Win32.HLLW.Autoruner1.44864

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'laufiw' = '%HOMEPATH%\laufiw.exe /H'

Creates the following files on removable media:

<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\laufiw.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\laufiwx.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%\laufiw.exe'

Modifies file system :

Creates the following files:

%HOMEPATH%\laufiw.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\laufiw.exe
<Drive name for removable media>:\laufiwx.exe
%HOMEPATH%\laufiw.exe
<Drive name for removable media>:\autorun.inf

Network activity:

Connects to:

'ns#.##deconline.biz':8003

UDP:

DNS ASK ns#.##deconline.biz

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: '(null)'

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Technical Information