Zemana Ltd. - 0.088% Detection Rate *

Did you just stumble upon a file that is digitally signed by Zemana Ltd.? If so, please read on.

You will probably notice Zemana Ltd. when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Zemana Ltd. appears as the verified publisher in the UAC dialog

You can also view the Zemana Ltd. certificate with the following procedure:

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

Here's a screenshot of a file signed by Zemana Ltd.:

Screenshot of the Zemana Ltd. certificate

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Zemana Ltd. 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 see the address for Zemana Ltd., such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA and DigiCert High Assurance Code Signing CA-1 has issued the Zemana Ltd. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.

Zemana Ltd. Files

The following are the Zemana Ltd. files I have gathered, thanks to the FreeFixer users.

The FreeFixer tool treats files from Zemana Ltd. as trusted, which means that the Zemana 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 Zemana Ltd. file(s). My guess is that those detections are false positives and that the files are safe. It is unlikely that Zemana Ltd. would ship a malware file.

Detection RatioFile Name
1/41Ant2F68.dll
1/61Setup.exe
1/56unins000.exe
1/54KeyCrypt32(1).dll
1/55ANTC572.exe
1/54_iu14D2N.tmp
0/57amdrv.sys
0/54zamguard64.sys
0/55KE431A~1.DLL
0/55KE16F2~1.DLL
0/56KE16F2~1.DLL
0/54KE097E~1.DLL
0/57KE16F2~1.DLL
0/55KE4A1D~1.DLL
0/57KE16F2~1.DLL
0/56KE50FD~1.DLL

Scanner and Detection Names

Here is the detection names for the Zemana Ltd. 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 false positives since it is very unlikely that Zemana Ltd. would ship a malware file.

ScannerDetection Names
AegisLabTroj.W32.Gen.mdtH
ByteHeroTrojan.Malware.Obscu.Gen.001
PCToolsApplication.Whitelist
TencentWin32.Trojan.Bp-generic.Ixrn
ZillyaDownloader.MorstarCRTD.Win32.8464

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've collected 6825 scan reports for the Zemana Ltd. files. 6 of these scan reports 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.

Analysis Details

The analysis is based on certificates with the following serial numbers:

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