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Trojan.DownLoader38.22481
Aggiunto al database dei virus Dr.Web:
2021-04-02
La descrizione è stata aggiunta:
2021-04-04
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKLM>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Documents and Settings\services.exe"'
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'csrss' = '"%WINDIR%\Panther\UnattendGC\csrss.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'csrss' = '"%WINDIR%\Panther\UnattendGC\csrss.exe"'
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'mdm' = '"C:\Recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\mdm.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'mdm' = '"C:\Recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\mdm.exe"'
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'iexplore' = '"%ProgramFiles(x86)%\Internet Explorer\ieproxy\iexplore.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'iexplore' = '"%ProgramFiles(x86)%\Internet Explorer\ieproxy\iexplore.exe"'
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'iexplore' = '"%ProgramFiles(x86)%\Internet Explorer\ielowutil\iexplore.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'iexplore' = '"%ProgramFiles(x86)%\Internet Explorer\ielowutil\iexplore.exe"'
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'Idle' = '"%HOMEPATH%\Documents\My Pictures\Idle.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Idle' = '"%HOMEPATH%\Documents\My Pictures\Idle.exe"'
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'smss' = '"C:\MSOCache\All Users\{90140000-0117-0409-1000-0000000FF1CE}-C\Access.en-us\smss.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'smss' = '"C:\MSOCache\All Users\{90140000-0117-0409-1000-0000000FF1CE}-C\Access.en-us\smss.exe"'
[<HKLM>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe, "C:\Documents and Settings\services.exe", "C:\MSOCache\All Users\{90140000-0117-0409-1000-0000000FF1CE}-C...
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'services' = '"C:\Documents and Settings\services.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'services' = '"C:\Documents and Settings\services.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dwm' = '"%WINDIR%\Panther\setup.exe\dwm.exe"'
[<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'dwm' = '"%WINDIR%\Panther\setup.exe\dwm.exe"'
Creates or modifies the following files
<SYSTEM32>\tasks\services
<SYSTEM32>\tasks\smss
<SYSTEM32>\tasks\idle
<SYSTEM32>\tasks\iexplore
<SYSTEM32>\tasks\mdm
<SYSTEM32>\tasks\csrss
<SYSTEM32>\tasks\dwm
Modifies file system
Creates the following files
C:\documents and settings\services.exe
C:\documents and settings\c5b4cb5e9653cce737f29f72ba880dd4c4bab27d
C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\access.en-us\smss.exe
C:\msocache\all users\{90140000-0117-0409-1000-0000000ff1ce}-c\access.en-us\69ddcba757bf72f7d36c464c71f42baab150b2b9
%HOMEPATH%\documents\my pictures\idle.exe
%HOMEPATH%\documents\my pictures\6ccacd8608530fba3a93e87ae2225c7032aa18c1
%ProgramFiles(x86)%\internet explorer\ielowutil\iexplore.exe
%ProgramFiles(x86)%\internet explorer\ielowutil\9db6e019d4f04ef534d0f91b3462d805c40e9d20
%ProgramFiles(x86)%\internet explorer\ieproxy\iexplore.exe
%ProgramFiles(x86)%\internet explorer\ieproxy\9db6e019d4f04ef534d0f91b3462d805c40e9d20
C:\recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\mdm.exe
C:\recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\559fba5f8e44108851927af432f0edac6117c574
%WINDIR%\panther\unattendgc\csrss.exe
%WINDIR%\panther\unattendgc\886983d96e3d3e31032c679b2d4ea91b6c05afef
%WINDIR%\panther\setup.exe\dwm.exe
%WINDIR%\panther\setup.exe\6cb0b6c459d5d3455a3da700e713f2e2529862ff
Network activity
Connects to
'cn####6.tmweb.ru':80
'ip##fo.io':443
TCP
HTTP GET requests
http://cn####6.tmweb.ru/ExternalProcessortrafficTrack.php?n3#####################################################################################################################################...
'ip##fo.io':443
UDP
DNS ASK cn####6.tmweb.ru
DNS ASK ip##fo.io
Miscellaneous
Creates and executes the following
'%WINDIR%\panther\setup.exe\dwm.exe'
Executes the following
'<SYSTEM32>\schtasks.exe' /create /tn "services" /sc ONLOGON /tr "'C:\Documents and Settings\services.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "smss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0117-0409-1000-0000000FF1CE}-C\Access.en-us\smss.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "Idle" /sc ONLOGON /tr "'%HOMEPATH%\Documents\My Pictures\Idle.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "iexplore" /sc ONLOGON /tr "'%ProgramFiles(x86)%\Internet Explorer\ielowutil\iexplore.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "iexplore" /sc ONLOGON /tr "'%ProgramFiles(x86)%\Internet Explorer\ieproxy\iexplore.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "mdm" /sc ONLOGON /tr "'C:\Recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\mdm.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "csrss" /sc ONLOGON /tr "'%WINDIR%\Panther\UnattendGC\csrss.exe'" /rl HIGHEST /f
'<SYSTEM32>\schtasks.exe' /create /tn "dwm" /sc ONLOGON /tr "'%WINDIR%\Panther\setup.exe\dwm.exe'" /rl HIGHEST /f
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
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