Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'RMTsys' = 'C:\rmtsys\rmtsys.exe'
Malicious functions:
Creates and executes the following:
- 'C:\rmtsys\rmtsys.exe'
- 'C:\rmtsys\updatermtsys.exe'
Modifies file system :
Creates the following files:
- C:\rmtsys\rmtsys.exe
- %TEMP%\dw.log
- %TEMP%\2EAE3.dmp
- C:\rmtsys\newrmtsys.exe
- C:\rmtsys\updatermtsys.jpg
- C:\rmtsys\updatermtsys.exe
Deletes the following files:
- C:\rmtsys\updatermtsys.exe
- C:\rmtsys\newrmtsys.exe
- C:\rmtsys\updatermtsys.jpg
Network activity:
Connects to:
- 'sm##.gmail.com':587
- 'ch####p.dyndns.org':8245
- 'wp#d':80
TCP:
HTTP GET requests:
- wp#d/wpad.dat
UDP:
- DNS ASK sm##.gmail.com
- DNS ASK ch####p.dyndns.org
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
