Win32.HLLW.Autoruner.54587

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /n'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /g'
[<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\2196903120] 'Name' = '"%TEMP%\3.tmp"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'jdnaf' = '%HOMEPATH%\jdnaf.exe /E'

Creates the following files on removable media:

<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\geTf.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\jdnaf.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\jdnafx.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%\zxnote.exe
%HOMEPATH%\jdnaf.exe
%HOMEPATH%\zentp.exe
%HOMEPATH%\yuSXOFJG0Bu6q2isp7.exe
%HOMEPATH%\zento.exe

Executes the following:

<SYSTEM32>\tasklist.exe

Injects code into

the following system processes:

<SYSTEM32>\spoolsv.exe

Modifies settings of Windows Internet Explorer:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'

Modifies file system :

Creates the following files:

%TEMP%\2.tmp
%HOMEPATH%\jdnaf.exe
%TEMP%\Rlb..bat
%WINDIR%\Temp\4.tmp
%HOMEPATH%\zxnote.dll
%HOMEPATH%\zento.exe
%HOMEPATH%\yuSXOFJG0Bu6q2isp7.exe
%HOMEPATH%\zxnote.exe
%HOMEPATH%\zentp.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\jdnaf.exe
<Drive name for removable media>:\jdnafx.exe
<Drive name for removable media>:\geTf.ico
%HOMEPATH%\jdnaf.exe
<Drive name for removable media>:\autorun.inf

Deletes the following files:

%WINDIR%\Temp\4.tmp
%HOMEPATH%\zentp.exe
<DRIVERS>\etc\hosts
%HOMEPATH%\yuSXOFJG0Bu6q2isp7.exe
%TEMP%\3.tmp

Network activity:

Connects to:

'95.##3.193.138':80
'jo###nable.in':80

TCP:

HTTP GET requests:

95.##3.193.138/xxxx_2/MDUwNTYzZmZmZnwzMDAwMHwyfDF8NTd8NS4xIDI2MDAgU1AyLjB8MzJ8MHxwcm4xNQ==

HTTP POST requests:

jo###nable.in/?in##############################################################################################################

UDP:

DNS ASK go##le.ae
DNS ASK jo###nable.in
DNS ASK ik##.com
DNS ASK si###ell.com

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''

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Technical Information