Did you just find a download or a file on your computer that has been digitally signed by Meme Video Ltd? Some of the security products refers to the detected files as Riskware ( 0040eff71 ) and Pua.Pupdate. The detection rate for the Meme Video Ltd files collected here is 50%. Please read on for more details.
You'll probably see Meme Video Ltd when running 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 Meme Video Ltd digital signature with the following steps:
Here is a screenshot of a file digitally signed by Meme Video Ltd:

As you can see in the screenshot above, the Windows OS reports that "This digital signature is OK". This means that the file has been published by Meme Video 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 examine the address for Meme Video Ltd, such as the street name, city and country.
DigiCert EV Code Signing CA (SHA2) has issued the Meme Video Ltd certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Meme Video Ltd files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 30/60 | pupdate.exe |
Here is the detection names for the Meme Video Ltd files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | FileRepMalware |
| AhnLab-V3 | PUP/Win32.Downloader.C3278001 |
| Alibaba | Trojan:Win32/Tasker.50f816fb |
| Antiy-AVL | Trojan[Backdoor]/MSIL.SpyGate |
| Avira | TR/Dldr.Agent.vxbwx |
| CAT-QuickHeal | Trojan.Multi |
| Comodo | Malware@#29xmvgw70p3yq |
| Cyren | W32/Trojan.WZZG-5688 |
| DrWeb | Trojan.MulDrop9.12383 |
| ESET-NOD32 | a variant of MSIL/Somoto.B potentially unwanted |
| F-Secure | Trojan.TR/Dldr.Agent.vxbwx |
| Fortinet | W32/Tasker.GPY!tr |
| GData | Win32.Trojan.Agent.U7ONNU |
| Ikarus | Trojan.Autoruns.GenericKDS |
| K7AntiVirus | Riskware ( 0040eff71 ) |
| K7GW | Riskware ( 0040eff71 ) |
| Malwarebytes | Trojan.Agent.MSIL |
| McAfee | Artemis!B32D83822C09 |
| McAfee-GW-Edition | RDN/Generic.grp |
| MicroWorld-eScan | Trojan.Autoruns.GenericKDS.32027687 |
| Microsoft | BrowserModifier:Win32/DeepSync |
| NANO-Antivirus | Trojan.Win32.Tasker.fqzeya |
| Paloalto | generic.ml |
| Panda | Trj/CI.A |
| Qihoo-360 | Win32/Trojan.418 |
| SentinelOne | DFI - Suspicious PE |
| Sophos | Generic PUA PA (PUA) |
| Symantec | Trojan Horse |
| Tencent | Win32.Trojan.Tasker.Pcin |
| Webroot | Pua.Pupdate |
The detection percentage is based on the fact that I've collected 60 scan reports for the Meme Video Ltd files. 30 of these scan results came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: