Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'WindowsUpdate' = '%APPDATA%\Microsoft\Windows\svchost.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Microsoft\Windows\svchost.exe' = '%APPDATA%\Microsoft\Windows\svchost.exe:*:Enabled:Microsoft Windows Update'
Creates and executes the following:
- '%APPDATA%\Microsoft\Windows\svchost.exe' "<Full path to virus>"
Executes the following:
- '<SYSTEM32>\net1.exe' netsh firewall set opmode disable
- '<SYSTEM32>\net1.exe' stop wscsvc
- '<SYSTEM32>\net1.exe' stop MpsSvc
- '<SYSTEM32>\net.exe' stop wscsvc
- '<SYSTEM32>\net.exe' stop MpsSvc
- '<SYSTEM32>\sc.exe' config mpssvc start=Disabled
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\uplink[1].htm
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\uplink[1].htm
- %APPDATA%\Microsoft\Windows\svchost.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\Microsoft\Windows\svchost.exe
Deletes itself.
Network activity:
Connects to:
- 'ho###n45r.com':80
- '62.##.221.37':80
UDP:
- DNS ASK on###mes21s.com
- DNS ASK ho###n45r.com
