Did you just download a file that has a digital signature from Lenovo (Beijing) Limited and wonder if the file is safe? If so, please read on.
You'll typically notice Lenovo (Beijing) Limited when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screencap shows:
You can view the digital signature details for Lenovo (Beijing) Limited with the following procedure:
Here's a screenshot of a file that has been signed by Lenovo (Beijing) Limited:
As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This means that the file has been published by Lenovo (Beijing) Limited and that no one has tampered with the file.
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, and so on. You can also see the address for Lenovo (Beijing) Limited, such as the street name, city and country.
VeriSign Class 3 Code Signing 2009-2 CA, VeriSign Class 3 Code Signing 2010 CA and DigiCert SHA2 Assured ID Code Signing CA has issued the Lenovo (Beijing) Limited certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Lenovo (Beijing) Limited files I've collected, thanks to the FreeFixer users.
The FreeFixer tool treats files from Lenovo (Beijing) Limited as trusted, which means that the Lenovo (Beijing) Limited 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 (Beijing) Limited file(s). My guess is that those detections are incorrect and that the files are safe. It's unlikely that Lenovo (Beijing) Limited would ship a malware file.
Detection Ratio | File Name |
---|---|
1/47 | fbfmon.sys |
1/41 | Apblend.dll |
1/56 | PaperLookingSrv.exe |
1/57 | Apblend.dll |
1/62 | TouchZone.exe |
1/64 | LSBUpdater.exe |
1/65 | LSBUpdater.exe |
0/49 | lhdx64.sys |
0/57 | LenovoRecommends.AppService.exe |
0/47 | IcnOvrly.dll |
0/57 | ccsdk.exe |
0/55 | VfSysLogon.exe |
0/57 | lenovowifihotspotsvr.exe |
0/52 | vfconnectorservice.exe |
0/49 | AcpiVpc.sys |
0/48 | lhdx86.sys |
0/46 | LJYZ.exe |
Here is the detection names for the Lenovo (Beijing) Limited files. I've 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 Lenovo (Beijing) Limited would ship a malware file.
Scanner | Detection Names |
---|---|
Antiy-AVL | Trojan/Win32.Rozena, Trojan/Win32.BTSGeneric, Trojan/Generic.ASMalwS.1AA175A |
Emsisoft | Android.Adware.KyView.A (B) |
Endgame | malicious (moderate confidence) |
Fortinet | Adware/BrowserFox |
Symantec | Suspicious.Insight |
The detection percentage is based on that I have gathered 8991 scan results for the Lenovo (Beijing) Limited files. 7 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: