Win32.HLLW.Autoruner2.14768
Added to the Dr.Web virus database:
2014-05-25
Virus description added:
2014-05-26
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '48a652360ccb11ffe81841cc6f325b12' = '"%TEMP%\jusched.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '48a652360ccb11ffe81841cc6f325b12' = '"%TEMP%\jusched.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\48a652360ccb11ffe81841cc6f325b12.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\jusched.exe' = '%TEMP%\jusched.exe:*:Enabled:jusched.exe'
Creates and executes the following:
- '%WINDIR%\Unlocker1.9.1.exe'
- '%TEMP%\jusched.exe'
- '%WINDIR%\S.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\jusched.exe" "jusched.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\jusched.exe
- %TEMP%\nsl2.tmp\LangDLL.dll
- %WINDIR%\S.exe
- %TEMP%\sfx.ini
- %WINDIR%\Unlocker1.9.1.exe
Deletes the following files:
Network activity:
Connects to:
- 'gh#####344.no-ip.biz':51
UDP:
- DNS ASK gh#####344.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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