Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %WINDIR%\Tasks\services update.job
Malicious functions:
Executes the following:
- '%APPDATA%\winapp\a551de38.exe'
Modifies file system:
Creates the following files:
- C:\Documents and Settings\NetworkService\Application Data\winapp\a440cd27.exe
- %APPDATA%\winapp\client_id
- %APPDATA%\winapp\a551de38.exe
Network activity:
Connects to:
- 'ip.##ysrc.net':80
TCP:
HTTP GET requests:
- http://ip.##ysrc.net/plain/clientip
UDP:
- DNS ASK ip.##ysrc.net
