Avscanner.ini In — C Drive

: It is generated by local file scanners and third-party antivirus utilities (most notably reported by users after installing or uninstalling Avast ).

However, the lack of an official, definitive explanation from a single, major antivirus company means its presence is often context-dependent, leading to confusion among users.

In the case of , the name suggests it is a configuration file specifically for an antivirus scanning engine. "av" : Antivirus "scanner" : The component that checks files ".ini" : The file format holding instructions

Are you seeing any in your C: drive, or are you trying to completely remove Trend Micro from your system? avscanner.ini in c drive

Older versions of Webroot’s Spy Sweeper antivirus were known to create an avscanner.ini file during installation or after performing a system scan. If you had Spy Sweeper installed years ago and removed it, this could be a leftover.

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file from your root drive will not crash your operating system. Most experts suggest deleting it if you cannot identify its origin, as legitimate modern software rarely stores configuration files directly in the root of the C: drive. Microsoft Learn identify which specific program is recreating the file if it keeps coming back? Deleted the file - Microsoft Q&A 21 Jan 2021 — : It is generated by local file scanners

The file found directly in your C:\ drive is a harmless configuration file typically left behind by antivirus software like Avast or older local security tools.

, which helps the software identify which version or "SKU" was installed. Is it Safe? Legitimate Use

Since this file is , deleting it will not crash your system. However, the consequences depend on the software that created it: "av" : Antivirus "scanner" : The component that

is safe to delete if you no longer use the antivirus software that created it. Because it is a text-based configuration file, removing it will not crash your computer, though it may be recreated if the associated program is still active. Safety Steps: : Right-click the file and select Open with Notepad to see which program created it. : If you are unsure, upload the file to a scanner like VirusTotal for a second opinion.

: If the file reappears immediately after deletion, this is a strong indicator of an active background process or potential virus behavior. ESET Security Forum Is it Safe to Delete? , deleting a standalone

The location of avscanner.ini on the C drive introduces several security considerations. On the positive side, a well-configured file enhances system protection by fine-tuning threat detection. However, from an attacker’s perspective, modifying this file can be a vector for disabling security controls. For example, a malware with administrative privileges could alter avscanner.ini to add the malware’s own directory to the [Exclusions] section or set ActionOnThreat=Ignore . This would effectively blind the antivirus to malicious activity.