Win32.HLLW.Autoruner2.16851
Added to the Dr.Web virus database:
2014-08-12
Virus description added:
2014-08-12
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'bb6264cbe91256bb095f3ee713d8fef9' = '"%TEMP%\Windows.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'bb6264cbe91256bb095f3ee713d8fef9' = '"%TEMP%\Windows.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Windows.exe' = '%TEMP%\Windows.exe:*:Enabled:Windows.exe'
Creates and executes the following:
- '%TEMP%\Windows.exe'
- '%WINDIR%\system\Nat seting\FileProtectedCSharp.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Windows.exe" "Windows.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %WINDIR%\system\Nat seting\6r6r6rtrrrffrr_n.jpg
Modifies file system :
Creates the following files:
- %TEMP%\Windows.exe
- %HOMEPATH%\Recent\6r6r6rtrrrffrr_n.lnk
- %HOMEPATH%\Recent\Nat seting.lnk
- %TEMP%\sfx.ini
- %WINDIR%\system\Nat seting\6r6r6rtrrrffrr_n.jpg
- %WINDIR%\system\Nat seting\FileProtectedCSharp.exe
Deletes the following files:
Network activity:
Connects to:
UDP:
- DNS ASK al###.myq-see.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
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