Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Adobe Reader Speed Launcher' = '%APPDATA%\Microsoft\services556.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Adobe Reader Speed Launcher' = '%APPDATA%\Microsoft\services556.exe'
Malicious functions:
Creates and executes the following:
- %APPDATA%\Microsoft\services556.exe
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
a large number of user processes.
Modifies file system :
Creates the following files:
- %APPDATA%\Microsoft\services556.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\Microsoft\services556.exe
Network activity:
Connects to:
- 'any':5786
UDP:
- DNS ASK ns#.##sprsky.org
- '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''