Win32.HLLW.Autoruner2.36342

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /V'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qusud' = '%HOMEPATH%\qusud.exe /s'

Creates the following files on removable media:

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\nFEf.ico
<Drive name for removable media>:\qusud.exe
<Drive name for removable media>:\qusudx.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%\qusud.exe

Sets the 'hidden' attribute to the following files:

%HOMEPATH%\qusud.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\nFEf.ico
<Drive name for removable media>:\qusud.exe
<Drive name for removable media>:\qusudx.exe

Network activity:

Connects to:

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

UDP:

DNS ASK ns#.##ayer1532.com

Miscellaneous:

Creates and executes the following:

'%HOMEPATH%\qusud.exe'

Технології

Терміни

Навчання

Міфи

Technical Information