Win32.HLLW.Autoruner2.5563
Added to the Dr.Web virus database:
2014-02-06
Virus description added:
2014-02-07
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
Creates the following files on removable media:
- <Drive name for removable media>:\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:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\jusched.exe" "jusched.exe" ENABLE
Searches for windows to
detect analytical utilities:
- ClassName: '(null)' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'GBDYLLO' WindowName: '(null)'
- ClassName: 'OLLYDBG' WindowName: '(null)'
- ClassName: 'FilemonClass' WindowName: '(null)'
- ClassName: 'pediy06' WindowName: '(null)'
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\48a652360ccb11ffe81841cc6f325b12.exe
Deletes the following files:
- <SYSTEM32>\PerfStringBackup.TMP
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '18467-41' WindowName: '(null)'
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