Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft' = 'file:///C:/af32d3b0/<Virus name>.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorun.exe
Malicious functions:
Creates and executes the following:
- %TEMP%\tmp1.tmp.exe
- %TEMP%\tmp1.tmp.exe (downloaded from the Internet)
Modifies file system :
Creates the following files:
- %TEMP%\21C96.dmp
- %APPDATA%sc4.vbs
- %TEMP%\tmp1.tmp.exe
- %TEMP%\dw.log
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorun.exe
Network activity:
Connects to:
- 'dl.##opbox.com':80
- 'wp#d':80
TCP:
HTTP GET requests:
- dl.##opbox.com/u/30651532/ReltekHDvcs.exe
- wp#d/wpad.dat
UDP:
- DNS ASK dl.##opbox.com
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
