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Trojan.DownLoader12.6673
Added to the Dr.Web virus database:
2015-01-15
Virus description added:
2015-01-15
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '*ManagrMediaMicro' = '"%ALLUSERSPROFILE%\ManagrMediaMicro\conhost.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.1P1X27
<SYSTEM32>\Firewall.cpl.7N2VFI
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%\ManagrMediaMicro\vmwareuser.exe
<SYSTEM32>\mmc.exe:Zone.Identifier
<SYSTEM32>\firewall.cpl:Zone.Identifier
Sets the 'hidden' attribute to the following files:
%ALLUSERSPROFILE%\ManagrMediaMicro\vmwareuser.exe
Deletes the following files:
<SYSTEM32>\wbem\Performance\WmiApRpl.ini
<SYSTEM32>\PerfStringBackup.TMP
<SYSTEM32>\dgqjDxXjloBNoeJvMnfEgZV
<SYSTEM32>\uiuyPDXfUhBELi
Moves the following system files:
from <SYSTEM32>\VXqqOxvkXhCKpFNlrZ to <SYSTEM32>\iIXnYCDHgemwAYJ
from <SYSTEM32>\THoiCwgWhoitGqv to <SYSTEM32>\VXqqOxvkXhCKpFNlrZ
from <SYSTEM32>\LJMZNweAXJZYuhhvIH to <SYSTEM32>\ulajXdjoKJLTcmopF
from <SYSTEM32>\iIXnYCDHgemwAYJ to <SYSTEM32>\LJMZNweAXJZYuhhvIH
from <SYSTEM32>\tpNWLRdImUrApkfDbKD to <SYSTEM32>\dgqjDxXjloBNoeJvMnfEgZV
from <SYSTEM32>\wmOHfPwwpfQngsKgvhdaW to <SYSTEM32>\tpNWLRdImUrApkfDbKD
from <SYSTEM32>\mmc.exe.1P1X27 to <SYSTEM32>\THoiCwgWhoitGqv
from <SYSTEM32>\mmc.exe to <SYSTEM32>\mmc.exe.1P1X27
from <SYSTEM32>\GApDNUOMrciQVsJfcH to <SYSTEM32>\ibqWGXvsmHcQru
from <SYSTEM32>\ARydVKLQGQREJncVbC to <SYSTEM32>\GApDNUOMrciQVsJfcH
from <SYSTEM32>\emNflRzdWtMwiK to <SYSTEM32>\uiuyPDXfUhBELi
from <SYSTEM32>\ibqWGXvsmHcQru to <SYSTEM32>\emNflRzdWtMwiK
from <SYSTEM32>\wRoTQxXZEhUyBbnCua to <SYSTEM32>\DEEMFpfIIIJoekvo
from <SYSTEM32>\ulajXdjoKJLTcmopF to <SYSTEM32>\wRoTQxXZEhUyBbnCua
from <SYSTEM32>\uBmPiitCrQincKpibQ to <SYSTEM32>\ARydVKLQGQREJncVbC
from <SYSTEM32>\DEEMFpfIIIJoekvo to <SYSTEM32>\uBmPiitCrQincKpibQ
from <SYSTEM32>\GgAQTHxiyphBStiVJzJd to <SYSTEM32>\wmOHfPwwpfQngsKgvhdaW
from <SYSTEM32>\cnVNWqVOPHxcMnoAPYvgZX to <SYSTEM32>\bmcpCoYdTGiDZVRxcYk
from <SYSTEM32>\EnRIVXcmdWsDnKlIiuVJ to <SYSTEM32>\cnVNWqVOPHxcMnoAPYvgZX
from <SYSTEM32>\PhXequDbBrtwmytgXUgmOLA to <SYSTEM32>\rJXsztaZvbuXAEVZYbyTwx
from <SYSTEM32>\bmcpCoYdTGiDZVRxcYk to <SYSTEM32>\PhXequDbBrtwmytgXUgmOLA
from <SYSTEM32>\Firewall.cpl.7N2VFI to <SYSTEM32>\FSzFAXqsCBiSTJsLdwpN
from <SYSTEM32>\firewall.cpl to <SYSTEM32>\Firewall.cpl.7N2VFI
from <SYSTEM32>\ZSRaLntgGMnubUSvHiaABpo to <SYSTEM32>\EnRIVXcmdWsDnKlIiuVJ
from <SYSTEM32>\FSzFAXqsCBiSTJsLdwpN to <SYSTEM32>\ZSRaLntgGMnubUSvHiaABpo
from <SYSTEM32>\nucQkyewjjySJCSfKcQ to <SYSTEM32>\bjWhMQDdOoWifxOtWDAyAZu
from <SYSTEM32>\kAYetVMy[WjxirssGSnkmm to <SYSTEM32>\nucQkyewjjySJCSfKcQ
from <SYSTEM32>\TTXPsnZmYmifxiSpgZZKuea to <SYSTEM32>\GgAQTHxiyphBStiVJzJd
from <SYSTEM32>\bjWhMQDdOoWifxOtWDAyAZu to <SYSTEM32>\TTXPsnZmYmifxiSpgZZKuea
from <SYSTEM32>\pXnbJZBClyxVwftYrfi to <SYSTEM32>\TTNxvRHZzYBBpPdobtA
from <SYSTEM32>\rJXsztaZvbuXAEVZYbyTwx to <SYSTEM32>\pXnbJZBClyxVwftYrfi
from <SYSTEM32>\ynGOOsMWzYgnHuFYdnQO to <SYSTEM32>\kAYetVMy[WjxirssGSnkmm
from <SYSTEM32>\TTNxvRHZzYBBpPdobtA to <SYSTEM32>\ynGOOsMWzYgnHuFYdnQO
Moves itself:
from <Full path to virus> to %ALLUSERSPROFILE%\ManagrMediaMicro\conhost.exe
Network activity:
Connects to:
TCP:
HTTP POST requests:
si###odkeys.pw/keys/page.php
UDP:
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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