Win32.HLLW.Autoruner2.1836
Added to the Dr.Web virus database:
2014-01-07
Virus description added:
2014-01-07
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '043ed596af7365236306a463494dc0f4' = '"%TEMP%\update.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '043ed596af7365236306a463494dc0f4' = '"%TEMP%\update.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\update.exe' = '%TEMP%\update.exe:*:Enabled:update.exe'
Creates and executes the following:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\update.exe" "update.exe" ENABLE
Modifies file system :
Creates the following files:
Network activity:
Connects to:
UDP:
- DNS ASK fa####a.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
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