Win32.HLLW.Autoruner2.36423

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'zaakois' = '%HOMEPATH%\zaakois.exe /d'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\zaakois.exe
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\Sexy.exe
<Drive name for removable media>:\RCX1.tmp
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\RCX2.tmp

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%\zaakois.exe

Sets the 'hidden' attribute to the following files:

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

Deletes the following files:

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

Substitutes the following files:

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

Network activity:

Connects to:

'ns#.##ayer1352.com':8000

UDP:

DNS ASK ns#.##ayer1352.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\zaakois.exe'

Technologies

Terminology

Training and education

Myths

Technical Information