Win32.HLLW.Autoruner2.37849

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'meavir' = '%HOMEPATH%\meavir.exe /K'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\gtO.ico
<Drive name for removable media>:\meavir.exe
<Drive name for removable media>:\meavirx.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%\meavir.exe

Sets the 'hidden' attribute to the following files:

%HOMEPATH%\meavir.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\gtO.ico
<Drive name for removable media>:\meavir.exe
<Drive name for removable media>:\meavirx.exe

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\meavir.exe'

Технології

Терміни

Навчання

Міфи

Technical Information