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Profil

Win32.HLLW.Autoruner.54000

Added to the Dr.Web virus database: 2011-07-11

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /D'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /U'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /V'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /R'
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\3295575032] 'Name' = '"%TEMP%\3.tmp"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niciw' = '%HOMEPATH%\niciw.exe /A'
Creates the following files on removable media:
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\IjSz.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\niciw.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\niciwx.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • %HOMEPATH%\wexhost.exe 
  • %HOMEPATH%\niciw.exe 
  • %HOMEPATH%\pnbat.exe 
  • %HOMEPATH%\nPCLlle1D1.exe 
  • %HOMEPATH%\onbat.exe 
Executes the following:
  • <SYSTEM32>\tasklist.exe
Injects code into
the following system processes:
  • <SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
Modifies file system :
Creates the following files:
  • %TEMP%\2.tmp
  • %HOMEPATH%\niciw.exe
  • %TEMP%\Rlb..bat
  • %WINDIR%\Temp\4.tmp
  • %HOMEPATH%\wexhost.dll
  • %HOMEPATH%\onbat.exe
  • %HOMEPATH%\nPCLlle1D1.exe
  • %HOMEPATH%\wexhost.exe
  • %HOMEPATH%\pnbat.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\niciw.exe
  • <Drive name for removable media>:\niciwx.exe
  • <Drive name for removable media>:\IjSz.ico
  • %HOMEPATH%\niciw.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %HOMEPATH%\nPCLlle1D1.exe
  • %HOMEPATH%\onbat.exe
  • %WINDIR%\Temp\4.tmp
  • %TEMP%\3.tmp
  • <DRIVERS>\etc\hosts
Network activity:
Connects to:
  • 'di##opic.in':80
TCP:
HTTP POST requests:
  • di##opic.in/?in##############################################################################################################
UDP:
  • DNS ASK go##le.ae
  • DNS ASK di##opic.in
  • DNS ASK ik##.com
  • DNS ASK si###ell.com
Miscellaneous:
Searches for the following windows:
  • ClassName: '2135662649' WindowName: '1290275105'
  • ClassName: '1766042137' WindowName: '316127874'
  • ClassName: '541439229' WindowName: '647708403'
  • ClassName: '394590785' WindowName: '1756556105'
  • ClassName: '1016643808' WindowName: '24627301'
  • ClassName: '960102625' WindowName: '430066279'
  • ClassName: '1008701429' WindowName: '579381198'
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: '1922351159' WindowName: '834969880'
  • ClassName: '1306694165' WindowName: '494171248'
  • ClassName: '1289083711' WindowName: '591301186'
  • ClassName: '637670480' WindowName: '1997006738'
  • ClassName: '1928457052' WindowName: '1124191955'
  • ClassName: '555445440' WindowName: '933536709'
  • ClassName: '716153120' WindowName: '1904666530'
  • ClassName: '460496605' WindowName: '101929043'
  • ClassName: '27151573' WindowName: '1046861870'
  • ClassName: '576333287' WindowName: '311040901'
  • ClassName: '540800710' WindowName: '2057465314'
  • ClassName: '1615307858' WindowName: '280839073'
  • ClassName: '1710672108' WindowName: '1893229219'
  • ClassName: '890570268' WindowName: '2037912208'