Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\CfgClt] 'Start' = '00000002'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\CfgClt.exe' = '<SYSTEM32>\CfgClt.exe:*:Enabled:CfgClt'
Creates and executes the following:
- <SYSTEM32>\CfgClt.exe StartService
Modifies file system :
Creates the following files:
- <SYSTEM32>\CfgClt.exe.tmp
Deletes the following files:
- %WINDIR%\bootstat.dat
