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Trojan.MulDrop32.10821

Added to the Dr.Web virus database: 2025-06-14

Virus description added:

Technical Information

Malicious functions
Executes the following
  • '<SYSTEM32>\taskkill.exe' /f /im HTTPDebuggerUI.exe
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq procmon*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq rawshark*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq wireshark*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq fiddler*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq FolderChangesView*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq processhacker*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq idaq*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq KsDumperClient*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq HTTPDebuggerSvc*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq httpdebugger*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq cheatengine*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /f /im HTTPDebuggerSvc.exe
  • '<SYSTEM32>\net.exe' stop ESEADriver2
  • '<SYSTEM32>\net.exe' stop FACEIT
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq HTTPDebuggerUI*" /IM * /F /T
  • '<SYSTEM32>\taskkill.exe' /FI "IMAGENAME eq charles*" /IM * /F /T
Searches for windows to
detect analytical utilities:
  • ClassName: 'FilemonClass', WindowName: ''
  • ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
  • ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'RegmonClass', WindowName: ''
  • ClassName: '', WindowName: 'The Wireshark Network Analyzer'
Modifies file system
Creates the following files
  • nul
Network activity
Connects to
  • 'localhost':49181
TCP
Other
  • 'localhost':49181
  • 'localhost':49182
UDP
  • DNS ASK ke##uth.win
Miscellaneous
Searches for the following windows
  • ClassName: 'Registry Monitor - Sysinternals: www.sysinternals.com' WindowName: ''
  • ClassName: '' WindowName: 'IDA: Quick start'
  • ClassName: '' WindowName: 'KsDumper'
  • ClassName: '' WindowName: 'OllyDbg'
  • ClassName: '' WindowName: 'Process Hacker 2'
  • ClassName: '' WindowName: 'Process Hacker'
  • ClassName: '' WindowName: 'HTTP Debugger Pro'
  • ClassName: '' WindowName: 'Ida Freeware'
  • ClassName: '' WindowName: 'Ida Pro'
  • ClassName: '' WindowName: 'Ida'
  • ClassName: '' WindowName: 'Cheat Engine 7.6'
  • ClassName: '' WindowName: 'Cheat Engine 7.5'
  • ClassName: '' WindowName: 'Cheat Engine 7.4'
  • ClassName: '' WindowName: 'Cheat Engine 7.3'
  • ClassName: '' WindowName: 'Cheat Engine 6.9'
  • ClassName: '' WindowName: 'Cheat Engine 7.0'
  • ClassName: '' WindowName: 'Cheat Engine 7.1'
  • ClassName: '' WindowName: 'Cheat Engine 7.2'
  • ClassName: '' WindowName: 'HxD'
  • ClassName: '' WindowName: 'BinaryNinja'
  • ClassName: '' WindowName: 'FolderChangesView'
  • ClassName: '' WindowName: 'dnSpy'
  • ClassName: '' WindowName: 'x64dbg'
  • ClassName: '' WindowName: 'HTTP Debugger'
  • ClassName: '' WindowName: 'Fiddler'
  • ClassName: '' WindowName: 'Progress Telerik Fiddler Web Debugger'
  • ClassName: '' WindowName: 'Resource Monitor'
  • ClassName: '18467-41' WindowName: ''
  • ClassName: '' WindowName: 'Memory Viewer'
  • ClassName: '' WindowName: 'Process List'
Executes the following
  • '<SYSTEM32>\cmd.exe' /c certutil -hashfile "<Full path to file>" MD5 | find /i /v "md5" | find /i /v "certutil"
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq cheatengine*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq httpdebugger*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq HTTPDebuggerSvc*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq HTTPDebuggerUI*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq KsDumperClient*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq processhacker*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c sc stop HTTPDebuggerPro >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq FolderChangesView*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq wireshark*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq rawshark*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq procmon*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c start cmd /C "color b && title Error && echo CURL Error: Could not resolve hostname && timeout /t 5"
  • '<SYSTEM32>\cmd.exe' /C "color b && title Error && echo CURL Error: Could not resolve hostname && timeout /t 5"
  • '<SYSTEM32>\timeout.exe' /t 5
  • '<SYSTEM32>\cmd.exe' /c sc stop npf >nul 2>&1
  • '<SYSTEM32>\sc.exe' stop npf
  • '<SYSTEM32>\sc.exe' stop wireshark
  • '<SYSTEM32>\cmd.exe' /c sc stop wireshark >nul 2>&1
  • '<SYSTEM32>\sc.exe' stop KProcessHacker1
  • '<SYSTEM32>\cmd.exe' /c taskkill /f /im HTTPDebuggerUI.exe >nul 2>&1
  • '<SYSTEM32>\find.exe' /i /v "md5"
  • '<SYSTEM32>\certutil.exe' -hashfile "<Full path to file>" MD5
  • '<SYSTEM32>\find.exe' /i /v "certutil"
  • '<SYSTEM32>\net1.exe' stop FACEIT
  • '<SYSTEM32>\cmd.exe' /c net stop ESEADriver2 >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq idaq*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq fiddler*" /IM * /F /T >nul 2>&1
  • '<SYSTEM32>\net1.exe' stop ESEADriver2
  • '<SYSTEM32>\cmd.exe' /c sc stop KProcessHacker3 >nul 2>&1
  • '<SYSTEM32>\sc.exe' stop KProcessHacker3
  • '<SYSTEM32>\cmd.exe' /c sc stop KProcessHacker2 >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c taskkill /f /im HTTPDebuggerSvc.exe >nul 2>&1
  • '<SYSTEM32>\sc.exe' stop KProcessHacker2
  • '<SYSTEM32>\cmd.exe' /c sc stop KProcessHacker1 >nul 2>&1
  • '<SYSTEM32>\cmd.exe' /c net stop FACEIT >nul 2>&1
  • '<SYSTEM32>\sc.exe' stop HTTPDebuggerPro
  • '<SYSTEM32>\cmd.exe' /c taskkill /FI "IMAGENAME eq charles*" /IM * /F /T >nul 2>&1

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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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.

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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.

Find out more about Dr.Web for Android