Did you just run into a file that is digitally signed by Link64 GmbH? If that's the case, please read on.
You will probably see Link64 GmbH when double-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 the additional details from the Link64 GmbH digital signature with the following procedure:
Here's a screenshot of a file that has been digitally signed by Link64 GmbH:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by Link64 GmbH and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab above, you can view 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 Link64 GmbH, such as the street name, city and country.
Thawte Code Signing CA - G2, thawte SHA256 Code Signing CA and Thawte Code Signing CA has issued the Link64 GmbH certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Link64 GmbH files I have gathered, thanks to the FreeFixer users.
Detection Ratio | File Name |
---|---|
1/48 | link64_plugin.dll |
1/57 | VideoDownloaderUltimate.exe |
2/60 | VideoDownloaderUltimate.exe |
0/57 | VideoDownloaderUltimate.exe |
0/55 | VDU_install.exe |
0/43 | link64_plugin.dll |
0/56 | VideoDownloaderUltimate.exe |
0/54 | VideoDownloaderUltimate.exe |
0/54 | VideoDownloaderUltimate.exe |
0/57 | $RYYX2Z8.exe |
0/57 | VideoDownloaderUltimate.exe |
0/56 | VideoDownloaderUltimate.exe |
Here's the detection names for the Link64 GmbH files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
Scanner | Detection Names |
---|---|
Bkav | HW32.Laneul.ycwu |
Paloalto | generic.pup |
Zillya | Dropper.RamnitCRTD.Win32.8173 |
The detection percentage is based on the fact that I have collected 719 scan results for the Link64 GmbH files. 4 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.
The analysis has been done on certificates with the following serial numbers: