Win32.HLLW.Autoruner2.35382

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'siugib' = '%HOMEPATH%\siugib.exe /h'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Gts.ico
<Drive name for removable media>:\siugib.exe
<Drive name for removable media>:\siugibx.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\Video.lnk

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Modifies file system:

Creates the following files:

%HOMEPATH%\siugib.exe

Sets the 'hidden' attribute to the following files:

%HOMEPATH%\siugib.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Gts.ico
<Drive name for removable media>:\siugib.exe
<Drive name for removable media>:\siugibx.exe

Network activity:

Connects to:

'ns#.##ayer1532.com':8000

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\siugib.exe'

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Technical Information