Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunServices] 'Recycler' = '%APPDATA%\csrss.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Recycler' = '%APPDATA%\csrss.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce] 'Recycler' = '%APPDATA%\csrss.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServicesOnce] 'Recycler' = '%APPDATA%\csrss.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Recycler' = '%APPDATA%\csrss.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Recycler' = '%APPDATA%\csrss.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'Recycler' = '%APPDATA%\csrss.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'Recycler' = '%APPDATA%\csrss.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\TRASH-BIN\JS4-31283\usb-upd-win_32.exe
- <Drive name for removable media>:\TRASH-BIN\JS4-31283\Desktop.ini
Malicious functions:
Creates and executes the following:
- %APPDATA%\csrss.exe
Modifies file system :
Creates the following files:
- %APPDATA%\csrss.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\TRASH-BIN\JS4-31283\usb-upd-win_32.exe
- %APPDATA%\csrss.exe
Network activity:
Connects to:
- 'gl##.no-ip.info':6667
UDP:
- DNS ASK gl##.no-ip.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''