Update to the latest version. File with name old_chrome can be still detected after update. It caused by Google Chrome update policy which does not remove old versions when installing updates. Try to contact vendor for further delete instructions or ignore such kind of alerts at your own risk.

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Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Write Local Files. Exploitation of vulnerabilities with this impact can lead to writing into some inaccessible files. Files that can be read depends on concrete program errors.

Affected Products

Google Chrome versions earlier than 45.0.2454.99 (all branches)

References

googlechromereleases.blogspot.ru/2015/09/stable-channel-refresh.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+GoogleChromeReleases+(Google+Chrome+Releases)

statistics.securelist.com/

threats.kaspersky.com/en/product/Google-Chrome/