Did you just run into a download or a file on your computer that has been digitally signed by korea Telecom Directory Co.,LTD.? Some of the security products refers to the detected files as Adware.GenericKD.30559795 and Win32:PUP-gen [PUP]. The detection rate for the korea Telecom Directory Co.,LTD. files collected here is 41%. Please read on for more details.
You will typically see korea Telecom Directory Co.,LTD. when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view the digital signature details for korea Telecom Directory Co.,LTD. with the following procedure:
Here's a screenshot of a file that has been signed by korea Telecom Directory Co.,LTD.:

As you can see in the screengrab above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by korea Telecom Directory Co.,LTD. and that no one has tampered with the file.
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, and so on. You can also examine the address for korea Telecom Directory Co.,LTD., such as the street name, city and country.
COMODO RSA Code Signing CA has issued the korea Telecom Directory Co.,LTD. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the korea Telecom Directory Co.,LTD. files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 41/68 | iSPUpdate_180301_20180323.exe |
| 17/73 | iSuperShortCut.exe |
Here's the detection names for the korea Telecom Directory Co.,LTD. files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.GenericKD.30559795 |
| AVG | Win32:PUP-gen [PUP], Win32:Malware-gen |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.GenericKD.30559795 |
| AegisLab | Hoax.W32.Agent!c |
| Antiy-AVL | Trojan/Win32.TSGeneric |
| Arcabit | Adware.Generic.D1D24E33 |
| Avast | Win32:PUP-gen [PUP], Win32:Malware-gen |
| Avira | HEUR/AGEN.1021182, TR/Agent.278808 |
| BitDefender | Adware.GenericKD.30559795 |
| Bkav | W32.HfsAdware.C824 |
| CAT-QuickHeal | Hoax.Agent |
| Comodo | ApplicUnwnt |
| Cylance | Unsafe |
| Cyren | W32/Trojan.JJFJ-4527 |
| DrWeb | Trojan.Adkor.888, Trojan.Adkor.600 |
| ESET-NOD32 | a variant of Win32/Adware.Kraddare.LV |
| Emsisoft | Adware.GenericKD.30559795 (B) |
| Endgame | malicious (high confidence), malicious (moderate confidence) |
| F-Secure | Adware.GenericKD.30559795, Trojan.TR/Agent.278808 |
| Fortinet | W32/Generic_PUA_LA.LV |
| GData | Win32.Trojan.Agent.66JNXK |
| Ikarus | PUA.Kraddare |
| Invincea | heuristic |
| Jiangmin | Trojan.Scar.iqo |
| K7AntiVirus | Adware ( 004f2b221 ) |
| K7GW | Adware ( 004f2b221 ) |
| Kaspersky | Hoax.Win32.Agent.zdn |
| Malwarebytes | Adware.KorAd |
| McAfee | Artemis!EBBB517608F4, Artemis!397D95630CF7 |
| McAfee-GW-Edition | PUP-XEK-SU!F3453D2B9918, Artemis!Trojan |
| MicroWorld-eScan | Adware.GenericKD.30559795 |
| Microsoft | Trojan:Win32/Vigorf.A, PUA:Win32/iSuperPage |
| NANO-Antivirus | Trojan.Win32.Adkor.ezcxpo |
| Paloalto | generic.ml |
| Panda | Trj/CI.A |
| Sophos | Generic PUA LA (PUA), Mal/Generic-S |
| Symantec | ML.Attribute.HighConfidence, SecurityRisk.gen1 |
| Tencent | Win32.Trojan-psw.Agent.Anpr |
| TrendMicro | TROJ_GE.16A07D07 |
| TrendMicro-HouseCall | TROJ_GE.16A07D07 |
| VBA32 | TScope.Trojan.Delf, Trojan.Adkor |
| VIPRE | Trojan.Win32.Generic!BT |
| ZoneAlarm | Hoax.Win32.Agent.zdn |
The detection percentage is based on the fact that I've gathered 141 scan reports for the korea Telecom Directory Co.,LTD. files. 58 of these scan results came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
The analysis is done on certificates with the following serial numbers: