Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Executes the following:
- '<SYSTEM32>\net1.exe' stop WinDefend
- '<SYSTEM32>\net1.exe' stop security center
- '<SYSTEM32>\net.exe' stop WinDefend
- '<SYSTEM32>\netsh.exe' firewall set opmode disable
- '<SYSTEM32>\net.exe' stop security center
Terminates or attempts to terminate
the following user processes:
- MCAGENT.EXE
- mpftray.exe
- fsav32.exe
- GUARD.EXE
- zapro.exe
- ZONEALARM.EXE
- NAVAPW32.EXE
- ntvdm.exe
- ccapp.exe
- AVP.EXE
- AVP32.EXE
- AVGCC32.EXE
- AVGCTRL.EXE
- AVSYNMGR.EXE
- gw.exe
- AVPCC.EXE
- AVPM.EXE
Modifies file system:
Creates the following files:
- %TEMP%\~DF530F.tmp
Deletes the following files:
- %TEMP%\~DF530F.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
