Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Stub' = '%TEMP%\Sm9i6KW.exe'
Malicious functions:
Creates and executes the following:
- %TEMP%\Sm9i6KW.exe
- %TEMP%\Js5i0ZB.exe
Terminates or attempts to terminate
the following user processes:
- AVP.EXE
- smc.exe
- outpost.exe
- bdagent.exe
- fsav32.exe
- zlclient.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\x4chan[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\4cmsg[1].txt
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\4cmsg[1].txt
- %TEMP%\Js5i0ZB.exe
- %TEMP%\Sm9i6KW.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\b[1]
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\4cmsg[1].txt
Network activity:
Connects to:
- 'x4##an.org':80
- 'an####ent.110mb.com':80
- 'localhost':1038
- 'bo####.4chan.org':80
TCP:
HTTP GET requests:
- an####ent.110mb.com/4cmsg.txt
- x4##an.org/
- bo####.4chan.org/b/
UDP:
- DNS ASK an####ent.110mb.com
- DNS ASK x4##an.org
- DNS ASK bo####.4chan.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
