ZAO Nanosoft Publisher Information

Did you just stumble upon a file that is digitally signed by ZAO Nanosoft? If that's the case, please read on.

You will probably see ZAO Nanosoft when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the additional details from the ZAO Nanosoft digital signature with the following steps:

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

Here is a screengrab of a file that has been digitally signed by ZAO Nanosoft:

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

If you click the View Certificate button shown in the screencap 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, etc. You can also view the address for ZAO Nanosoft, such as the street name, city and country.

Thawte Code Signing CA - G2 has issued the ZAO Nanosoft certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.

ZAO Nanosoft Files

These are the ZAO Nanosoft files I have gathered, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the ZAO Nanosoft files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by ZAO Nanosoft.

Analysis Details

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

• 18a3870010de8c76687c32ddfd76843a

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