If the file reappears or you noticed other odd behavior (like blank tabs opening in your browser), run a scan with a reputable tool like Malwarebytes Free to ensure it wasn't a malicious tracker. Check for Leftovers:
: If the file is locked, boot your computer into Safe Mode to prevent the associated malware from running, then attempt to delete the file manually. avscanner.ini in c drive
If you delete it and it keeps reappearing, that confirms an active Trend Micro process is running on your machine. If you no longer use Trend Micro products but the file keeps coming back, you likely have a "leftover" service or a portable scanner (like HouseCall) still active. How to Prevent it from Reappearing If the file reappears or you noticed other
Did you notice any or unauthorized account logins right before you found this file? If you no longer use Trend Micro products
: When you uninstall programs, they are notoriously bad at cleaning up configuration files. If you previously uninstalled a third-party antivirus, this file was simply forgotten by the uninstaller. 🛡️ Is it a Virus?
Most software stores its data in the Program Files or AppData folders. However, older or simpler antivirus utilities—often those that run from a portable USB drive or "one-time" scanners—frequently drop a log file or a temporary configuration file directly into the . Common programs that may create this file include: Trend Micro (HouseCall or other standalone tools) Older versions of McAfee Custom security scripts used by IT administrators Is it a virus?