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Trojan.DownLoader22.64348

Aggiunto al database dei virus Dr.Web: 2016-10-15

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Safe Browsere' = 'C:\\Program Files (x86)\\Safe Browsing\\Safe_Browsing.exe'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Windows Event Log Viewer] 'ImagePath' = '"%WINDIR%\Win Services\winevent.exe"'
  • [<HKLM>\SYSTEM\ControlSet001\Services\Windows Event Log Viewer] 'Start' = '00000002'
Malicious functions:
Executes the following:
  • '<SYSTEM32>\cmd.exe' /c ""%WINDIR%\Win Services\startup.bat" "
  • '%ProgramFiles%\Safe Browsing\Safe_Browsing.exe' /Passive /NORESTART
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run" /v "Safe Browsere" /d "C:\\Program Files\\Safe Browsing\\Safe_Browsing.exe"
  • '<SYSTEM32>\reg.exe' ADD "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run" /v "Safe Browsere" /d "C:\\Program Files (x86)\\Safe Browsing\\Safe_Browsing.exe"
  • '%TEMP%\is-J5T1H.tmp\sb.tmp' /SL5="$40036,529818,56832,%TEMP%\7ZipSfx.000\sb.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-
  • '%TEMP%\7ZipSfx.000\sb.exe' /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-
  • '%WINDIR%\Win Services\winevent.exe'
  • '%WINDIR%\Win Services\winevent.exe' --install
Modifies file system:
Creates the following files:
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Safe_Browsing.exe.config
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Safe_Browsing.exe
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Safe_Browsing.pdb
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Safe_Browsing.vshost.exe.config
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Safe_Browsing.vshost.exe
  • %ALLUSERSPROFILE%\Application Data\Browser Data\NDde.dll
  • %WINDIR%\Win Services\winevent.InstallState
  • %WINDIR%\Win Services\winevent.InstallLog
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Browser_voice.wav
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Microsoft.Win32.TaskScheduler.dll
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Interop.SHDocVw.dll
  • %WINDIR%\Win Services\WinLogFile.txt
  • %ProgramFiles%\Safe Browsing\Microsoft.Win32.TaskScheduler.dll
  • %WINDIR%\Browser Data\Interop.SHDocVw.dll
  • %WINDIR%\Browser Data\Microsoft.Win32.TaskScheduler.dll
  • %WINDIR%\Browser Data\NDde.dll
  • %ProgramFiles%\Safe Browsing\NDde.dll
  • %ProgramFiles%\Safe Browsing\Interop.SHDocVw.dll
  • %ALLUSERSPROFILE%\Application Data\Browser Data\unins000.dat
  • %ALLUSERSPROFILE%\Application Data\Browser Data\Safe_Browsing.vshost.exe.manifest
  • %ALLUSERSPROFILE%\Application Data\Browser Data\unins000.exe
  • %WINDIR%\Browser Data\Browser_voice.wav
  • %ProgramFiles%\Safe Browsing\Browser_voice.wav
  • %WINDIR%\Win Services\InstallUtil.InstallLog
  • %WINDIR%\Win Services\is-E9648.tmp
  • %WINDIR%\Win Services\is-AOK47.tmp
  • %WINDIR%\Win Services\is-7BI9K.tmp
  • %WINDIR%\Win Services\is-HV6C5.tmp
  • %WINDIR%\Win Services\is-LIHUR.tmp
  • %WINDIR%\Win Services\is-RFM1R.tmp
  • %TEMP%\is-J5T1H.tmp\sb.tmp
  • %TEMP%\7ZipSfx.000\sb.exe
  • %TEMP%\is-U1GKJ.tmp\_isetup\_shfoldr.dll
  • %ProgramFiles%\Safe Browsing\is-QPJCE.tmp
  • %TEMP%\is-U1GKJ.tmp\isxdl.dll
  • %WINDIR%\Win Services\is-NQ2V1.tmp
  • %ProgramFiles%\Safe Browsing\is-IG6P0.tmp
  • %ProgramFiles%\Safe Browsing\is-Q006I.tmp
  • %ProgramFiles%\Safe Browsing\is-I2AUE.tmp
  • %ProgramFiles%\Safe Browsing\unins000.dat
  • %ProgramFiles%\Safe Browsing\is-9JO7T.tmp
  • %ProgramFiles%\Safe Browsing\is-T18U4.tmp
  • %ProgramFiles%\Safe Browsing\is-ROIIB.tmp
  • %ProgramFiles%\Safe Browsing\is-N3AEH.tmp
  • %ProgramFiles%\Safe Browsing\is-P4GKM.tmp
  • %ProgramFiles%\Safe Browsing\is-AQK1S.tmp
  • %ProgramFiles%\Safe Browsing\is-2VQCM.tmp
Deletes the following files:
  • %TEMP%\is-J5T1H.tmp\sb.tmp
  • %TEMP%\7ZipSfx.000\sb.exe
  • <SYSTEM32>\d3d9caps.dat
  • %TEMP%\is-U1GKJ.tmp\isxdl.dll
  • %TEMP%\is-U1GKJ.tmp\_isetup\_shfoldr.dll
Moves the following files:
  • from %ProgramFiles%\Safe Browsing\is-2VQCM.tmp to %ProgramFiles%\Safe Browsing\NDde.dll
  • from %ProgramFiles%\Safe Browsing\is-AQK1S.tmp to %ProgramFiles%\Safe Browsing\Safe_Browsing.exe
  • from %ProgramFiles%\Safe Browsing\is-ROIIB.tmp to %ProgramFiles%\Safe Browsing\Interop.SHDocVw.dll
  • from %ProgramFiles%\Safe Browsing\is-P4GKM.tmp to %ProgramFiles%\Safe Browsing\Microsoft.Win32.TaskScheduler.dll
  • from %ProgramFiles%\Safe Browsing\is-T18U4.tmp to %ProgramFiles%\Safe Browsing\Safe_Browsing.exe.config
  • from %ProgramFiles%\Safe Browsing\is-I2AUE.tmp to %ProgramFiles%\Safe Browsing\Safe_Browsing.vshost.exe.config
  • from %ProgramFiles%\Safe Browsing\is-9JO7T.tmp to %ProgramFiles%\Safe Browsing\Safe_Browsing.vshost.exe.manifest
  • from %ProgramFiles%\Safe Browsing\is-Q006I.tmp to %ProgramFiles%\Safe Browsing\Safe_Browsing.pdb
  • from %ProgramFiles%\Safe Browsing\is-IG6P0.tmp to %ProgramFiles%\Safe Browsing\Safe_Browsing.vshost.exe
  • from %WINDIR%\Win Services\is-AOK47.tmp to %WINDIR%\Win Services\winevent.exe
  • from %WINDIR%\Win Services\is-E9648.tmp to %WINDIR%\Win Services\winevent.exe.config
  • from %ProgramFiles%\Safe Browsing\is-QPJCE.tmp to %ProgramFiles%\Safe Browsing\unins000.exe
  • from %WINDIR%\Win Services\is-RFM1R.tmp to %WINDIR%\Win Services\startup.bat
  • from %WINDIR%\Win Services\is-7BI9K.tmp to %WINDIR%\Win Services\winevent.pdb
  • from %WINDIR%\Win Services\is-NQ2V1.tmp to %WINDIR%\Win Services\winevent.vshost.exe.manifest
  • from %ProgramFiles%\Safe Browsing\is-N3AEH.tmp to %ProgramFiles%\Safe Browsing\Browser_voice.wav
  • from %WINDIR%\Win Services\is-LIHUR.tmp to %WINDIR%\Win Services\winevent.vshost.exe
  • from %WINDIR%\Win Services\is-HV6C5.tmp to %WINDIR%\Win Services\winevent.vshost.exe.config
Network activity:
Connects to:
  • 'ga###upport.com':80
TCP:
HTTP POST requests:
  • http://ga###upport.com/webservices/service.asmx/Browser_Hijacker_TraceRecord
UDP:
  • DNS ASK ga###upport.com
Miscellaneous:
Searches for the following windows:
  • 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.
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