Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Check Update' = '%TEMP%\{129adf75-cc85-02aa-828a-f39752444ce2}\603817j1.exe'
Malicious functions:
Executes the following:
- '<SYSTEM32>\svchost.exe'
- '<SYSTEM32>\msiexec.exe'
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\msiexec.exe
Modifies file system:
Creates the following files:
- %TEMP%\{129adf75-cc85-02aa-828a-f39752444ce2}\603817j1.exe
Deletes itself.
Network activity:
Connects to:
- 'fe###stats.net':80
TCP:
HTTP POST requests:
- http://ds.download.windowsupdate.com/
UDP:
- DNS ASK fe###stats.net
- DNS ASK ds.download.windowsupdate.com
