Yuanyuan Zhang - 11% Detection Rate *
Did you just stumble upon a download or a file on your computer that has been digitally signed by Yuanyuan Zhang? Some of the security products refers to the detected files as BrowserModifier:Win32/Sasquor and not-a-virus:Downloader.YeSearch. The detection rate for the Yuanyuan Zhang files collected here is 11%. Please read on for more details.
You will probably see Yuanyuan Zhang when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view additional details from the Yuanyuan Zhang certificate with the following steps:
- Open up Windows Explorer and locate the Yuanyuan Zhang file
- Right-click the file and select Properties
- Click on the Digital Signatures tab
- Click the View Certificate button
Here is a screenshot of a file that has been signed by Yuanyuan Zhang:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Yuanyuan Zhang and that the file has not been tampered with.
If you click the View Certificate button shown in the screencap above, you can see 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 see the address for Yuanyuan Zhang, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the Yuanyuan Zhang certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Yuanyuan Zhang Files
The following are the Yuanyuan Zhang files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 4/57 | doroghtshejasmoduletask.exe |
| 2/57 | doroghtshejasmoduleservice.html5 |
| 1/55 | QqrCloudtsk.exe |
| 1/55 | bazeryControlsfimukcloele.exe |
| 23/56 | anqbuilderrts.exe |
| 8/50 | rtysystemTsk.exe |
| 2/55 | rtysystemsrv.html5 |
| 2/56 | ArhCnttask.exe |
| 4/54 | kqrvrfsrv.html5 |
| 5/55 | Coerwcultcntdnk.exe |
| 26/57 | coerwcultcntand.exe |
| 2/57 | pijward.exe |
| 2/57 | nekatynufochconfigurationservice.exe |
| 1/57 | nekatynufochconfigurationtask.exe |
| 2/56 | PraoshnodifierTask.exe |
| 1/56 | pecuk.dll |
| 3/54 | rakeryomarymntCtp.exe |
| 7/55 | ChjbuilderCkepity.exe |
| 6/55 | CckServerService.html5 |
| 13/57 | GohghwuersCldcrr.exe |
| 26/58 | cjycrLiterpyprwch.exe |
Scanner and Detection Names
Here's the detection names for the Yuanyuan Zhang files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic_s.IZR, Generic_s.JHV, Generic_r.LSE, Agent |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Application.Downloader.Sasquor.Gen.1 |
| AegisLab | Adwareare.Adware.Lknx!c, Troj.Generickd|2|103!c, AdWare.W32.Agent.mjlV, Troj.Crypt.Xpack!c, Adwareare.Elex.Gen7|2|103!c |
| AhnLab-V3 | Malware/Win32.Generic.N2074008085 |
| Arcabit | Application.Downloader.Sasquor.Gen.1 |
| Avast | Win32:Malware-gen, Win32:Trojan-gen |
| Avira | TR/Obfuscate.kvpc, ADWARE/Adware.lknx, TR/Obfuscate.egyk, ADWARE/Adware.wdom, TR/Obfuscate.cmme, TR/Crypt.Xpack.bea, ADWARE/ELEX.Gen7 |
| Baidu | Win32.Trojan.WisdomEyes.151026.9950.9984 |
| BitDefender | Application.Downloader.Sasquor.Gen.1 |
| CrowdStrike | malicious_confidence_100% (D), malicious_confidence_73% (D) |
| Cyren | W32/S-4ad9e2ff!Eldorado, W32/Trojan.KVHR-3651, W32/S-e2523b53!Eldorado |
| DrWeb | Adware.Mutabaha.1719, Adware.Mutabaha.1660, Adware.Mutabaha.2011 |
| ESET-NOD32 | a variant of Win32/Obfuscated.NGM, a variant of Win32/Obfuscated.NHG, a variant of Win32/Obfuscated.NGI, a variant of Win32/Obfuscated.NHT, a variant of Win32/Obfuscated.NGV |
| F-Prot | W32/S-4ad9e2ff!Eldorado, W32/S-e2523b53!Eldorado |
| F-Secure | Application.Downloader.Sasquor |
| Fortinet | W32/Obfuscated.NHG!tr, W32/Obfuscated.NGI!tr, W32/Obfuscated.NHY!tr |
| GData | Win32.Trojan.Agent.TFUGC0, Win32.Trojan.Agent.HV9NNQ, Application.Downloader.Sasquor.Gen.1, Win32.Trojan.Agent.HCIRCD |
| Ikarus | not-a-virus:Downloader.YeSearch, Trojan.Win32.Obfuscated, BHO.Win32.Sasquor |
| Invincea | virus.win32.sality.at, generic.a |
| K7AntiVirus | Trojan ( 004f5bb51 ), Trojan ( 004f3f001 ), Trojan ( 004f67551 ) |
| K7GW | Trojan ( 004f5bb51 ), Trojan ( 004f3f001 ), Trojan ( 004f67551 ) |
| McAfee | RDN/Generic.grp, Artemis!717941E065F9, Artemis!7EE2C3EA8A35, Artemis!136860AA3E90, RDN/Generic.hbg |
| McAfee-GW-Edition | RDN/Generic.grp, Artemis, RDN/Generic.hbg |
| MicroWorld-eScan | Application.Downloader.Sasquor.Gen.1 |
| Microsoft | BrowserModifier:Win32/Sasquor |
| NANO-Antivirus | Riskware.Win32.ELEX.egaicp |
| Panda | PUP/Winzipper |
| Qihoo-360 | HEUR/QVM10.1.Malware.Gen, HEUR/QVM10.1.0000.Malware.Gen, Win32/Application.Downloader.663, Win32/Trojan.f5d, Win32/Trojan.b9b, Win32/Virus.Adware.c23 |
| Rising | Trojan.Obfuscated!8.4C-hAuoFNMlWZT (Cloud), Trojan.Obfuscated!8.4C-XhngSe1X13B (cloud), Trojan.Obfuscated!8.4C-7jVUg72Q5IT (cloud) |
| Sophos | Mal/Generic-S, Generic PUA BI (PUA) |
| Symantec | Trojan.Gen.2 |
| Tencent | Win32.Adware.Malware.Bmbj, Win32.Adware.Adsoft.Empi |
| TrendMicro | TROJ_GEN.R00XC0EHC16, TROJ_GEN.R00XC0EHP16, TROJ_GEN.R00XC0PIA16 |
| TrendMicro-HouseCall | TROJ_GEN.R00XC0EHC16, TROJ_GEN.R00XC0EHP16, TROJ_GEN.R00XC0PIA16 |
| VBA32 | Malware-Cryptor.InstallCore.5 |
| VIPRE | Trojan.Win32.Generic!BT |
| ViRobot | Trojan.Win32.Z.Obfuscated.415320[h] |
| Yandex | Trojan.Obfuscated!l2K1+lPek/s |
| Zillya | Trojan.Obfuscated.Win32.76986 |
* How the Detection Percentage is Calculated
The detection percentage is based on that I have collected 1276 scan reports for the Yuanyuan Zhang files. 141 of these scan results came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
Analysis Details
The analysis has been done on certificates with the following serial numbers:
- 7e66f70ab6657435621ef2088bc6984d
- 605a22f0c7e647ae0db6b0152c08c963
- 39af476fed40af9b72eaaf28f1856db8
- 1afb61e026a326a39f11b05a1b29535c
- 622fc0cb77eb19e5ccf78e2607d114ca
- 54b747a5c4d08afcf129f6aa85044ce4
- 3a3a89aff66a8328faf38a05f2e334e1
- 54c5415f701b41bccdb4e8ba826fcdc8
- 0bbdc7df3c53f85bb15a5c173b4b743d
- 07a7a48ac29a9c668d9fbaf4ce69d5ce
- 7ec180ab05dc1a97a48a475b5bd4d717
- 415cdf818c7c924dc84f63aa2531d3c8
- 122d9bf9a9cce1b7a8865a56eb7a9862
- 689aaa83181283ce23c39b6101ccb99e
- 60e564b8d1b2e864b3848b840c1dbb39
- 6831c3acd5572d1e1943c3313eb92738