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Trojan.DownLoader26.41711
Added to the Dr.Web virus database:
2018-04-29
Virus description added:
2018-04-29
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Firewall.cpl] 'Debugger' = 'wuauclt.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe] 'Debugger' = 'wuauclt.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '*MusicMedia' = '"%ALLUSERSPROFILE%\MusicMedia\dwm.exe"'
Changes the following executable system files:
<SYSTEM32>\Firewall.cpl.0LseSeL
<SYSTEM32>\mmc.exe.3g61
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall set opmode mode=disable profile=all
Modifies file system:
Creates the following files:
<Full path to file>:ZONE.identifier
%APPDATA%\MusicMedia\c62AAD8E15E39315D27A452690A76A7B8.txt
<SYSTEM32>\firewall.cpl.new
<SYSTEM32>\firewall.cpl:Zone.Identifier
<SYSTEM32>\mmc.exe.new
<SYSTEM32>\mmc.exe:Zone.Identifier
%ALLUSERSPROFILE%\MusicMedia\dwm.exe
%ALLUSERSPROFILE%\MusicMedia\btplayerctrl.exe
Sets the 'hidden' attribute to the following files:
%ALLUSERSPROFILE%\MusicMedia\dwm.exe
%ALLUSERSPROFILE%\MusicMedia\btplayerctrl.exe
Deletes the following files:
<Full path to file>:ZONE.identifier
%APPDATA%\MusicMedia\c62AAD8E15E39315D27A452690A76A7B8.txt
<SYSTEM32>\dbVyDCKMjblEBdXCdkSjVK
<SYSTEM32>\jogAzwlGZWGhBjvu
Moves the following system files:
from <SYSTEM32>\firewall.cpl to <SYSTEM32>\Firewall.cpl.0LseSeL
from <SYSTEM32>\lwsAvPBdIKps to <SYSTEM32>\nlCfaQaesTHn
from <SYSTEM32>\yyKTQpBwHOCsI to <SYSTEM32>\lwsAvPBdIKps
from <SYSTEM32>\YxRfiABwFnrWe to <SYSTEM32>\yyKTQpBwHOCsI
from <SYSTEM32>\kIQtwsTcsOrDh to <SYSTEM32>\YxRfiABwFnrWe
from <SYSTEM32>\iVGoqAaQONxd to <SYSTEM32>\kIQtwsTcsOrDh
from <SYSTEM32>\mcHJLoJBujZByQR to <SYSTEM32>\iVGoqAaQONxd
from <SYSTEM32>\DdYDBqDsiIduUuMg to <SYSTEM32>\mcHJLoJBujZByQR
from <SYSTEM32>\DhAVeTDnqABVc to <SYSTEM32>\DdYDBqDsiIduUuMg
from <SYSTEM32>\KMOPrxtwMxcpyP to <SYSTEM32>\DhAVeTDnqABVc
from <SYSTEM32>\HLshveybJQhMonWZ to <SYSTEM32>\KMOPrxtwMxcpyP
from <SYSTEM32>\tGRdlcOvBqBv to <SYSTEM32>\HLshveybJQhMonWZ
from <SYSTEM32>\SOnILSbgyBkucSWl to <SYSTEM32>\tGRdlcOvBqBv
from <SYSTEM32>\buVwWTdVnRfpb to <SYSTEM32>\SOnILSbgyBkucSWl
from <SYSTEM32>\mpQaGmKZltbX to <SYSTEM32>\buVwWTdVnRfpb
from <SYSTEM32>\EevNDutIQwbGWL to <SYSTEM32>\mpQaGmKZltbX
from <SYSTEM32>\xqKbjztXEgAqwo to <SYSTEM32>\EevNDutIQwbGWL
from <SYSTEM32>\mmc.exe.3g61 to <SYSTEM32>\xqKbjztXEgAqwo
from <SYSTEM32>\mmc.exe to <SYSTEM32>\mmc.exe.3g61
from <SYSTEM32>\Jh{FXdNIiwJhVlNMdGDxbX to <SYSTEM32>\dbVyDCKMjblEBdXCdkSjVK
from <SYSTEM32>\McMQLLTuxXchvejvPdUbZXu to <SYSTEM32>\Jh{FXdNIiwJhVlNMdGDxbX
from <SYSTEM32>\HukcoJVFQJhGrDTNDmagBKHl to <SYSTEM32>\McMQLLTuxXchvejvPdUbZXu
from <SYSTEM32>\AUWrldJwcYGqkPomGpjn to <SYSTEM32>\HukcoJVFQJhGrDTNDmagBKHl
from <SYSTEM32>\OqAlmzdUYJjeQaZkNPyhXKCu to <SYSTEM32>\AUWrldJwcYGqkPomGpjn
from <SYSTEM32>\XobmjRdYIEBJFwvNSXqRvE to <SYSTEM32>\OqAlmzdUYJjeQaZkNPyhXKCu
from <SYSTEM32>\vUCxsMgkWcoLVuAxaHqgG to <SYSTEM32>\XobmjRdYIEBJFwvNSXqRvE
from <SYSTEM32>\jMHByUVedvFMAeBFDAvBt to <SYSTEM32>\vUCxsMgkWcoLVuAxaHqgG
from <SYSTEM32>\zLQRMHuI[FnVqHiVOjOmj to <SYSTEM32>\jMHByUVedvFMAeBFDAvBt
from <SYSTEM32>\DfdKIGBHUmWCBdftNdMCbgrm to <SYSTEM32>\zLQRMHuI[FnVqHiVOjOmj
from <SYSTEM32>\Firewall.cpl.0LseSeL to <SYSTEM32>\DfdKIGBHUmWCBdftNdMCbgrm
from <SYSTEM32>\nlCfaQaesTHn to <SYSTEM32>\piTOTdYysaPPw
from <SYSTEM32>\piTOTdYysaPPw to <SYSTEM32>\jogAzwlGZWGhBjvu
Moves the following files:
from <Full path to file> to %ALLUSERSPROFILE%\MusicMedia\dwm.exe
Network activity:
Connects to:
'ap#.##pmania.com':80
'07########1b568bdec00f91120d6be6.ru':80
'57########9e9bbd24ba0738237c2c05.su':80
TCP:
HTTP GET requests:
HTTP POST requests:
http://07#########B568BDEC00F91120D6BE6.RU:80/panel/page.php via 07########1b568bdec00f91120d6be6.ru
http://57#########E9BBD24BA0738237C2C05.SU:80/panel/page.php via 57########9e9bbd24ba0738237c2c05.su
UDP:
DNS ASK ap#.##pmania.com
DNS ASK 07########1B568BDEC00F91120D6BE6.RU
DNS ASK 57########9E9BBD24BA0738237C2C05.SU
DNS ASK 99########3F94D350DB34D548D6091A.RU
Miscellaneous:
Creates and executes the following:
Executes the following:
'<SYSTEM32>\cmd.exe' /c echo [zoneTransfer]ZoneID = 2 > "<Full path to file>":ZONE.identifier & exit
'<SYSTEM32>\sc.exe' config SharedAccess start= disabled
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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