Update your credentials only after you are certain the infected device is clean or has been wiped.

is a filename frequently associated with the output of malicious credential harvesting tools and "stealer" malware. It is not a standard system file or a legitimate log file used by reputable software. Origin and Purpose

Stop the malware from uploading any further data.

The file is typically generated by automated hacking tools, such as the BLTools multi-tool , which are designed to "check" the validity of stolen account credentials or session cookies. According to analysis reports from Joe Sandbox , this specific file often contains a list of or cookies that have been verified as working.

Log into your critical accounts (Email, Banking, Social Media) from a different, clean device and select "Log out of all other sessions."

It usually stores structured data including the website URL (often social media platforms like Facebook), the session cookie/token, and sometimes the account name.

Are you seeing this file on your or within a specific folder related to a download?

If you encounter this file on your computer, it is a high-confidence indicator of a security compromise: