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Win32.HLLW.Autoruner2.6253
Added to the Dr.Web virus database:
2014-02-09
Virus description added:
2014-02-10
Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] 'C:\RealtekSoundDriver\Microsoft Core Service.exe' = 'C:\RealtekSoundDriver\Microsoft Core Service.exe:*:Enabled:Microsoft COM Interop'
Creates and executes the following:
'C:\RealtekSoundDriver\Microsoft Core Service.exe'
Executes the following:
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <Current directory>\Laska.jpg
Modifies file system :
Creates the following files:
%HOMEPATH%\Recent\Laska.lnk
%HOMEPATH%\Recent\bf32d3b0.lnk
<Current directory>\Laska.jpg
C:\RealtekSoundDriver\Microsoft Core Service.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
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