Win32.HLLW.Autoruner2.2640

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pasaz' = '%HOMEPATH%\pasaz.exe /L'

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>:\jmmz.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\pasaz.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\pasazx.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%\pasaz.exe'

Modifies file system :

Creates the following files:

%HOMEPATH%\pasaz.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\pasaz.exe
<Drive name for removable media>:\pasazx.exe
<Drive name for removable media>:\jmmz.ico
%HOMEPATH%\pasaz.exe
<Drive name for removable media>:\autorun.inf

Deletes the following files:

<SYSTEM32>\PerfStringBackup.TMP

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Searches for the following windows:

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

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Technical Information