CLEVO CO. - 1.2% Detection Rate *

Did you just download a file that is digitally signed by CLEVO CO. and wonder if the file is safe? If so, please read on.

You will typically see CLEVO CO. when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screengrab shows:

Screenshot where CLEVO CO. appears as the verified publisher in the UAC dialog

You can view additional details from the CLEVO CO. certificate with the following steps:

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

Here is a screenshot of a file that has been signed by CLEVO CO.:

Screenshot of the CLEVO CO. certificate

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 CLEVO CO. and that the file has not been tampered with.

If you click the View Certificate button shown in the screenshot 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, etc. You can also examine the address for CLEVO CO., such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA, DigiCert EV Code Signing CA (SHA2) and VeriSign Class 3 Code Signing 2009-2 CA has issued the CLEVO CO. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screengrab above.

CLEVO CO. Files

These are the CLEVO CO. files I've collected, thanks to the FreeFixer users.

Detection RatioFile Name
1/66hotkeyservice.exe
1/68DiskMonitor.exe
0/38PowerBiosServer.exe

Scanner and Detection Names

Here is the detection names for the CLEVO CO. files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
IkarusTrojan.MSIL.LockScreen
ZillyaBackdoor.PePatchCRTD.Win32.10502

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've gathered 172 scan reports for the CLEVO CO. files. 2 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 is done on certificates with the following serial numbers:

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