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Win32.HLLW.Autoruner1.57536

Aggiunto al database dei virus Dr.Web: 2013-10-04

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'lsssass' = '%APPDATA%\lsssass.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Mirc.exe
Malicious functions:
Creates and executes the following:
  • '%APPDATA%\lsssass.exe'
  • '%TEMP%\WFIZCEARZUAQQSUNRDMFKL.EXE'
  • '%TEMP%\PONYRETNBYVLCQHICBGFTVT.EXE'
Executes the following:
  • '<SYSTEM32>\ntvdm.exe' -f -i1
  • '<SYSTEM32>\ntvdm.exe' -f -i2
  • '<SYSTEM32>\net.exe' stop sharedaccess
  • '<SYSTEM32>\net1.exe' stop sharedaccess
Modifies file system :
Creates the following files:
  • %WINDIR%\Temp\scs1.tmp
  • %TEMP%\ZVFRHRMUMFZFBDQZXMEHBB.EXE
  • %WINDIR%\Temp\scs2.tmp
  • %WINDIR%\Temp\scs4.tmp
  • %WINDIR%\Temp\scs3.tmp
  • %TEMP%\LQZJUJEWOJAQQYCOVRYTASC.EXE
  • %TEMP%\WFIZCEARZUAQQSUNRDMFKL.EXE
  • %TEMP%\PONYRETNBYVLCQHICBGFTVT.EXE
  • %APPDATA%\Dated.dat
  • %APPDATA%\lsssass.exe
Deletes the following files:
  • %WINDIR%\Temp\scs1.tmp
  • %WINDIR%\Temp\scs4.tmp
  • %WINDIR%\Temp\scs3.tmp
  • %TEMP%\~DF6658.tmp
  • %WINDIR%\Temp\scs2.tmp
Network activity:
Connects to:
  • 'jo####win.no-ip.biz':2185
UDP:
  • DNS ASK jo####win.no-ip.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-bc0.bc8.3b0002'
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-bb4.bb8.3a0001'
  • ClassName: 'Indicator' WindowName: '(null)'