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Win32.HLLW.Autoruner.58433

Aggiunto al database dei virus Dr.Web: 2013-11-11

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{33GWQ6V0-G25S-7BJJ-065X-120W0NKV5JFB}] 'StubPath' = '<SYSTEM32>\netcom\explor.exe Restart'
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{33GWQ6V0-G25S-7BJJ-065X-120W0NKV5JFB}] 'StubPath' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = ''
Malicious functions:
Creates and executes the following:
  • '<SYSTEM32>\netcom\explor.exe'
  • '%TEMP%\server.exe'
  • 'C:\t1down.exe'
Executes the following:
  • '%WINDIR%\explorer.exe'
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %APPDATA%\logs.dat
  • %TEMP%\XxX.xXx
  • %TEMP%\UuU.uUu
  • %TEMP%\XX--XX--XX.txt
  • C:\t1down.exe
  • %TEMP%\server.exe
  • <SYSTEM32>\netcom\explor.exe
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\logs.dat
Deletes the following files:
  • %TEMP%\UuU.uUu
  • %TEMP%\XxX.xXx
  • <SYSTEM32>\netcom\explor.exe
  • %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
  • 'localhost':81
  • 'ri####47.no-ip.biz':81
UDP:
  • DNS ASK ri####47.no-ip.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'
  • ClassName: 'EDIT' WindowName: '(null)'