Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Comms Setup' = '%WINDIR%\winlogon.exe'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\winlogon.exe'
Terminates or attempts to terminate
the following user processes:
- AVP.EXE
- AVP32.EXE
- AVSYNMGR.EXE
- ntvdm.exe
- fsav.exe
- AVPM.EXE
- ZONEALARM.EXE
- zapro.exe
- NAVAPW32.EXE
- AVPCC.EXE
- GUARD.EXE
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\log[1].0
- %WINDIR%\winlogon.exe
Network activity:
Connects to:
- 'fr#####rt1.netfirms.com':80
TCP:
HTTP GET requests:
- fr#####rt1.netfirms.com/cgi-bin/log.cgi?ac################################################################################################
UDP:
- DNS ASK fr#####rt1.netfirms.com
Miscellaneous:
Searches for the following windows:
- ClassName: '(null)' WindowName: 'SYMNAM'
- ClassName: 'Symantec NAMApp Class' WindowName: ''
- ClassName: 'SYMIntegratorWnd' WindowName: 'Norton Antivirus'
