Win32.HLLW.Autoruner.54000

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'

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