Win32.HLLW.Autoruner2.14121
Added to the Dr.Web virus database:
2014-05-08
Virus description added:
2014-05-09
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '2270848149c4409819bd169d7edaf1e5' = '"%APPDATA%\host1.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '2270848149c4409819bd169d7edaf1e5' = '"%APPDATA%\host1.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Sf02dzjDWZIZS' = '<LS_APPDATA>\8888.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\host1.exe' = '%APPDATA%\host1.exe:*:Enabled:host1.exe'
Creates and executes the following:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\host1.exe" "host1.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\host1.exe
- <LS_APPDATA>\8888.exe
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
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