Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Internet Security' = '%APPDATA%\Microsoft\svclss.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\svclss.exe.lnk
- <Drive name for removable media>:\svclss.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\Microsoft\svclss.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\CA01K30W.php
- %APPDATA%\Microsoft\svclss.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\svclss.exe
- <Full path to virus>
- %APPDATA%\Microsoft\svclss.exe
Deletes the following files:
- <Drive name for removable media>:\svclss.exe.lnk
Network activity:
Connects to:
- 'an####downsend.info':80
UDP:
- DNS ASK an####downsend.info
- '<Private IP address>':1037
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
