Win32.HLLW.Autoruner.63151

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nieod' = '%HOMEPATH%\nieod.exe /E'

Creates the following files on removable media:

<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\RCX3.tmp
<Drive name for removable media>:\RCX2.tmp
<Drive name for removable media>:\RCX6.tmp
<Drive name for removable media>:\RCX5.tmp
<Drive name for removable media>:\RCX4.tmp
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\nieod.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\RCX1.tmp
<Drive name for removable media>:\Sexy.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%\nieod.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\nieod.exe

Sets the 'hidden' attribute to the following files:

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

Deletes the following files:

<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\Sexy.exe

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com
'<Private IP address>':1034

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: ''

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Technical Information