Win32.HLLW.Autoruner1.57703

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /a'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /o'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /g'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gzbuup' = '%HOMEPATH%\gzbuup.exe /k'

Creates the following files on removable media:

<Drive name for removable media>:\Sexy.exe
<Drive name for removable media>:\Porn.exe
<Drive name for removable media>:\Passwords.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\gzbuup.exe
<Drive name for removable media>:\Secret.exe

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Creates and executes the following:

'%HOMEPATH%\gzbuup.exe'

Modifies file system :

Creates the following files:

%HOMEPATH%\c\Secret.exe
%HOMEPATH%\c\Sexy.exe
%HOMEPATH%\c\RCXD.tmp
%HOMEPATH%\c\autorun.inf
%HOMEPATH%\RCXA.tmp
%HOMEPATH%\RCXB.tmp
%HOMEPATH%\RCXC.tmp
%HOMEPATH%\c\RCX10.tmp
%HOMEPATH%\c\RCX11.tmp
%HOMEPATH%\c\RCX12.tmp
%HOMEPATH%\c\Passwords.exe
%HOMEPATH%\c\Porn.exe
%HOMEPATH%\c\RCXE.tmp
%HOMEPATH%\c\RCXF.tmp
%HOMEPATH%\Porn.exe
%HOMEPATH%\RCX2.tmp
%HOMEPATH%\RCX3.tmp
%HOMEPATH%\RCX1.tmp
%HOMEPATH%\gzbuup.exe
%HOMEPATH%\Secret.exe
%HOMEPATH%\Sexy.exe
%HOMEPATH%\RCX7.tmp
%HOMEPATH%\RCX8.tmp
%HOMEPATH%\RCX9.tmp
%HOMEPATH%\RCX6.tmp
%HOMEPATH%\Passwords.exe
%HOMEPATH%\RCX4.tmp
%HOMEPATH%\RCX5.tmp

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\gzbuup.exe
%HOMEPATH%\c\autorun.inf
%HOMEPATH%\gzbuup.exe
<Drive name for removable media>:\autorun.inf

Deletes the following files:

%HOMEPATH%\c\Passwords.exe
%HOMEPATH%\c\Porn.exe
%HOMEPATH%\c\Secret.exe
%HOMEPATH%\c\autorun.inf
%HOMEPATH%\c\Sexy.exe
%HOMEPATH%\Porn.exe
%HOMEPATH%\Sexy.exe
%HOMEPATH%\Secret.exe
%HOMEPATH%\Passwords.exe

Moves the following files:

from %HOMEPATH%\RCXC.tmp to %HOMEPATH%\Passwords.exe
from %HOMEPATH%\c\RCXD.tmp to %HOMEPATH%\c\Sexy.exe
from %HOMEPATH%\RCXA.tmp to %HOMEPATH%\Passwords.exe
from %HOMEPATH%\RCXB.tmp to %HOMEPATH%\Passwords.exe
from %HOMEPATH%\c\RCXE.tmp to %HOMEPATH%\c\Porn.exe
from %HOMEPATH%\c\RCX11.tmp to %HOMEPATH%\c\Passwords.exe
from %HOMEPATH%\c\RCX12.tmp to %HOMEPATH%\c\Passwords.exe
from %HOMEPATH%\c\RCXF.tmp to %HOMEPATH%\c\Porn.exe
from %HOMEPATH%\c\RCX10.tmp to %HOMEPATH%\c\Passwords.exe
from %HOMEPATH%\RCX3.tmp to %HOMEPATH%\Porn.exe
from %HOMEPATH%\RCX4.tmp to %HOMEPATH%\Passwords.exe
from %HOMEPATH%\RCX1.tmp to %HOMEPATH%\Sexy.exe
from %HOMEPATH%\RCX2.tmp to %HOMEPATH%\Porn.exe
from %HOMEPATH%\RCX5.tmp to %HOMEPATH%\Passwords.exe
from %HOMEPATH%\RCX8.tmp to %HOMEPATH%\Porn.exe
from %HOMEPATH%\RCX9.tmp to %HOMEPATH%\Porn.exe
from %HOMEPATH%\RCX6.tmp to %HOMEPATH%\Passwords.exe
from %HOMEPATH%\RCX7.tmp to %HOMEPATH%\Sexy.exe

Network activity:

Connects to:

'ns#.##xonline3.com':7004
'ns#.##xonline2.org':7004
'ns#.##xonline3.org':7004
'ns#.##xonline3.net':7004
'ns#.##xonline2.net':7004
'ns#.##xonline1.net':7004
'ns#.##xonline1.com':7004
'ns#.##xonline2.com':7004
'ns#.##xonline1.org':7004

UDP:

DNS ASK ns#.##xonline3.com
DNS ASK ns#.##xonline2.org
DNS ASK ns#.##xonline3.org
DNS ASK ns#.##xonline3.net
DNS ASK ns#.##xonline2.net
DNS ASK ns#.##xonline1.net
DNS ASK ns#.##xonline1.com
DNS ASK ns#.##xonline2.com
DNS ASK ns#.##xonline1.org

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: '(null)'

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Technical Information