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Win32.HLLW.Autoruner1.58879

Aggiunto al database dei virus Dr.Web: 2013-10-18

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'firewall 2008' = '<SYSTEM32>\logoneui.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe logoneui.exe'
Creates or modifies the following files:
  • %WINDIR%\Tasks\At1.job
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\logoneui.exe
  • <Drive name for removable media>:\Maradona.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\winlogon.exe' = '<SYSTEM32>\winlogon.exe:*:enabled:@shell32.dll,-1'
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
blocks execution of the following system utilities:
  • Windows Task Manager (Taskmgr)
  • Registry Editor (RegEdit)
Executes the following:
  • '<SYSTEM32>\logonui.exe' /status /shutdown
  • '<SYSTEM32>\at.exe' 22:00 /interactive /EVERY:m,t,w,th,f,s,su <SYSTEM32>\logoneui.exe
  • '<SYSTEM32>\at.exe' /delete /yes
Injects code into
the following system processes:
  • <SYSTEM32>\winlogon.exe
Terminates or attempts to terminate
the following system processes:
  • <SYSTEM32>\cmd.exe
the following user processes:
  • avgcc.exe
Restores hooked functions in System Service Descriptor Table (SSDT).
Modifies settings of Windows Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NofolderOptions' = '00000001'
Sets a new unauthorized home page for Windows Internet Explorer.
Attempts to shut down the Windows operating system.
Modifies file system :
Creates the following files:
  • C:\Jojo.exe
  • <SYSTEM32>\autorun.ini
  • C:\autorun.inf
  • C:\logoneui.exe
  • %WINDIR%\Web\connection.dat
  • <SYSTEM32>\logoneui.exe
  • C:\info.bat
  • <SYSTEM32>\boote\boot.ini
Sets the 'hidden' attribute to the following files:
  • C:\autorun.inf
  • <Drive name for removable media>:\autorun.inf
  • <SYSTEM32>\logoneui.exe
  • <SYSTEM32>\autorun.ini
Network activity:
Connects to:
  • 'zh##ia.com':443
  • 'mo##ym.com':443
  • 'te##eo.com':443
  • 'ih##ob.com':443
  • 'oi##hi.com':443
  • 'ky##vi.com':443
  • 'xw##vs.com':443
  • 'il#.#renz.pl':80
  • 'an#.#renz.pl':80
  • 'fr##zk.com':443
  • 'zl##la.com':443
UDP:
  • DNS ASK zh##ia.com
  • DNS ASK mo##ym.com
  • DNS ASK te##eo.com
  • DNS ASK ih##ob.com
  • DNS ASK oi##hi.com
  • DNS ASK ky##vi.com
  • DNS ASK xw##vs.com
  • DNS ASK il#.#renz.pl
  • DNS ASK an#.#renz.pl
  • DNS ASK fr##zk.com
  • DNS ASK zl##la.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'
  • ClassName: 'StatusWindowClass' WindowName: '(null)'
  • ClassName: 'Indicator' WindowName: '(null)'