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Trojan.KillProc.23890

Added to the Dr.Web virus database: 2013-04-25

Virus description added:

Technical Information

Malicious functions:
Creates and executes the following:
  • 'C:\quickkill\PsExec.exe' /accepteula -sd C:\quickkill\sysrun.bat
  • '%WINDIR%\PSEXESVC.EXE'
  • 'C:\quickkill\gawk.exe' "{print "PsExec" $2}"
  • 'C:\quickkill\egrep.exe' -vi "(conhost\.exe|explorer\.exe|winlogon|Name|System|UI0Detect|WMIC|svchost|lsass|lsm|spoolsv|cmd|smss|csrss|wininit|services\.exe|wdm|cmgshieldsvc|emsservice|emservice)"
  • 'C:\quickkill\Cax.exe' /killall wait
  • 'C:\quickkill\Cax.exe' /killall ctfmon.exe
  • 'C:\quickkill\Cax.exe' /killall alg.exe
  • 'C:\quickkill\Cax.exe' /killall __cd75efb816b2cc__.exe
  • 'C:\quickkill\Cax.exe' /killall 360tray.exe
  • 'C:\quickkill\Cax.exe' /killall ageofconan.exe
  • 'C:\quickkill\Cax.exe' /killall aion.exe
  • 'C:\quickkill\Cax.exe' /killall ash.exe
  • 'C:\quickkill\Cax.exe' /killall ashAvast.exe
  • 'C:\quickkill\Cax.exe' /killall ashAvSrv.exe
  • 'C:\quickkill\Cax.exe' /killall avgcc.exe
  • 'C:\quickkill\Cax.exe' /killall AVGCC32.EXE
  • 'C:\quickkill\Cax.exe' /killall AVGCTRL.EXE
  • 'C:\quickkill\Cax.exe' /killall AVP.COM
  • 'C:\quickkill\Cax.exe' /killall AVP.EXE
  • 'C:\quickkill\Cax.exe' /killall AVP32.EXE
  • 'C:\quickkill\Cax.exe' /killall AVPCC.EXE
  • 'C:\quickkill\Cax.exe' /killall AVPM.EXE
  • 'C:\quickkill\Cax.exe' /killall AVSYNMGR.EXE
  • 'C:\quickkill\Cax.exe' /killall bdagent.exe
  • 'C:\quickkill\Cax.exe' /killall bdss.exe
  • 'C:\quickkill\Cax.exe' /killall bdsubmit.exe
  • 'C:\quickkill\Cax.exe' /killall cabalmain.exe
  • 'C:\quickkill\Cax.exe' /killall ccapp.exe
  • 'C:\quickkill\Cax.exe' /killall chrome.exe
  • 'C:\quickkill\Cax.exe' /killall ClamWin.exe
  • 'C:\quickkill\Cax.exe' /killall dekaron.exe
  • 'C:\quickkill\Cax.exe' /killall dnf.exe
  • 'C:\quickkill\Cax.exe' /killall drweb.exe
  • 'C:\quickkill\Cax.exe' /killall Drweb32w.exe
  • 'C:\quickkill\Cax.exe' /killall drweb386.exe
  • 'C:\quickkill\Cax.exe' /killall Drwebupw.exe
  • 'C:\quickkill\Cax.exe' /killall Drwebwcl.exe
  • 'C:\quickkill\Cax.exe' /killall egni.exe
  • 'C:\quickkill\Cax.exe' /killall ekrn.exe
  • 'C:\quickkill\Cax.exe' /killall elementclient.exe
  • 'C:\quickkill\Cax.exe' /killall firefox.exe
  • 'C:\quickkill\Cax.exe' /killall fsav.exe
  • 'C:\quickkill\Cax.exe' /killall fsav32.exe
  • 'C:\quickkill\Cax.exe' /killall fsavaui.exe
  • 'C:\quickkill\Cax.exe' /killall fsavgui.exe
  • 'C:\quickkill\Cax.exe' /killall gc.exe
  • 'C:\quickkill\Cax.exe' /killall ge.exe
  • 'C:\quickkill\Cax.exe' /killall googletalk.exe
  • 'C:\quickkill\Cax.exe' /killall GUARD.EXE
  • 'C:\quickkill\Cax.exe' /killall GVOnline.bin
  • 'C:\quickkill\Cax.exe' /killall gw.exe
  • 'C:\quickkill\Cax.exe' /killall httplook.exe
  • 'C:\quickkill\Cax.exe' /killall ICQ.exe
  • 'C:\quickkill\Cax.exe' /killall iexplore.exe
  • 'C:\quickkill\Cax.exe' /killall InphaseNXD.exe
  • 'C:\quickkill\Cax.exe' /killall l2.bin
  • 'C:\quickkill\Cax.exe' /killall lin.bin
  • 'C:\quickkill\Cax.exe' /killall lotroclient.exe
  • 'C:\quickkill\Cax.exe' /killall magent.exe
  • 'C:\quickkill\Cax.exe' /killall maplestory.exe
  • 'C:\quickkill\Cax.exe' /killall MCAGENT.EXE
  • 'C:\quickkill\Cax.exe' /killall Mir3Game.exe
  • 'C:\quickkill\Cax.exe' /killall miranda32.exe
  • 'C:\quickkill\Cax.exe' /killall mpftray.exe
  • 'C:\quickkill\Cax.exe' /killall msn6.exe
  • 'C:\quickkill\Cax.exe' /killall msnmsgr.exe
  • 'C:\quickkill\Cax.exe' /killall NAVAPW32.EXE
  • 'C:\quickkill\Cax.exe' /killall netxray.exe
  • 'C:\quickkill\Cax.exe' /killall nod.exe
  • 'C:\quickkill\Cax.exe' /killall nod32.exe
Executes the following:
  • '<SYSTEM32>\cmd.exe' /c ""c:\quickkill\install.bat" "
  • '<SYSTEM32>\cmd.exe' /c ""C:\quickkill\sysrun.bat" "
  • '<SYSTEM32>\wbem\wmic.exe' process list brief
Terminates or attempts to terminate
the following system processes:
  • <SYSTEM32>\ctfmon.exe
  • <SYSTEM32>\alg.exe
a large number of user processes.
Modifies file system :
Creates the following files:
  • C:\quickkill\cat.exe
  • C:\quickkill\Cax.exe
  • C:\quickkill\egrep.exe
  • C:\quickkill\gawk.exe
  • C:\quickkill\install.bat
  • C:\quickkill\out.txt
  • C:\quickkill\PsExec.exe
  • C:\quickkill\sed.exe
  • C:\quickkill\sysrun.bat
  • %WINDIR%\PSEXESVC.EXE
  • %WINDIR%\Temp\tmp1.tmp
  • %WINDIR%\Temp\tmp2.tmp
  • <SYSTEM32>\wbem\AutoRecover\C8463ECBE33BC240263A0B094E46D510.mof
  • %WINDIR%\Temp\tmp3.tmp
  • <SYSTEM32>\wbem\AutoRecover\23BDE61F1F4FACE17E9B0C01F2A1FD9B.mof
Deletes the following files:
  • %WINDIR%\Temp\tmp1.tmp
  • %WINDIR%\Temp\tmp2.tmp
  • %WINDIR%\Temp\tmp3.tmp
Miscellaneous:
Searches for the following windows:
  • ClassName: 'EDIT' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''

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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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