Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft' = 'file:///C:/Documents and Settings/%USERNAME%/Application Data/Microsoft/Protect/Credentials/wmpnetvk.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft' = 'file:///C:/af32d3b0/<Virus name>.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft® Windows® Operating System' = '%APPDATA%\Microsoft\Protect\Credentials\taskhostt.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorun.exe
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
Creates and executes the following:
- %TEMP%\tmp1.tmp.exe (downloaded from the Internet)
- %TEMP%\tmp2.tmp.exe (downloaded from the Internet)
- %APPDATA%\Microsoft\Protect\Credentials\taskhostt.exe
- %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe
Modifies file system :
Creates the following files:
- %TEMP%\tmp1.tmp.exe
- %TEMP%\tmp2.tmp.exe
- %APPDATA%\Microsoft\Protect\Credentials\taskhostt.exe
- %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe
- %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe:ZONE.identifier
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorun.exe
- %APPDATA%\Microsoft\Protect\Credentials\wmpnetvk.exe
Network activity:
Connects to:
- 'zi###.no-ip.org':80
TCP:
HTTP GET requests:
- zi###.no-ip.org/lsass.exe
UDP:
- DNS ASK zi###.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''