Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'putkb_.exe' = '%APPDATA%\Roaming\putkb_.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'putkb_.exe' = '%APPDATA%\Roaming\putkb_.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\LaunchDrive.exe
Malicious functions:
Creates and executes the following:
- '%APPDATA%\Roaming\putkb_.exe'
Modifies file system :
Creates the following files:
- \Device\HarddiskVolume3\autorun.inf
- \Device\HarddiskVolume3\LaunchDrive.exe
- \Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
- \Device\Mup\.host\Shared Folders\vm_shara\LaunchDrive.exe
- %APPDATA%\Roaming\putkb_.exe
- %APPDATA%\Roaming\0000000001
- C:\autorun.inf
- C:\LaunchDrive.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- \Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
- \Device\HarddiskVolume3\autorun.inf
- %APPDATA%\Roaming\putkb_.exe
- C:\autorun.inf
Network activity:
Connects to:
- 'tr###.colo.owned.hu':31099
UDP:
- DNS ASK dn#.##ftncsi.com
- DNS ASK tr###.colo.owned.hu
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
