Zhang Ling - 12% Detection Rate *
Did you just stumble upon a download or a file on your computer that is digitally signed by Zhang Ling? Some of the security products refers to the detected files as Zhangling.BCD and AdWare.Agent. The detection rate for the Zhang Ling files collected here is 12%. Please read on for more details.
You will typically see Zhang Ling when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screencap shows:
You can also view the Zhang Ling certificate with the following steps:
- Open Windows Explorer and locate the Zhang Ling file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here's a screengrab of a file that has been signed by Zhang Ling:
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 Zhang Ling and that the file has not been tampered with.
If you click the View Certificate button shown in the screengrab 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, and so on. You can also examine the address for Zhang Ling, such as the street name, city and country.
WoSign Class 2 Code Signing CA has issued the Zhang Ling certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Zhang Ling Files
The following are the Zhang Ling files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/53 | HpUI.exe |
| 1/54 | WindowsSupportDll32.dll |
| 1/54 | WindowsSupportDll64.dll |
| 7/55 | A0005477.exe |
| 24/55 | SupTab.dll |
| 5/55 | HpUI.exe |
| 3/54 | SEARCH~1.DLL |
| 13/52 | PluginService.exe |
| 12/55 | PluginService.exe |
| 5/55 | WindowsSupportDll64.dll |
| 8/53 | pluginservice.exe |
| 3/49 | pluginservice.exe |
| 11/54 | SupTab.dll |
| 1/53 | HpUI.exe |
| 3/55 | HpUI.exe |
| 12/53 | SupTab.dll |
| 29/55 | SupTab.dll |
| 11/54 | DpInterface32.dll |
| 2/53 | HpUI.exe |
| 8/53 | SEARCH~2.DLL |
| 1/53 | WindowsSupportDll64.dll |
| 5/54 | WindowsSupportDll64.dll |
| 11/54 | RSHP.exe |
| 10/54 | SupTab.dll |
| 1/54 | cfgdrv64.cfg |
| 5/53 | DpInterface64.dll |
| 2/53 | SupTab_v5.8.8.496.exe |
| 5/53 | SpAPPSv32.dll |
Scanner and Detection Names
Here is the detection names for the Zhang Ling files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Zhangling.BCD, Zhang.59F |
| AVware | Trojan.Win32.Generic!BT, Adware.SearchProtect |
| Ad-Aware | Adware.Agent.OFO, Adware.Agent.OEZ |
| Agnitum | Trojan.Click!nhRWJ25Wb1Q, PUA.Agent! |
| AhnLab-V3 | PUP/Win32.Helper, PUP/Win32.SearchProtect, Adware/Win32.Agent |
| AntiVir | APPL/SubTab.spe, ADWARE/Adware.Gen2 |
| Antiy-AVL | Trojan/Win32.SGeneric, GrayWare[AdWare:not-a-virus]/Win64.Agent |
| Avira | APPL/SubTab.spe |
| Baidu-International | Adware.Win32.ELEX.BAV, Adware.Win32.Thinknice.BB, Adware.Win64.Thinknice.bE, Adware.Win32.Elex.40, Adware.Win32.ELEX.bAV, Adware.Win64.Agent.aWE, Adware.Win32.ELEX.BAB, Adware.Win64.Thinknice.BE, Adware.Win32.SupTab.81, Adware.Win64.Agent.ABU, Adware.Win32.Thinknice.bB, PUA.Win32.SupTab.45 |
| BitDefender | Adware.Agent.OFO, Adware.Agent.OEZ |
| ClamAV | Win.Adware.Agent-7965 |
| Comodo | UnclassifiedMalware |
| DrWeb | Trojan.Click3.8536, Adware.Mutabaha.60, Trojan.Click3.8659, Adware.Mutabaha.50 |
| ESET-NOD32 | a variant of Win32/ELEX.AV, Win32/Thinknice.B, Win32/Thinknice.E, a variant of Win32/ELEX.AD, a variant of Win32/ELEX.AB, Win64/Thinknice.E, Win64/Thinknice.B, Win32/Thinknice.C |
| Emsisoft | Adware.Agent.OFO (B), Adware.Agent.OEZ (B) |
| F-Secure | Adware.Agent.OFO, Adware.Agent.OEZ |
| Fortinet | Riskware/Thinknice, Riskware/Elex |
| GData | Adware.Agent.OFO, Adware.Agent.OEZ |
| Ikarus | PUA.SubTab |
| Jiangmin | Adware/Agent.lhu, Adware/Agent.lmz, Adware/Agent.lhn, Adware/Agent.lhs |
| K7AntiVirus | Trojan ( 004a0ac31 ), Trojan ( 0049c9111 ), Trojan ( 004a0af71 ), Unwanted-Program ( 004a8e8b1 ) |
| K7GW | Trojan ( 020000001 ), Trojan ( 0049c9111 ), Unwanted-Program ( 004a8e8b1 ) |
| Kaspersky | not-a-virus:AdWare.Win64.Agent.f |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| Malwarebytes | PUP.Optional.IePluginService.A, PUP.Optional.SupTab.A, PUP.Optional.Skytech.A, PUP.Optional.IEPluginService.A |
| McAfee | Artemis!5E0C29FCD859, Artemis!0BB615800D2D, Artemis!D26EF53AF5C7, Artemis!E718460227E2 |
| McAfee-GW-Edition | Artemis!0BB615800D2D, Artemis!D26EF53AF5C7, Artemis!E718460227E2 |
| MicroWorld-eScan | Adware.Agent.OFO, Adware.Agent.OEZ |
| NANO-Antivirus | Trojan.Win32.Click3.ddmrti, Trojan.Win32.Generic.dbxkeh |
| Panda | Trj/Genetic.gen |
| Qihoo-360 | HEUR/Malware.QVM10.Gen, HEUR/Malware.QVM30.Gen |
| Sophos | Elex, Generic PUA NA |
| Symantec | SearchProtect, Trojan.ADH.2, Trojan.Gen.2 |
| TrendMicro | ADW_AGENT |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0824, Suspicious_GEN.F47V0630, Suspicious_GEN.F47V0718, Suspicious_GEN.F47V0702, ADW_AGENT, Suspicious_GEN.F47V0724 |
| VBA32 | AdWare.Agent, BScope.Trojan-Dropper.Injector |
| VIPRE | Trojan.Win32.Generic!BT, Adware.SearchProtect |
| Zillya | Adware.Agent.Win32.9903 |
| nProtect | Adware.Agent.OFO |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've gathered 2841 scan reports for the Zhang Ling files. 333 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.
Analysis Details
The analysis has been done on certificates with the following serial numbers:
- 07dac38db37e09df8c8634065592dfe3
- 33d813964b450f4902ea98231c8ef97e
- 4bd6cd01962107d32d308240da61e020