Win32.HLLW.Autoruner2.37880

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'roabuu' = '%HOMEPATH%\roabuu.exe /Y'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\AZRO.ico
<Drive name for removable media>:\roabuu.exe
<Drive name for removable media>:\roabuux.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%\roabuu.exe

Sets the 'hidden' attribute to the following files:

%HOMEPATH%\roabuu.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\AZRO.ico
<Drive name for removable media>:\roabuu.exe
<Drive name for removable media>:\roabuux.exe

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\roabuu.exe'

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Technical Information