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Trojan.KillProc.30090
Added to the Dr.Web virus database:
2013-11-22
Virus description added:
2013-11-23
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Classes\.exe] '' = 'pngfile'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)
Creates and executes the following:
'%TEMP%\run.exe' /pid=2752
'%TEMP%\run.exe'
Executes the following:
'<SYSTEM32>\net1.exe' user 14670 /add
'<SYSTEM32>\net1.exe' user 4864 /add
'<SYSTEM32>\net1.exe' user 7413 /add
'<SYSTEM32>\net1.exe' user 3029 /add
'<SYSTEM32>\net1.exe' user 21886 /add
'<SYSTEM32>\net1.exe' user 25530 /add
'<SYSTEM32>\net1.exe' user 19698 /add
'<SYSTEM32>\net1.exe' user 28380 /add
'<SYSTEM32>\net1.exe' user 5503 /add
'<SYSTEM32>\net1.exe' user 15752 /add
'<SYSTEM32>\net1.exe' user 22039 /add
'<SYSTEM32>\net1.exe' user 27055 /add
'<SYSTEM32>\ping.exe' localhost -n 1
'<SYSTEM32>\rundll32.exe' user32.dll,MessageBeep
'<SYSTEM32>\taskkill.exe' /pid=3004
'<SYSTEM32>\logonui.exe' /status
'<SYSTEM32>\rundll32.exe' user32.dll, LockWorkStation
'<SYSTEM32>\net1.exe' user 21309 /add
'<SYSTEM32>\net1.exe' user 31322 /add
'<SYSTEM32>\net1.exe' user 11124 /add
'<SYSTEM32>\net1.exe' user 7802 /add
'<SYSTEM32>\net1.exe' user 30223 /add
'<SYSTEM32>\net1.exe' user 22354 /add
'<SYSTEM32>\net1.exe' user 18613 /add
'<SYSTEM32>\taskkill.exe' /f /im iexplore*
'<SYSTEM32>\taskkill.exe' /f /im firefox*
'<SYSTEM32>\taskkill.exe' /f /im explorer.exe
'<SYSTEM32>\wscript.exe' "%TEMP%\desktop.vbs"
'<SYSTEM32>\wscript.exe' "%TEMP%\cpu.vbs"
'<SYSTEM32>\taskkill.exe' /f /im chrome*
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\virus.bat" 0"
'<SYSTEM32>\ntvdm.exe' -f -i1
'<SYSTEM32>\taskkill.exe' /f /im msnmsgr.exe
'<SYSTEM32>\taskkill.exe' /f /im Skype.exe
'<SYSTEM32>\taskkill.exe' /f /im YahooMessenger.exe
'<SYSTEM32>\rundll32.exe' USER32.DLL,SwapMouseButton
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyServer /d 0.0.0.0:0000 /f
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
'<SYSTEM32>\net1.exe' user 31635 /add
'<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /f /v DisableCMD /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyEnable /d 1 /f
'<SYSTEM32>\wscript.exe' "%TEMP%\opendisk.vbs"
'<SYSTEM32>\wscript.exe' "%TEMP%\keyboard.vbs"
'<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v HideClock /t REG_DWORD /d 1 /f
'<SYSTEM32>\ipconfig.exe' /release
'<SYSTEM32>\attrib.exe' +h %HOMEPATH%\Desktop\*.*
Injects code into
the following user processes:
Terminates or attempts to terminate
the following system processes:
the following user processes:
chrome.exe
firefox.exe
iexplore.exe
msnmsgr.exe
YahooMessenger.exe
skype.exe
Modifies settings of Windows Internet Explorer:
[<HKLM>\SYSTEM\ControlSet001\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyServer' = '0.0.0.0:0000'
Modifies file system :
Creates the following files:
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\27055.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\25530.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\30223.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\28380.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\21886.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\21309.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\22354.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\22039.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\7413.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\5503.bmp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\eicar.com[1].txt
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\7802.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\31322.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\3029.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\4864.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\31635.bmp
%TEMP%\cpu.vbs
%TEMP%\virus.bat
%TEMP%\keyboard.vbs
%TEMP%\desktop.vbs
%TEMP%\run.exe
%TEMP%\vermin.exe
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scs1.tmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\15752.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\14670.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\19698.bmp
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\18613.bmp
%TEMP%\cg.tmp
%TEMP%\opendisk.vbs
%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\11124.bmp
<Current directory>\cg.tmp
Deletes the following files:
%TEMP%\cg.tmp
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scs1.tmp
Network activity:
Connects to:
'any':80
'localhost':1041
TCP:
HTTP GET requests:
anyhttp://www.eicar.org/download/eicar.com.txt
UDP:
'localhost':1039
'23#.#55.255.250':1900
Miscellaneous:
Searches for the following windows:
ClassName: 'IEFrame' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: '(null)' WindowName: 'GINA Logon'
ClassName: '(null)' WindowName: '(null)'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-ae0.ae4.380001'
ClassName: 'StatusWindowClass' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
Curing recommendations
Windows
macOS
Linux
Android
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 .
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
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
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