Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'By' = '%APPDATA%\By\By.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Update
- Windows Security Center
Executes the following:
- '<SYSTEM32>\msiexec.exe'
Injects code into
the following system processes:
- <SYSTEM32>\msiexec.exe
Modifies file system:
Creates the following files:
- %APPDATA%\By\By.exe
Deletes itself.
Network activity:
Connects to:
- '5.###.183.146':53
- '84.##1.32.108':53
- '18#.#33.72.100':53
- '37.##7.16.17':53
- '31.#.135.232':53
- '19#.#83.98.154':53
- '5.#.49.12':53
- '14#.#6.133.38':53
- '89.#8.27.34':53
- '96.##.175.167':53
- '10#.#38.186.189':53
- '87.##.175.85':53
- '15#.#0.147.153':53
- '13#.#55.78.223':53
- '13#.#55.73.90':53
- '45.##.117.118':53
- '23.#4.5.133':53
- '51.##5.48.78':53
- '62.##3.203.99':53
- '93.##0.96.235':53
- '85.##9.213.210':53
- '18#.#65.200.156':53
- '52.##4.55.168':53
- '62.##3.203.55':53
