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 (downloaded from the Internet)
Modifies file system :
Creates the following files:
- %TEMP%\24D7A.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:
- 'yo#####al.fileave.com':80
TCP:
HTTP GET requests:
- yo#####al.fileave.com/file.exe
UDP:
- DNS ASK wo#####up.localdomain
- DNS ASK yo#####al.fileave.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
