Win32.HLLW.Autoruner.51824

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /U'
[<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\2784058736] 'Name' = '"%TEMP%\3.tmp"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'reariej' = '%HOMEPATH%\reariej.exe /v'

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>:\lrq.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\reariej.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\reariejx.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%\e.exe
%HOMEPATH%\reariej.exe
%HOMEPATH%\c2NFX0MGQ2tn2EY9.exe
%HOMEPATH%\d.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] '1400' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'

Modifies file system :

Creates the following files:

%WINDIR%\Temp\4.tmp
%HOMEPATH%\reariej.exe
%TEMP%\Rlb..bat
%TEMP%\2.tmp
%HOMEPATH%\c2NFX0MGQ2tn2EY9.exe
%HOMEPATH%\d.exe
%HOMEPATH%\e.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\reariej.exe
<Drive name for removable media>:\reariejx.exe
<Drive name for removable media>:\lrq.ico
%HOMEPATH%\reariej.exe
<Drive name for removable media>:\autorun.inf

Deletes the following files:

%HOMEPATH%\c2NFX0MGQ2tn2EY9.exe
%HOMEPATH%\e.exe
%WINDIR%\Temp\4.tmp
%TEMP%\3.tmp
<DRIVERS>\etc\hosts

Network activity:

Connects to:

'vo###opix.in':80

TCP:

HTTP POST requests:

vo###opix.in/56g6gt.php?in##############################################################################################################

UDP:

DNS ASK ye##.com
DNS ASK vo###opix.in
DNS ASK re###blica.it
DNS ASK se##aa.net

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: ''

Technologies

Terminology

Training and education

Myths

Technical Information