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.
Miscellaneous:
Searches for the following windows:
- ClassName: 'Class' WindowName: ''
- ClassName: '' WindowName: 'ID GUID'
