Win32.HLLW.Autoruner2.35853

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cvhoag' = '%HOMEPATH%\cvhoag.exe /c'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RLh.ico
<Drive name for removable media>:\cvhoag.exe
<Drive name for removable media>:\cvhoagx.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%\cvhoag.exe

Sets the 'hidden' attribute to the following files:

%HOMEPATH%\cvhoag.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RLh.ico
<Drive name for removable media>:\cvhoag.exe
<Drive name for removable media>:\cvhoagx.exe

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\cvhoag.exe'

Tecnologías

Términos

Formación y educación

Mitos

Technical Information