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Win32.HLLW.Autoruner2.1220
Added to the Dr.Web virus database:
2014-01-13
Virus description added:
2014-01-14
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'f6d5404a1b8662a3919800f93a8c0af3' = '"%TEMP%\trojanx.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'f6d5404a1b8662a3919800f93a8c0af3' = '"%TEMP%\trojanx.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\f6d5404a1b8662a3919800f93a8c0af3.exe
%HOMEPATH%\Start Menu\Programs\Startup\! My Image.scr
Creates the following files on removable media:
<Drive name for removable media>:\! My Image.scr
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\trojanx.exe' = '%TEMP%\trojanx.exe:*:Enabled:trojanx.exe'
Creates and executes the following:
'%TEMP%\trojanx.exe'
'%TEMP%\boube.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\trojanx.exe" "trojanx.exe" ENABLE
Modifies file system :
Creates the following files:
C:\! My Image.scr
%TEMP%\trojanx.exe
%TEMP%\aut1.tmp
%TEMP%\boube.exe
Deletes the following files:
<Drive name for removable media>:\! My Image.scr
C:\! My Image.scr
%TEMP%\aut1.tmp
Network activity:
Connects to:
UDP:
DNS ASK dz####ka.zapto.org
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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