LastPass - 0.111% Detection Rate *

Did you just download a file that is digitally signed by LastPass and wonder if the file is safe? If that's the case, please read on.

You will probably notice LastPass when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the LastPass certificate with the following steps:

1. Open Windows Explorer and locate the LastPass file
2. Right-click the file and select Properties
3. Click the Digital Signatures tab
4. Click the View Certificate button

Here's a screenshot of a file digitally signed by LastPass:

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by LastPass and that the file has not been tampered with.

If you click the View Certificate button shown in the screengrab above, you can see all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also view the address for LastPass, such as the street name, city and country.

UTN-USERFirst-Object and COMODO Code Signing CA 2 has issued the LastPass certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

LastPass Files

These are the LastPass files I have collected, thanks to the FreeFixer users.

The FreeFixer tool treats files from LastPass as safe, which means that the LastPass files will appear with a green background and that there's no removal checkbox for the file. However, as you can see in the scan results below, a few of the anti-virus scanners detects the LastPass file(s). My guess is that those detections are false positives and that the files are safe. It is unlikely that LastPass would ship a malware file.

Scanner and Detection Names

Here's the detection names for the LastPass files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

As mentioned above, I think these detections are incorrect since it is very unlikely that LastPass would ship a malware file.

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've collected 2714 scan reports for the LastPass files. 3 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan results by examining the files listed above.

Analysis Details

The analysis has been done on certificates with the following serial numbers:

• 3f69fba246a764da9dfb76ef43c37679
• 00993db38720b4b3ec5280105e019b511d

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