Did you just run into a download or a file on your computer that has been digitally signed by LLC "Ayti LAN"? Some of the security products refers to the detected files as Generic.B73 and ADWARE/InstallMon.ZH. The detection rate for the LLC "Ayti LAN" files collected here is 13%. Please read on for more details.
You will probably notice LLC "Ayti LAN" when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the digital signature details for LLC "Ayti LAN" with the following procedure:
Here's a screenshot of a file signed by LLC "Ayti LAN":

As you can see in the screencap above, the Windows OS reports that "This digital signature is OK". This implies that the file has been published by LLC "Ayti LAN" and that the file has not been tampered with.
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, etc. You can also view the address for LLC "Ayti LAN", such as the street name, city and country.
COMODO RSA Code Signing CA has issued the LLC "Ayti LAN" certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the LLC "Ayti LAN" files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 7/54 | nsg4C4C.tmp |
Here is the detection names for the LLC "Ayti LAN" files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic.B73 |
| Avast | Win32:Malware-gen |
| Avira | ADWARE/InstallMon.ZH |
| DrWeb | Trojan.InstallMonster.1300 |
| ESET-NOD32 | a variant of Win32/InstallMonstr.NN potentially unwanted |
| Rising | PE:Malware.Generic(Thunder)!1.A1C4 [F] |
| Zillya | Downloader.Small.Win32.82846 |
The detection percentage is based on the fact that I have gathered 54 scan results for the LLC "Ayti LAN" files. 7 of these scan reports came up with some sort of detection. You can view the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: