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Win32.HLLW.Autoruner2.4299
Added to the Dr.Web virus database:
2014-02-01
Virus description added:
2014-02-02
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '17cd493e219fed374e16a4dd9236b5bc' = '"%TEMP%\widows.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '17cd493e219fed374e16a4dd9236b5bc' = '"%TEMP%\widows.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\widows.exe' = '%TEMP%\widows.exe:*:Enabled:widows.exe'
Creates and executes the following:
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\widows.exe" "widows.exe" ENABLE
Modifies file system :
Creates the following files:
Network activity:
Connects to:
'sa####11.no-ip.biz':5552
UDP:
DNS ASK sa####11.no-ip.biz
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
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