" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Trend NT Realtime Service" /y
  • '%WINDIR%\syswow64\net1.exe' stop "McAfee.com McShield" /y
  • '%WINDIR%\syswow64\net1.exe' stop "McAfee.com VirusScan Online Realtime Engine" /y
  • '%WINDIR%\syswow64\net1.exe' stop "SyGateService" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Sophos Anti-Virus" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Sophos Anti-Virus Network" /y
  • '%WINDIR%\syswow64\net1.exe' stop "eTrust Antivirus Job Server" /y
  • '%WINDIR%\syswow64\net1.exe' stop "eTrust Antivirus Realtime Server" /y
  • '%WINDIR%\syswow64\net1.exe' stop "eTrust Antivirus RPC Server" /y
  • '%WINDIR%\syswow64\net1.exe' stop netsvcs
  • '%WINDIR%\syswow64\net1.exe' stop spoolnt
  • '%WINDIR%\syswow64\net1.exe' stop "WinDefend"
  • '%WINDIR%\syswow64\net1.exe' stop "wuauserv"
  • '%WINDIR%\syswow64\net1.exe' stop ccPwdSvc /y
  • '%WINDIR%\syswow64\net1.exe' stop "Serv-U" /y
  • '%WINDIR%\syswow64\net1.exe' stop "*McAfeecmdln" /y
  • '%WINDIR%\syswow64\net1.exe' stop "*Symanteccmdln" /y
  • '%WINDIR%\syswow64\net1.exe' stop "*nortoncmdln" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Security Center" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Automatic Updates" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Symantec Core LC" /y
  • '%WINDIR%\syswow64\net1.exe' stop "SAVScan" /y
  • '%WINDIR%\syswow64\net1.exe' stop "norton AntiVirus Firewall Monitor Service" /y
  • '%WINDIR%\syswow64\net1.exe' stop "norton AntiVirus Auto-Protect Service" /y
  • '%WINDIR%\syswow64\net1.exe' stop "norton AntiVirus Auto Protect Service" /y
  • '%WINDIR%\syswow64\net1.exe' stop "McAfee Spamkiller Server" /y
  • '%WINDIR%\syswow64\net1.exe' stop "McAfee Personal Firewall Service" /y
  • '%WINDIR%\syswow64\net1.exe' stop "McAfee SecurityCenter Update Manager" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Symantec SPBBCSvc" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Ahnlab Task Scheduler" /y
  • '%WINDIR%\syswow64\net1.exe' stop navapsvc /y
  • '%WINDIR%\syswow64\net1.exe' stop "security center"
  • '%WINDIR%\syswow64\net1.exe' stop "Trend Micro Proxy Service" /y
  • '%WINDIR%\syswow64\net1.exe' stop "Sygate Personal Firewall Pro" /y
  • '%WINDIR%\syswow64\net1.exe' stop SAVScan /y
  • '%WINDIR%\syswow64\net1.exe' stop NProtectService /y
  • '%WINDIR%\syswow64\net1.exe' stop ccSetMGR /y
  • '%WINDIR%\syswow64\net1.exe' stop ccEvtMGR /y
  • '%WINDIR%\syswow64\net1.exe' stop srservice /y
  • '%WINDIR%\syswow64\net1.exe' stop "Symantec Network Drivers Service" /y
  • '%WINDIR%\syswow64\net1.exe' stop "norton Unerase Protection" /y
  • '%WINDIR%\syswow64\net1.exe' stop MskService /y
  • '%WINDIR%\syswow64\net1.exe' stop MpfService /y
  • '%WINDIR%\syswow64\net1.exe' stop mcupdmgr.exe /y
  • '%WINDIR%\syswow64\net1.exe' stop "McAfeeAntiSpyware" /y
  • '%WINDIR%\syswow64\net1.exe' stop helpsvc /y
  • '%WINDIR%\syswow64\net1.exe' stop ERSvc /y
  • '%WINDIR%\syswow64\attrib.exe' +h "<Full path to file>"
  • '%WINDIR%\syswow64\net1.exe' stop MonSvcNT /y
  • '%WINDIR%\syswow64\net1.exe' stop sharedaccess

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