Win32.HLLW.Autoruner2.41546

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tieap' = '%HOMEPATH%\tieap.exe /O'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\akr.ico
<Drive name for removable media>:\tieap.exe
<Drive name for removable media>:\tieapx.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%\tieap.exe

Sets the 'hidden' attribute to the following files:

%HOMEPATH%\tieap.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\akr.ico
<Drive name for removable media>:\tieap.exe
<Drive name for removable media>:\tieapx.exe

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\tieap.exe'

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Technical Information