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Trojan.DownLoader11.46705
Added to the Dr.Web virus database:
2014-11-25
Virus description added:
2014-11-25
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '*MediaPlay' = '"%ALLUSERSPROFILE%\MediaPlay\svchost.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe] 'Debugger' = 'wuauclt.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Firewall.cpl] 'Debugger' = 'wuauclt.exe'
Changes the following executable system files:
<SYSTEM32>\mmc.exe.mX3J9
<SYSTEM32>\Firewall.cpl.84995v
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DoNotAllowExceptions' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
'<SYSTEM32>\wbem\wmiadap.exe' /R /T
'<SYSTEM32>\netsh.exe' firewall set opmode mode=disable profile=all
'<SYSTEM32>\sc.exe' config SharedAccess start= disabled
Modifies file system :
Creates the following files:
%ALLUSERSPROFILE%\MediaPlay\procmon.exe
<SYSTEM32>\mmc.exe:Zone.Identifier
<SYSTEM32>\firewall.cpl:Zone.Identifier
Sets the 'hidden' attribute to the following files:
%ALLUSERSPROFILE%\MediaPlay\procmon.exe
Deletes the following files:
<SYSTEM32>\wbem\Performance\WmiApRpl.ini
<SYSTEM32>\PerfStringBackup.TMP
<SYSTEM32>\iixGwtiakfwcwrANlbouM
<SYSTEM32>\eoqPPPLrsyGRgrUl
Moves the following system files:
from <SYSTEM32>\hXLLHOmytTqPYV to <SYSTEM32>\mwAiuOCbHdweZ
from <SYSTEM32>\mwAiuOCbHdweZ to <SYSTEM32>\GfQffGOFwRCauoi
from <SYSTEM32>\GfQffGOFwRCauoi to <SYSTEM32>\OgMGZfWLMPTPiJBOr
from <SYSTEM32>\meYzrnHzDRXNwBvps to <SYSTEM32>\hXLLHOmytTqPYV
from <SYSTEM32>\mmc.exe to <SYSTEM32>\mmc.exe.mX3J9
from <SYSTEM32>\mmc.exe.mX3J9 to <SYSTEM32>\LYdEQSfPGEflC
from <SYSTEM32>\LYdEQSfPGEflC to <SYSTEM32>\meYzrnHzDRXNwBvps
from <SYSTEM32>\aqDEjeVeSyswEs to <SYSTEM32>\gYEZNbkpaOuonct
from <SYSTEM32>\gYEZNbkpaOuonct to <SYSTEM32>\GzlcvOmaeJNdh
from <SYSTEM32>\GzlcvOmaeJNdh to <SYSTEM32>\eoqPPPLrsyGRgrUl
from <SYSTEM32>\eNQAJhzYAnjJMogM to <SYSTEM32>\aqDEjeVeSyswEs
from <SYSTEM32>\OgMGZfWLMPTPiJBOr to <SYSTEM32>\XylfceWOwocCGFVj
from <SYSTEM32>\XylfceWOwocCGFVj to <SYSTEM32>\JVBzQTdQjGrwktiZa
from <SYSTEM32>\JVBzQTdQjGrwktiZa to <SYSTEM32>\eNQAJhzYAnjJMogM
from <SYSTEM32>\AxNHCZUIWcrHmezPEMmRZq to <SYSTEM32>\iixGwtiakfwcwrANlbouM
from <SYSTEM32>\zxYyLuQNWQALljUnqWgogv to <SYSTEM32>\vnHZiyQDhXOKjnaYnwUssqX
from <SYSTEM32>\vnHZiyQDhXOKjnaYnwUssqX to <SYSTEM32>\wXnzKOUvRZOjFuUxRdeWUe
from <SYSTEM32>\wXnzKOUvRZOjFuUxRdeWUe to <SYSTEM32>\nmsYAfSTEtWnRJWiAKcAb
from <SYSTEM32>\DpJDWRHgShGUpVomYnxLmSl to <SYSTEM32>\zxYyLuQNWQALljUnqWgogv
from <SYSTEM32>\firewall.cpl to <SYSTEM32>\Firewall.cpl.84995v
from <SYSTEM32>\Firewall.cpl.84995v to <SYSTEM32>\JmctIXTEzwCPHIwKUVlyW
from <SYSTEM32>\JmctIXTEzwCPHIwKUVlyW to <SYSTEM32>\DpJDWRHgShGUpVomYnxLmSl
from <SYSTEM32>\GfwjESBdjguTtYuPdKbjNo to <SYSTEM32>\snXIZIlQwiRsohOwSOz
from <SYSTEM32>\snXIZIlQwiRsohOwSOz to <SYSTEM32>\AwHXVafPBrcvjYAdTLawof
from <SYSTEM32>\AwHXVafPBrcvjYAdTLawof to <SYSTEM32>\AxNHCZUIWcrHmezPEMmRZq
from <SYSTEM32>\mVOnStGnjbPtkBUvumh to <SYSTEM32>\GfwjESBdjguTtYuPdKbjNo
from <SYSTEM32>\nmsYAfSTEtWnRJWiAKcAb to <SYSTEM32>\mDmDEtcMoyoclTkllnokuw
from <SYSTEM32>\mDmDEtcMoyoclTkllnokuw to <SYSTEM32>\tnYrZdmElNAIEkAlfTrxnO
from <SYSTEM32>\tnYrZdmElNAIEkAlfTrxnO to <SYSTEM32>\mVOnStGnjbPtkBUvumh
Moves itself:
from <Full path to virus> to %ALLUSERSPROFILE%\MediaPlay\svchost.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
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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