Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Google - lostdoor' = '%APPDATA%\Google\lostdoor.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\SysPro.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Terminates or attempts to terminate
the following user processes:
- bdagent.exe
- zlclient.exe
- AVP.EXE
- outpost.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\dllcache\myporn.scr
- <SYSTEM32>\dllcache\doc.pif
- <DRIVERS>\svchost.exe
- <SYSTEM32>\dllcache\recycled.exe
- %APPDATA%\Google\lostdoor.exe
- C:\autorun.inf
- C:\SysPro.exe
Sets the 'hidden' attribute to the following files:
- C:\SysPro.exe
- C:\autorun.inf
- %APPDATA%\Google\lostdoor.exe
Network activity:
Connects to:
- 'sm##.gmail.com':587
- 'www.ha###key.com':80
TCP:
HTTP GET requests:
- www.ha###key.com/ip.php
UDP:
- DNS ASK sm##.gmail.com
- DNS ASK www.ha###key.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
