Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Service' = '%ALLUSERSPROFILE%\winlogon.exe'
Malicious functions:
Creates and executes the following:
- '%ALLUSERSPROFILE%\winlogon.exe'
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\winlogon.exe
Sets the 'hidden' attribute to the following files:
- %ALLUSERSPROFILE%\winlogon.exe
Network activity:
Connects to:
- 'sa####samvps.info':443
- 'ap#.##pmania.com':80
- 'wp#d':80
TCP:
HTTP GET requests:
- ap#.##pmania.com/
- wp#d/wpad.dat
UDP:
- DNS ASK sa####samvps.info
- DNS ASK ap#.##pmania.com
- DNS ASK wp#d