Did you just run into a file that has a digital signature from Lenovo (Japan) Ltd.? If so, please read on.
You'll typically notice Lenovo (Japan) Ltd. when 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 additional details from the Lenovo (Japan) Ltd. certificate with the following procedure:
Here is a screenshot of a file signed by Lenovo (Japan) Ltd.:
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 Lenovo (Japan) Ltd. and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can examine 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 Lenovo (Japan) Ltd., such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA and VeriSign Class 3 Code Signing 2004 CA has issued the Lenovo (Japan) Ltd. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Lenovo (Japan) Ltd. files I've gathered, thanks to the FreeFixer users.
The FreeFixer tool treats files from Lenovo (Japan) Ltd. as safe, which means that the Lenovo (Japan) Ltd. files will appear with a green background and that there is 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 Lenovo (Japan) Ltd. file(s). My guess is that those detections are false positives and that the files are safe. It is unlikely that Lenovo (Japan) Ltd. would ship a malware file.
Detection Ratio | File Name |
---|---|
0/42 | TPKNRRES.exe |
0/50 | ibmpmsvc.exe |
0/42 | TPOSDSVC.exe |
0/55 | TpShocks.exe |
0/48 | SRORest.exe |
0/43 | TPONSCR.exe |
0/48 | BTVLogEx.DLL |
0/46 | TPHDEXLG64.exe |
0/50 | CamMute.exe |
0/57 | TpShocks.exe |
The detection percentage is based on the fact that I have collected 718 scan reports for the Lenovo (Japan) Ltd. files. 0 of these scan results came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: