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Trojan.Siggen11.49347
Aggiunto al database dei virus Dr.Web:
2020-11-27
La descrizione è stata aggiunta:
2020-11-28
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKLM>\SYSTEM\CurrentControlSet\Control\Print\Monitors\RunDllExe] 'Driver' = '%WINDIR%\Logs\RunDllExe.dll'
Sets the following service settings
[<HKLM>\System\CurrentControlSet\Services\Spooler] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\GraphicsPerf_Svcs] 'ImagePath' = '<SYSTEM32>\svchost.exe -k GraphicsPerf_SvcsGroup'
[<HKLM>\SYSTEM\CurrentControlSet\Services\GraphicsPerf_Svcs\Parameters\] 'ServiceDll' = '%WINDIR%\Help\active_desktop_render.dll'
[<HKLM>\System\CurrentControlSet\Services\ShellHWDetection] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\PolicyAgent] 'Start' = '00000002'
Creates the following services
'GraphicsPerf_Svcs' <SYSTEM32>\svchost.exe -k GraphicsPerf_SvcsGroup
Malicious functions
Injects code into
the following system processes:
%WINDIR%\syswow64\svchost.exe
Modifies file system
Creates the following files
%WINDIR%\logs\rundllexe.exe
%WINDIR%\logs\rundllexe
%WINDIR%\logs\rundllexe.dll
%WINDIR%\mpmgsvc.dll
%WINDIR%\logs\vers.txt
%WINDIR%\logs\rundllexe_new.dll
%WINDIR%\logs\rundllexe_new
<Current directory>\x64.exe
%WINDIR%\help\active_desktop_render.dll
%WINDIR%\cursors\wudfhosts.exe
%WINDIR%\help\active_desktop_render_new.dll
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\62axopq5\update[1].txt
Deletes the following files
%WINDIR%\logs\rundllexe_new.dll
%WINDIR%\logs\rundllexe_new
<Current directory>\x64.exe
%WINDIR%\help\active_desktop_render_new.dll
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\62axopq5\update[1].txt
Substitutes the following files
%WINDIR%\logs\rundllexe_new.dll
%WINDIR%\logs\rundllexe_new
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\content.ie5\62axopq5\update[1].txt
Network activity
TCP
HTTP GET requests
http://12#.#60.126.238/11.exe
http://www.36##om.com/Update.txt
'po##.#sa-138.com':80
UDP
DNS ASK do##.362com.com
DNS ASK ss#.#i7i.com
DNS ASK 36##om.com
DNS ASK po##.#sa-138.com
Miscellaneous
Creates and executes the following
'%WINDIR%\logs\rundllexe.exe'
'<Current directory>\x64.exe'
'%WINDIR%\cursors\wudfhosts.exe' -o stratum+tcp://pool.usa-138.com:80 -u 4B7yFmYw2qvEtWZDDnZVeY16HHpwTtuYBg6EMn5xdDbM3ggSEnQFDWDHH6cqdEYaPx4iQvAwLNu8NLc21QxDU84GGxZEY7S -p x
'%WINDIR%\syswow64\cmd.exe' /c del "<Current directory>\x64.exe"' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static set policy name=Block assign=y' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add rule name=Rule1 policy=Block filterlist=Filter1 filteraction=FilteraAtion1' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filteraction name=FilteraAtion1 action=block' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=UDP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=UDP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=UDP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=TCP' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filterlist name=Filter1' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add policy name=Block' (with hidden window)
'<Current directory>\x64.exe' ' (with hidden window)
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\Fonts\*.exe /e /d system' (with hidden window)
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=TCP' (with hidden window)
'%WINDIR%\cursors\wudfhosts.exe' -o stratum+tcp://pool.usa-138.com:80 -u 4B7yFmYw2qvEtWZDDnZVeY16HHpwTtuYBg6EMn5xdDbM3ggSEnQFDWDHH6cqdEYaPx4iQvAwLNu8NLc21QxDU84GGxZEY7S -p x' (with hidden window)
Executes the following
'%WINDIR%\syswow64\svchost.exe'
'%WINDIR%\syswow64\cacls.exe' %WINDIR%\Fonts\*.exe /e /d system
'%WINDIR%\syswow64\netsh.exe' ipsec static add policy name=Block
'%WINDIR%\syswow64\netsh.exe' ipsec static add filterlist name=Filter1
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=UDP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=UDP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=TCP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=UDP
'%WINDIR%\syswow64\netsh.exe' ipsec static add filteraction name=FilteraAtion1 action=block
'%WINDIR%\syswow64\netsh.exe' ipsec static add rule name=Rule1 policy=Block filterlist=Filter1 filteraction=FilteraAtion1
'%WINDIR%\syswow64\netsh.exe' ipsec static set policy name=Block assign=y
'%WINDIR%\syswow64\svchost.exe' -k GraphicsPerf_SvcsGroup
'%WINDIR%\syswow64\cmd.exe' /c del "<Current directory>\x64.exe"
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
Scaricate Dr.Web per Android
Gratis per 3 mesi
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